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Model Forum / Radio Controlled / Air Models / March 2008



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JR 9XII or Futaba 9C Super?

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Robert Roland - 10 Dec 2007 08:23 GMT
I am about to buy a new radio. These two models seem to be about what
I want, but which one do I choose?

I understand there won't be many who have tried both, so my questions
go to those who have either one:

- What do you like about it?

- What do you not like about it?

- Would you recommend it?
Signature

RoRo

GerryGerry - 10 Dec 2007 12:26 GMT
I use the JR PCM 9X (not the 9XII), I have not used the futaba so am not
qualified to give an oppinion on how well it works, but I have held both and
find the JR set to be better ballanced and somehow more 'solid'.

I really like the intuative way in which JR set is programed and hardly ever
have to refer to the manual.

In the end I think you need to go to a store (or you club) and have a good
look (and feel) of both sets side by side and make a personal choice.

>I am about to buy a new radio. These two models seem to be about what
> I want, but which one do I choose?
[quoted text clipped - 7 lines]
>
> - Would you recommend it?
The OTHER Kevin in San Diego - 10 Dec 2007 18:18 GMT
>I use the JR PCM 9X (not the 9XII), I have not used the futaba so am not
>qualified to give an oppinion on how well it works, but I have held both and
[quoted text clipped - 5 lines]
>In the end I think you need to go to a store (or you club) and have a good
>look (and feel) of both sets side by side and make a personal choice.

IMO, you'd be better off with the JR.  I'm a LONG time Futaba guy and
I own a 9CHP, but it's soon to go bye bye and will be replaced with a
JR X9303 rig.  

I love my 9C, but the CCPM mixing is notoriously slow when compared to
the JRs and even the DX7 (Which is basically a  JR 7202 if memory
serves) radio.  My DX7 equipped helis seem more "connected" to the
radio and I don't have the odd CCPM interactions I see with the 9C
sometimes.

Programming the 9C is a bit quirky and the manual SUCKS.  The JR
programming seems a bit more straightforward (I've only played with
the XP9303 my neighbor owns) as well.
The OTHER Kevin in San Diego - 13 Dec 2007 00:45 GMT
Just posted my 9C and a TON of stuff for it (5 receivers etc..)for
sale  in rec.models.rc.helicopter
Tom Ivar Helbekkmo - 16 Dec 2007 13:30 GMT
> Programming the 9C is a bit quirky and the manual SUCKS.

I can't agree about the programming, but yes, the manual sucks. I have
AnnMarie Cross's manual for it, and would say that it's a "must have"
for 9C users.  She explains everything properly, so you understand how
the radio works, and then the programming becomes simple and intuitive.

Download it from <http://www.futaba-rc.com/manuals/manual-9c.html>.

See also <http://www.crosswindseqresq.org/rc-support.html> for
information about the book she went on to write about this radio, which
was published by Traplet. I haven't read it, so I can't comment on it.

-tih
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"I think I understand, but I'm sure I don't." --Schmendrick the Magician

Fubar of The HillPeople - 16 Dec 2007 20:12 GMT
Thanks for the link. Been meaning to look this up for too long a time.

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Dan
AMA605992
KE6ERB
http://www.fubar1.net
"I've heard the screams of the vegetables..."
Take out the "trash" to reply

>
>> Programming the 9C is a bit quirky and the manual SUCKS.
[quoted text clipped - 11 lines]
>
> -tih
Tweek - 16 Dec 2007 20:31 GMT
> Download it from <http://www.futaba-rc.com/manuals/manual-9c.html>.

Thanks for the link, I've downloaded it for my customers. Good stuff!
Dave
eastrc.org
Robert Roland - 19 Dec 2007 20:26 GMT
>IMO, you'd be better off with the JR.

I am starting to lean that way.

>I'm a LONG time Futaba guy and
>I own a 9CHP, but it's soon to go bye bye and will be replaced with a
>JR X9303 rig.  

That raises another big question: Wait for 2.4GHz?

The Euro version of the X9303 (named DSX9) is due in Feb./March. I can
borrow a working radio until then, so waiting is possible if it is
worth it.

I've been googling a bit, and I have (of course) found a lot of
conflicting information. Some say the Euro version will have very low
power, so effective range may be poor. Some say Futaba's 2.4 system is
better, because it can switch frequencies "in flight" and has much
better range.

The Australians already have the DSX9 available, but they have
different regulations and therefore different power levels than the
Europeans. Any Australians who have tried one?

I'd think the balance of the radio would be upset, since the long,
heavy antenna has basically been removed, but the hook has not been
moved.

I could get a 9XII now (with a synthesizer module), and then buy a
2.4GHz module when I decide I want or need one, but then I'd be stuck
with the antenna out the back of the transmitter, which I think I
wouldn't like.

I understand everyone is different, and it essentially boils down to a
matter of personal preference, but I still feel other people's
opinions are valuable, so please comment if you have any thoughts.
Signature

RoRo

Kevin - 19 Dec 2007 20:29 GMT
>> IMO, you'd be better off with the JR.
>
[quoted text clipped - 23 lines]
> heavy antenna has basically been removed, but the hook has not been
> moved.

heavy antenna? I would have though the 2.4 is heavier but shorter
> I could get a 9XII now (with a synthesizer module), and then buy a
> 2.4GHz module when I decide I want or need one, but then I'd be stuck
> with the antenna out the back of the transmitter, which I think I
> wouldn't like.

> I understand everyone is different, and it essentially boils down to a
> matter of personal preference, but I still feel other people's
> opinions are valuable, so please comment if you have any thoughts.
Robert Roland - 24 Dec 2007 12:05 GMT
>> I'd think the balance of the radio would be upset, since the long,
>> heavy antenna has basically been removed, but the hook has not been
>> moved.
>>
>heavy antenna? I would have though the 2.4 is heavier but shorter

I don't know how heavy the 2.4 is, but length makes a big difference
on the balance.

XPS actually sell a product that solves the problem:

http://www.xtremepowersystems.net/proddetail.php?prod=XPS-BALANCER&cat=12
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RoRo

Jim - 23 Dec 2007 12:21 GMT
Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos. If
you love your existing radio, you can upgrade it to 2.4Ghz with their
products. IMHO, they are hands down way better quality than what is put out
by JR, Futaba, etc.

http://www.xtremepowersystems.net/index.php

>>IMO, you'd be better off with the JR.
>
[quoted text clipped - 32 lines]
> matter of personal preference, but I still feel other people's
> opinions are valuable, so please comment if you have any thoughts.
Kevin - 23 Dec 2007 12:45 GMT
> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos. If
> you love your existing radio, you can upgrade it to 2.4Ghz with their
> products. IMHO, they are hands down way better quality than what is put out
> by JR, Futaba, etc.

the only thing that puts me off any of these 2.4ghz systems is being
tied to their brand of RX, and I dont think we will see sub $20 RX's for
any of them
Beav - 23 Mar 2008 13:40 GMT
>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos.
>> If you love your existing radio, you can upgrade it to 2.4Ghz with their
[quoted text clipped - 4 lines]
> to their brand of RX, and I dont think we will see sub $20 RX's for any of
> them

But who'd actually trust a helicopter to a sub $20 rx?

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Beav

VN 750
Zed 1000
OMF# 19

Kevin - 23 Mar 2008 19:10 GMT
>>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos.
>>> If you love your existing radio, you can upgrade it to 2.4Ghz with their
[quoted text clipped - 6 lines]
>
> But who'd actually trust a helicopter to a sub $20 rx?

I dont but then again I dont want a £60 receiver in a 3D park flyer that
bits the dust quite often

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Kevin R
Reply address works

Beav - 23 Mar 2008 23:38 GMT
>>>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers
>>>> combos. If you love your existing radio, you can upgrade it to 2.4Ghz
[quoted text clipped - 9 lines]
> I dont but then again I dont want a £60 receiver in a 3D park flyer that
> bits the dust quite often

If it's a park flyer, I'd want the BEST if only to reduce the chances or
removing the head of some poor f.cker who's using park as the same time I
was.

Mind you, some of the other park users NEED their heads removing.

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Beav

VN 750
Zed 1000
OMF# 19

Kevin - 24 Mar 2008 00:20 GMT
>>>>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers
>>>>> combos. If you love your existing radio, you can upgrade it to 2.4Ghz
[quoted text clipped - 12 lines]
> removing the head of some poor f.cker who's using park as the same time I
> was.
now where's the fun in that
> Mind you, some of the other park users NEED their heads removing.

I have a Zagi with a £12 Synthesized receiver that weighs 10g or so and
never had a glitch at a range that's more than uncomfortable to fly at,
and I use the same in a 300g depron Pitts special at my local field and
I dont see the point of swapping over to 2.4ghz and spending a fortune
changing all my receivers to 2.4ghz to a system that after the Futaba
fiasco is still new and over priced technology ,and if the overall take
up is anything to go by 35mhz can only get better :-)

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Kevin R
Reply address works

Beav - 25 Mar 2008 18:26 GMT
>>>>>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers
>>>>>> combos. If you love your existing radio, you can upgrade it to 2.4Ghz
[quoted text clipped - 22 lines]
> fiasco is still new and over priced technology ,and if the overall take up
> is anything to go by 35mhz can only get better :-)

But Kev, at 300g, it's not a plane, it's an insect :-)

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Beav

VN 750
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Trefor - 25 Mar 2008 19:05 GMT
Ha Ha

The perfect squelch!!

( I wish I had said that :-)  )

Trefor

> But Kev, at 300g, it's not a plane, it's an insect :-)
Kevin - 25 Mar 2008 19:50 GMT
>>>>>>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers
>>>>>>> combos. If you love your existing radio, you can upgrade it to 2.4Ghz
[quoted text clipped - 23 lines]
>
> But Kev, at 300g, it's not a plane, it's an insect :-)

thats why I dont to throw £60 receivers in it its been chase by quite a
few dogs in the past and if you don't get enough height quickly it gets
chomped

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Kevin R
Reply address works

Beav - 29 Mar 2008 12:31 GMT
>>>>>>>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers
>>>>>>>> combos. If you love your existing radio, you can upgrade it to
[quoted text clipped - 27 lines]
> few dogs in the past and if you don't get enough height quickly it gets
> chomped

Yeah, but when you were talking about cheap rx's and helicopters, I thought
you meant helicopters. Personally, I think I'd use thought control on one of
those things.

(and it's "chaseD" YDC).

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Beav

VN 750
Zed 1000
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Kevin - 29 Mar 2008 14:46 GMT
>>>>>>>>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers
>>>>>>>>> combos. If you love your existing radio, you can upgrade it to
[quoted text clipped - 32 lines]
>
> (and it's "chaseD" YDC).

true but its been cross posted to air as well
I must admit not tried any cheap rx in any of my helicopters the thought
of an out of control helicopter feet away frightens me, an out of
control 300gram insect made from depron is not going to maim you in
quite the same way

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Kevin R
Reply address works

Beav - 30 Mar 2008 10:41 GMT
>> Yeah, but when you were talking about cheap rx's and helicopters, I
>> thought you meant helicopters. Personally, I think I'd use thought
[quoted text clipped - 7 lines]
> 300gram insect made from depron is not going to maim you in quite the same
> way

In another place, I would claim a "whoosh" there, but I'll let you off in
favour of a long winded explanation.

I agree with you on the maiming thing though.

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Beav

VN 750
Zed 1000
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H Davis - 23 Dec 2007 18:01 GMT
> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos.
> If you love your existing radio, you can upgrade it to 2.4Ghz with their
> products. IMHO, they are hands down way better quality than what is put
> out by JR, Futaba, etc.
>
> http://www.xtremepowersystems.net/index.php

If a transmitter is converted to 2.4Ghz with a module (from any supplier),
what is the downside relative to buying a dedicated system that will only
operate on 2.4Ghz? Both my Hitec Eclipse and my Futaba 9C accept modules. Is
there something I should know before buying a 2.4Ghz module for either?

Harlan
Jim - 23 Dec 2007 20:25 GMT
Harlan,
My feelings exactly. A dedicated 2.4Ghz radio is just that. BUT, I can buy
an XPS module/receiver combo for $189 and I have 2.4Ghz. If I want to go
back to 72Mhz, I just put the 72 module back in the transmitter and use a
regular receiver. Best of both worlds. The XPS is available for a bunch of
different brands of radios.

>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos.
>> If you love your existing radio, you can upgrade it to 2.4Ghz with their
[quoted text clipped - 9 lines]
>
> Harlan
H Davis - 24 Dec 2007 00:04 GMT
Yes,  Jim, it seems to me that a guy who has "invested" significant bucks in
decent radio equipment, including transmitters, receivers, single channel
modules, synth modules and whatever else would be wise to stay with the
equipment he has and simply add the 2.4Ghz module and receiver for
additional planes. I would hate like heck to buy new receivers for all my
planes when I can still play them on channel 44, for instance, or nay other
channel I've been using with the synth module. I would think it would make
good economic sense.

Harlan

> Harlan,
> My feelings exactly. A dedicated 2.4Ghz radio is just that. BUT, I can buy
[quoted text clipped - 17 lines]
>>
>> Harlan
Kevin - 23 Dec 2007 20:28 GMT
>> Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos.
>> If you love your existing radio, you can upgrade it to 2.4Ghz with their
[quoted text clipped - 9 lines]
>
> Harlan

if you convert a Futaba set with the Spektrum module you loose some of
the unique Spektrum features, but apart from the aerial in the wrong
place it should be more or less the same as a new 2.4ghz set,and it
saves reprogramming the new set, and the 9C 2.4 is not out yet (not sure
if its planned)
Robert Roland - 24 Dec 2007 11:44 GMT
>If a transmitter is converted to 2.4Ghz with a module (from any supplier),
>what is the downside relative to buying a dedicated system that will only
>operate on 2.4Ghz?

As far as I understand from my googling, there can be a difference in
the delay between stick input and servo response. Whether or not this
actually makes a practical difference, I don't know.

In a conventional radio, the computer produces a pulse train (each
channel is one pulse, and they have to be separated by a certain
amount of time) that it sends to the RF module. If you swap the RF
module for a 2.4 one, the new module has to wait for that slow pulse
train before it sends data off in digital packets.

In a native 2.4 system, the computer does not have to create the slow
pulse train at all. It can simply send a fast data stream to the RF
module. This allows for faster response between stick and servo.

The question, of course, is if the manufacturers make use of this
potential advantage. Spektrum claim to do so, but nobody knows if JR's
DSX9 will simply be a 9X with a 2.4 module glued in the back. Since
their marketing does not mention anything about improved speed and
response, that's probably exactly what they have done.

And if that is the case, then the only advantage is, as Kevin says,
that you get the antenna in the right place. Having it stick out the
back of the transmitter cannot possibly be practical.
Signature

RoRo

Jim - 24 Dec 2007 19:42 GMT
These guys do it right! They have taken all of the downsides in question
into consideration when developing their products. They rock!
http://www.xtremepowersystems.net/index.php

>>If a transmitter is converted to 2.4Ghz with a module (from any supplier),
>>what is the downside relative to buying a dedicated system that will only
[quoted text clipped - 23 lines]
> that you get the antenna in the right place. Having it stick out the
> back of the transmitter cannot possibly be practical.
Doug McLaren - 03 Jan 2008 17:53 GMT
| The question, of course, is if the manufacturers make use of this
| potential advantage. Spektrum claim to do so, but nobody knows if JR's
| DSX9 will simply be a 9X with a 2.4 module glued in the back. Since
| their marketing does not mention anything about improved speed and
| response, that's probably exactly what they have done.

The X9303 has the same `digital data path' internally as the DX7 so it
should have the same low latency (and no, I doubt I could tell the
difference) and it supports ModelMatch and such, so I'd expect any new
radios to from JR to work the same way.

http://www.jrradios.com/Articles/Article.aspx?ArticleID=1667

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Doug McLaren, dougmc@frenzied.us
Happiness is just an illusion, filled with sadness and confusion.

Doug McLaren - 03 Jan 2008 17:32 GMT
| If a transmitter is converted to 2.4Ghz with a module (from any supplier),
| what is the downside relative to buying a dedicated system that will only
| operate on 2.4Ghz?

The DX7 and X9303 have a `model match' feature that lets you tie a RX
to a specific model number in your TX (perhaps I have the specifics on
how they do it wrong, but the end result is correct) so that your
plane won't turn on unless you've chosen the correct model number on
the transmitter.  The circuitry isn't there to let you do this with an
add-on module.

The 2.4 GHz stuff could be more carefully integrated than this in the
future (for example, two way communication, having some telemetry
display on your TX display), but for now I think that's the only thing
missing.
Signature

Doug McLaren, dougmc@frenzied.us
Happiness is just an illusion, filled with sadness and confusion.

H Davis - 03 Jan 2008 19:20 GMT
Yeah, Doug, that is a significant downside to the add-ons. But we deal with
that currently, and, so far, successfully. However, that would be the one
thing that might move me to a dedicated 2.4 GHz system.

Harlan

> The DX7 and X9303 have a `model match' feature that lets you tie a RX
> to a specific model number in your TX (perhaps I have the specifics on
[quoted text clipped - 7 lines]
> display on your TX display), but for now I think that's the only thing
> missing.
Robert Roland - 24 Dec 2007 12:44 GMT
>Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos.

Thanks. I have browsed a little on their pages now, but I cannot find
any information about anything that deals with the world outside USA.
No dealers and no information about where in the world their products
are legal to use. They seem to only care about the American market.

The lifetime warranty is confidence inspiring, but when they decide to
copyright the use of blue circuit boards and blinking LEDs, they have
obviously lost grip on reality.

>If
>you love your existing radio, you can upgrade it to 2.4Ghz with their
>products.

I need a new radio anyway, but I am still considering the option to
get a synthesized conventional radio, and then possibly add 2.4 later
if I want to. In that case, XPS gives me an alternative (provided they
are legal here) to the factory system, which is nice to know.
Signature

RoRo

Ed Forsythe - 25 Dec 2007 04:46 GMT
Graupner is the XPS distributor in Europe. I'm sure Jim Drew (XPS) will
respond to an email concerning availability in other parts of the world.

>>Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos.
>
[quoted text clipped - 15 lines]
> if I want to. In that case, XPS gives me an alternative (provided they
> are legal here) to the factory system, which is nice to know.
Jim - 27 Dec 2007 02:42 GMT
I'm sure Jim will take care of it.

> Graupner is the XPS distributor in Europe. I'm sure Jim Drew (XPS) will
> respond to an email concerning availability in other parts of the world.
[quoted text clipped - 18 lines]
>> if I want to. In that case, XPS gives me an alternative (provided they
>> are legal here) to the factory system, which is nice to know.
SB - 01 Jan 2008 16:41 GMT
I've owned both and still do, and they both are very good sets for the
money. The main  reason I've swopped to the JR set are as follows.

Both are easy to program once you get used to how they do it.

Jr has 7 point pitch and throttle curves. Futaba only 5.
The ability to have seperate trims on Throttle Hold on JR. (Futaba
defaults to "Normal Curve" settings when in Throttle hold.

Things I miss from the Futaba
Throttle Governors were a doddle to set up especially the GV1. It was
possible to set the tranny up so 40% = 1400rpm, 50% = 1500, 60% = 1600,
65% = 1650 etc etc.

The timers were more flexible on Futaba. ie. it could start the timer
above a certain throttle position.

There were other things but I cant remember them right now.
Doug McLaren - 03 Jan 2008 17:27 GMT
| Take a look at the Extreme Power Systmes 2.4Ghz modules/receivers combos. If
| you love your existing radio, you can upgrade it to 2.4Ghz with their
| products. IMHO, they are hands down way better quality than what is put out
| by JR, Futaba, etc.

Why do you say their quality is better?

Signature

Doug McLaren, dougmc@frenzied.us                                 Darn Tootin'!

The OTHER Kevin in San Diego - 02 Jan 2008 18:38 GMT
>That raises another big question: Wait for 2.4GHz?
>
>The Euro version of the X9303 (named DSX9) is due in Feb./March. I can
>borrow a working radio until then, so waiting is possible if it is
>worth it.

I think it's going to be the way to go which is why I've switched.  I
got my X9303 a week or so before Christmas.  Nice radio and the
resolution made for some interesting test hops.  Subtrim resolution is
double that of both my 9C and my DX7.  Programming is very
straightforward for anyone with a bit of computer Tx time under their
belt and the scroll gizmo is very fast so dialing up values takes no
time at all.

>I've been googling a bit, and I have (of course) found a lot of
>conflicting information. Some say the Euro version will have very low
>power, so effective range may be poor. Some say Futaba's 2.4 system is
>better, because it can switch frequencies "in flight" and has much
>better range.

I've heard Euro power levels will be less than those here in the
States as well.  I received my X9303 a few days before Christmas and
go a couple helis set up on it already.  Nice radio, pretty easy to
program, but it's got a few TINY issues that JR could have addressed
better, but nothing show stopping.  (Mainly the fact that you can't
use the GYRO SENS features with a 6ch Rx as the Tx only recognizes
AUX2 for the gain control and not GEAR *and* AUX2 like the DX7 does -
easy enough to work around by using end points to set the gain)

>I'd think the balance of the radio would be upset, since the long,
>heavy antenna has basically been removed, but the hook has not been
>moved.

Yes, the balance, like the DX7, sucks.  It's "Bottom Heavy" and when
using a neckstrap, I find myself having to hold the radio "flat" when
I fly.  G-force makes a bracket you can buy to move the strap
attachment point below the power switch to get the balance point
correct again, but a couple Helifreak.com users (Fireup and
machinegun) make them too.  I like fireup's because it doesn't
interfere with the power switch.

>I could get a 9XII now (with a synthesizer module), and then buy a
>2.4GHz module when I decide I want or need one, but then I'd be stuck
>with the antenna out the back of the transmitter, which I think I
>wouldn't like.

I was going to go that way with my 9C, but had the same concerns.  My
9C and all it's accessories/receivers are now for sale.
Ted - 11 Dec 2007 19:30 GMT
> I am about to buy a new radio. These two models seem to be about what
> I want, but which one do I choose?
[quoted text clipped - 9 lines]
> --
> RoRo

I have had both Futaba and JR. I just plain don't like JR. I have the
Super 9C and love it. It does everything I could ask for. I don't do
Heli's so can't comment on other postings. If the 9C has one fault its
in the number of mixes. It only has five and I have a twin engine
where I needed six. No matter, I worked around it and only used three.
I have the model with 18 memories and that is overkill as I only have
about six or seven flyable planes at one time. If you go with the 9C I
recommend you buy Harry Quiqley's book on programming. You can get it
on Amazon. It is idiot proof and much easier to understand than the
manual. Don't know if there are any other books like for the JR. JMHO.

Ted
Trefor - 11 Dec 2007 21:13 GMT
I expect you mean Harry Higley ?

Trefor

If you go with the 9C I
> recommend you buy Harry Quiqley's book on programming. You can get it
> on Amazon. It is idiot proof and much easier to understand than the
> manual. Don't know if there are any other books like for the JR. JMHO.
>
> Ted
Ed Forsythe - 13 Dec 2007 16:54 GMT
Hi Ted,
Both JR and Futaba make excellent radios but I'm curious as to why you
"...just plain don't like JR." Could you give us some reasons? BTW, I'm a JR
fan because I prefer the way my JR radios feel in my hands and the
comparative ease of programming. Currently using a JR 9303.

>> I am about to buy a new radio. These two models seem to be about what
>> I want, but which one do I choose?
[quoted text clipped - 22 lines]
>
> Ted
H Davis - 14 Dec 2007 05:02 GMT
Ed:

I would guess that for the same reasons you like the JR, Ted likes the
Futaba. People sense things differently and see things differently. What you
feel makes the JR easy to program for you may be the very things that Ted
doesn't like about it. Besides, once you get comfortable with  apiece of
equipment, its sometimes difficult to get comfortable with another similar
piece of equipment.

Harlan

> Hi Ted,
> Both JR and Futaba make excellent radios but I'm curious as to why you
[quoted text clipped - 28 lines]
>>
>> Ted
Beav - 21 Dec 2007 15:07 GMT
> Hi Ted,
> Both JR and Futaba make excellent radios but I'm curious as to why you
> "...just plain don't like JR." Could you give us some reasons? BTW, I'm a
> JR fan because I prefer the way my JR radios feel in my hands and the
> comparative ease of programming. Currently using a JR 9303.

And after years (and I mean YEARS) of using both JR and Futaba, (along with
every other make that's been available) I prefer the reliability of JR, the
feel of JR and the programmability of JR. I only ever use my Futaba gear on
sims these days.

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Beav

VN 750
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OMF# 19

Beav - 21 Dec 2007 15:11 GMT
>> I am about to buy a new radio. These two models seem to be about what
>> I want, but which one do I choose?
[quoted text clipped - 3 lines]
>>
>> - What do you like about it?

JR = reliability, easy programming and stick feel. Futaba don't even come
close in ANY of the above. Well not anymore. They USED to, but they lost the
plot somewhere.

>> - What do you not like about it?

Futaba.. Too "fiddly" and totally unintuitive on the programming front. The
sticks have more "spring" the further you go away from the centre position
and they lack reliability.

>> - Would you recommend it?

I'd recommend JR every time.

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Beav

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OMF# 19

Steve R - 22 Dec 2007 21:05 GMT
Just a couple of comments to express the other side of the coin (IE: my
opinion!) with no intent to put down or insult anyone else........

>>> I am about to buy a new radio. These two models seem to be about what
>>> I want, but which one do I choose?
[quoted text clipped - 7 lines]
> close in ANY of the above. Well not anymore. They USED to, but they lost
> the plot somewhere.

With over 25 years of RC under my belt, flying helicopters "almost"
exclusively, I've not found that either JR or Futaba have any significant
reliability advantages over the other.  I've met "many" people through the
years that have deserted JR for Futaba because of perceived reliability
issues.  I've also seen "many" go from Futaba to JR for the same reasons.
Overall, I can't see that either one has an issue.  Both have had problems
with receivers and/or servos when they were relatively new to the market.
Both took steps to correct these issues.  Long story short, you can't really
go wrong with either one.

On the programming side, I don't have a lot of experience with the 9303,
although I do have some, but I do have quite a bit of experience with the 9C
so I can't really comment on how they stack up against each other.  I have
had quite a bit of experience with the 10 series JR radios vs the Futaba 9Z.
Based on that, I'd have to agree that the JR is more intuative to program in
the beginning than the Futaba is.  The opposite side of that coin is that,
once learned, the Futaba is a much more capable system, offering a lot more
flexibility than the JR program offered.  Whether or not that applies to the
radios at the 9303/9C level, I can't say from personal experience.  I only
bring it up because JR fans "always" use the "ease of programming" argument
against Futaba and my experience has me believing it's not as big an issue
as some claim.  Again, JMO!  :-)

> Futaba.. The sticks have more "spring" the further you go away from the
> centre position and they lack reliability.

I can't argue with the spring pressure point.  Futaba does tend to spring
their control sticks a bit tighter than JR does.  Is that a bad thing?  I
don't think so.  It's just a matter of personal preference.  I've flown
Futaba equipment almost exclusively since I've been flying RC and I'm used
to how their radios feel.  To me, JR offers very little feel or feed back to
my control inputs.  In other words, they're sprung too light!  I bought a
new 12Z last spring and love it but I thought the sticks were sprung too
lightly out of the box on that radio too.  I tightened them up a bit.  As I
said, it's a matter of personal preference.

I curious Beav, that reliability issues have you had with Futaba that would
make you say they have a reliability problem?  As I said, I've been flying
them almost exclusively for over 25 years and yes, I've had an occasional
servo failure and maybe a receiver failure (unable to confirm that as an
absolute but suspected) through the years.  I know a number of devout JR
pilots and they haven't done any better as far as I can tell.  I don't care
what system you fly, sooner or later you'll have a failure one way or the
other.  Just wondering!  :-)

>>> - Would you recommend it?
>
> I'd recommend JR every time.

I fly Futaba and as such, tend to recommend Futaba over other brands but
I've never discouraged anyone from buying JR equipement if they were
seriously looking at them.  Both are first class radio systems as far as I'm
concerned!  In fact, these are the only two manufacturers I will recommend.
I simply haven't seen enough of anyone elses radio (Airtronics comes to
mind) to even consider them in the running!

Fly Safe,
Steve R.
Kevin - 23 Dec 2007 02:25 GMT
> Just a couple of comments to express the other side of the coin (IE: my
> opinion!) with no intent to put down or insult anyone else........
[quoted text clipped - 54 lines]
> what system you fly, sooner or later you'll have a failure one way or the
> other.  Just wondering!  :-)

I dont remember a Futaba failure in any of my crashes, brain failure yes
and two times I have lost a model due to radio failure both were
possibly due to crystal failure but hard to prove but the crystals never
worked after the crash
>>>> - Would you recommend it?
>> I'd recommend JR every time.
[quoted text clipped - 8 lines]
> Fly Safe,
> Steve R.
Steve R - 23 Dec 2007 04:00 GMT
>> I curious Beav, that reliability issues have you had with Futaba that
>> would make you say they have a reliability problem?  As I said, I've been
[quoted text clipped - 9 lines]
> due to crystal failure but hard to prove but the crystals never worked
> after the crash.

Interesting!  It's certainly possible for a crystal to be damaged in a crash
which would make it impossible to know if it failed before that.  Back when
I flew fixed frequency systems, I don't remember Futaba routinely replacing
the crystals during an inspect and repair when I sent the radio system in.
That doesn't mean they didn't, it's just that it's been so long, I don't
really remember.

I bought my original 9Z back around 1994 or 1995.  I bought the synthesized
version and to my knowledge, have never had a problem with the transmitter
or receiver.  I did have one crash with it during the 12 years I flew it
before buying my 12Z this year that might have been a receiver failure but I
can't know for sure.  It may have been a legitimate interferrance and the
system simply went into hold mode.  I'll never know for sure as most of the
flight control systems were toast after the impact and replaced with new
equipment.

FWIW!  :-)

Fly Safe,
Steve R.
Kevin - 23 Dec 2007 10:25 GMT
>>> I curious Beav, that reliability issues have you had with Futaba that
>>> would make you say they have a reliability problem?  As I said, I've been
[quoted text clipped - 30 lines]
> Fly Safe,
> Steve R.

I have crashed a few models but those two where I lost control the gear
never worked afterwards until the crystals were replaced and I flew the
gear again after wards, but I could have been shot down or I damaged
them on previous "arrivals" I have never had a TX break apart from me
snapping switches/aerials off and never had a RX fail apart from some
really hard arrivals that re-kitted the models
Phil Olson - 03 Jan 2008 11:44 GMT
There is very little difference between the two makes.  Both have there
good and bad points and both sets of manuals leave something to be
desired.

The only downside of the JR radio is the lack of a timer operated by the
throttle stick, but most people would not use that anyway.

I have the opportunity to fly both regularly and have no preference.

Signature

Phil Olson

Model Technics Ltd
Http://www.modeltechnics.com

Doug McLaren - 03 Jan 2008 18:02 GMT
| The only downside of the JR radio is the lack of a timer operated by the
| throttle stick, but most people would not use that anyway.

It's more commonly used than you might think.  For example, it's
useful on an electric glider to have an idea of how much battery
you've used (and therefore how much you have left.)  Or comparing it
to your flight timer gives you an idea of how good you've been at
finding lift, as opposed to cheating and using the motor.

Or if it's a standard helicopter/plane, it tells you how long you've
actually been flying, as opposed to fiddling around on the ground.
You could get around this by just tying the second timer to a button
that you hit when you start flying, of course.

(I don't know anything about the 9XII having or not having this
capability, I'm just saying that it's not that uncommonly to use it.)

Signature

Doug McLaren, dougmc@frenzied.us
"Can of worms? The can is open... the worms are everywhere."

Jim - 23 Dec 2007 12:36 GMT
Although I prefer Futaba, I had a run of bad luck with their 127DF receivers
a few years back. Switched to Hitec receivers and never had another problem.
The 'entry level' 127DF, I agree, is NOT very reliable.

> Just a couple of comments to express the other side of the coin (IE: my
> opinion!) with no intent to put down or insult anyone else........
[quoted text clipped - 69 lines]
> Fly Safe,
> Steve R.
Jim - 23 Dec 2007 12:34 GMT
Funny about preferences. I had a JR a while back. Couldn't stand it. The
programming was so much more difficult that my Futaba 9C.

>>> I am about to buy a new radio. These two models seem to be about what
>>> I want, but which one do I choose?
[quoted text clipped - 17 lines]
>
> I'd recommend JR every time.
 
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