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Model Forum / Radio Controlled / Land Models / January 2006



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Gear Ratios

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ubu760 - 24 Jan 2006 04:42 GMT
If I wanted to get my Savage to hook up and do wheelies what would be
the best gear ratio of the Clutch Bell and the Spur Gear to use?

Now what if I wanted speed?
DanTXD - 24 Jan 2006 15:10 GMT
> If I wanted to get my Savage to hook up and do wheelies what would be
> the best gear ratio of the Clutch Bell and the Spur Gear to use?
>
> Now what if I wanted speed?

The smaller the clutchbell and the bigger the spur, the faster the
acceleration - urgo the more wheelies.  The larger the bell and the smaller
the spur, the more top end and the less acceleration.  Think about it like a
peddle bike :)  What engine are you running?  The S25 should just about
wheelie on 15/49, it should deffo do it on 15/52.  My K4.6 would wheelie on
16/48 - but i've richened the bottom end and have supersoft suspension to
stop it - wheelies are something everyone should play with for a bit, cos
they are fun - but they do get boring quiet quickly - especially if you're
trying to drag race ;)  Another thing that affects them more than you'd
think is the stiffness of the back suspension - the stiffer it is the more
likely to are to get wheelies.

Signature

Dan

ubu760 - 24 Jan 2006 19:19 GMT
Thanks For the info
nospam@noway.com - 25 Jan 2006 00:10 GMT
> Thanks For the info

My truck has the S-25 motor, 15/49 gearing (stock), Motorsaver air filter,
HPI polished pipe and Dirt Bonz Tires.  I also have a ton of aluminum parts
and it weighs much more than a stock Savage RTR.  It will flip itself over
on it's lid every time you mash the throttle and will run controlled
wheelies into third gear.  I was playing this weekend and was popping
forward wheelies, then hitting the brakes and doing an endo, then back on
the gas for another wheelie........I walked it accross my backyard like
that, pretty fun.

If you're running the stock tires that came with the S-25, lose them quick!
They are very, very heavy and kill your take off as well as handling.  If
you go with the Bonz or a similar tire the increase in bottom end and
handling will be HUGE.  If you're running the stock composite pipe lose it
as well and go with HPI ribbed (loud) or HPI Polished.  Both are cheap and
both have lots of bottom end and great top end as well.

After switching tires and pipes if you're still not wheelie-ing, it's a
tuning issue and not a gearing issue.  Those who state "an S-25 won't
wheelie" (and there are lots of them) just don't know how to tune correctly.

Doc
DanTXD - 25 Jan 2006 02:52 GMT
>> Thanks For the info
>
[quoted text clipped - 19 lines]
> wheelie" (and there are lots of them) just don't know how to tune
> correctly.

Yea he's right - i've seen an S25 pop wheelies on stock pipe and
wheels/tyres so on the better bits they should do it easy.

Signature

Dan

ubu760 - 25 Jan 2006 04:33 GMT
I am running the S25 engine - stock pipe and stock tires.  Can I just
buy the HPI Dirt Bonz tires and they will fit the stock rims or do I
need to buy new rims also?  Are the ribbed pipes louder or quiter?  Or
does the pipe just help with performance?  I like the sound it has with
the stock pipe.  It sounds tough.
nospam@noway.com - 25 Jan 2006 05:00 GMT
>I am running the S25 engine - stock pipe and stock tires.  Can I just
> buy the HPI Dirt Bonz tires and they will fit the stock rims or do I
> need to buy new rims also?  Are the ribbed pipes louder or quiter?  Or
> does the pipe just help with performance?  I like the sound it has with
> the stock pipe.  It sounds tough.

The bonz will fit the stock tires, but you'll have to cut the old ones off
and then glue the bonz to them.  You'd be better off just buying the tires
and wheels new and assembling.  It's nice to have the stockers around as a
set for mud bogging and huge jumping as the Bonz are more of a dry traction
tire and don't have as much "smoosh" as the stockers.

I can make some recommendations if you're interested.  There's one guy I buy
off of on E-Bay alot and he has awesome low prices.  The ribbed pipe is MUCH
louder than stock, the polished pipe is a wee bit quieter.  The sound is
pretty much the same with all the pipes (composite, ribbed, polished), just
the volume level is different.  The pipes definitely help with peformance.
Even though the polished pipe is quieter than stock, it still drowns out
anything else I run with.

Doc
ubu760 - 26 Jan 2006 03:59 GMT
What is the e-bay sellers user name or store name?
nospam@noway.com - 27 Jan 2006 03:26 GMT
> What is the e-bay sellers user name or store name?

The sellers name is nitronutzz and his store is located here:

http://stores.ebay.com/NITRONUTZZ

I get just about all of my Savage stuff from him as his prices are great and
shipping is insanely fast.  He basically parts out new Savage kits, so most
of the stuff he has is OEM and a great source for replacement parts/repair
parts, etc.

Tower sells the Bonz for about $25 a pair; he sells a set of four for the
same price.  He also has the 4.6 wheels for a great price.

Doc
Dre - 27 Jan 2006 04:00 GMT
> > What is the e-bay sellers user name or store name?
>
[quoted text clipped - 11 lines]
>
> Doc

Hey, I've gotten a crap load of stuff from him :)

Small world eh?  (not with the internet!)

Cheers Dre

btw, KANED my Inferno around on Oz day yesterday, I had forgotten how a)
loud it is at wot and b) how bloody fast the thing is!  would absolutely
SNOT the Savage :)
DanTXD - 27 Jan 2006 12:49 GMT
>> > What is the e-bay sellers user name or store name?
>>
[quoted text clipped - 24 lines]
> loud it is at wot and b) how bloody fast the thing is!  would absolutely
> SNOT the Savage :)

I bet my Sav could take it ;)
Dre - 29 Jan 2006 22:31 GMT
> >> > What is the e-bay sellers user name or store name?
> >>
[quoted text clipped - 26 lines]
>
> I bet my Sav could take it ;)

You reckon?!?!  It leaves mine for dead :)

Cheers Dre
DanTXD - 30 Jan 2006 01:14 GMT
>> >> > What is the e-bay sellers user name or store name?
>> >>
[quoted text clipped - 32 lines]
>>
> You reckon?!?!  It leaves mine for dead :)

My macho banter says it can - and cos we'll never get to race - i can be
100% i'm right ;-)  Hehehe!

Signature

Dan

Dre - 30 Jan 2006 02:43 GMT
> >> >> > What is the e-bay sellers user name or store name?
> >> >>
[quoted text clipped - 35 lines]
> My macho banter says it can - and cos we'll never get to race - i can be
> 100% i'm right ;-)  Hehehe!

LOL, in that case my savage would EAT yours alive, LOL :)  (in first :P)

Cheers Dre
nospam@noway.com - 30 Jan 2006 03:55 GMT
> LOL, in that case my savage would EAT yours alive, LOL :)  (in first :P)
>
> Cheers Dre

You both suck..................my Mayhem would eat both of your Savages,
buggies and whatever the hell else you own and shite out little fried r/c
bits in it's exhaust!   Bwahahahahaha!  Mwuahahahaha!

Actually, the ol' Mayhem is grounded for the time being.  Lunched a landing
and snapped the front bumper braces this PM, and Horizon is all sold out
(backordered until April, WTF?).  My only hope is the not-so-local hobby
shop I'm gunna call tomorrow.  It's a bit of a hike but if he's got em'
it'll be worth the drive.  I can drive it with the broken braces but w/o the
added support on the front bumper if I hit something hard I'll torch the
shock tower and front end pretty badly..........

Installed a Hobbico CS-64 on the throttle/brake this PM as well and MAN what
a difference compared to the JR Z590M I had on there.  The specs are
identical but the Hobbico is at least twice as fast and twice as powerful.
I'm really not too impressed with JR radios or servos at this point; does
anyone have any good things to say about them?

Doc
Dre - 30 Jan 2006 04:27 GMT
> > LOL, in that case my savage would EAT yours alive, LOL :)  (in first :P)
> >
[quoted text clipped - 19 lines]
>
> Doc

Hehehehehe, you just wait till I get my Mini Inferno onto your 1/8th
scales!!!! <evil grin :)>

Re the JR stuff, never used it myself so no comment (hope that helps,
hehehe, not! :)

Cheers Dre
ubu760 - 27 Jan 2006 13:50 GMT
Funny  --  My friend just bought a revo servo from him (10.00) the same
servo at towerhobbies was 24.00.

Thanks for the lead
 
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