Here's a shot of the rudder...Pretty basic. I will be making my ow
modified ones in the future that are just a single skeg...
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Here's a picture of what I thought I would do....Somehow mount the serv
here (tape, CA, epoxy...??) and have a small pushrod going straight t
a homemade "horn" somehow attached to the rudder shaft. Any ideas o
suggestions? Harry sent me some pics of what he has done on a coupl
of his boats and it's pretty much what I was thinking, but if anyon
else has some different options, please throw them out. One of m
objectives is to be able to easily replace the rudder when it breaks
and be able to do the same little mod to future rudders (mounting som
sort of horn to the shaft) without too much trouble...
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William A - 23 Dec 2003 01:51 GMT
> *(tape, CA, epoxy...??)*Shoe-Goo.
Personally, I'd stick with the original rudder design.
Looking at it's shape/design, it definitely plays a role in keeping i
'stuck' to the surface.
I also think that the 'brass tube inside another brass tube' (lube
with petroleum jelly) is about your only route.
A horn could be made from a set collar and thin brass sheeting.
What is the rudder made from ?, plastic ?.
Could you fab another from thin brass ?
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William A - Member Senio
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William A - 23 Dec 2003 01:53 GMT
Wow, almost word for word.
Umi, are you my long lost, forgotten twin
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William A - Member Senio
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tenover - 23 Dec 2003 02:20 GMT
Yeah, the rudder is just plastic, so I guess I could shape a rudder fro
thin brass or aluminum and solder it to a brass post. Thanks for th
suggestons about using a brass horn, collar, and set screw to attac
it.....Sounds easy enough
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tenover - Certified Slopehea
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harry m. - 23 Dec 2003 02:40 GMT
I think someone is close by putting brass tubing around shaft and the
another size bigger and so on and then solder the inner pieces togethe
and use heavy grease around shaft and being you're in a warm climate
the thickness of grease won't have a negative effect. Like someon
mentioned to put a collar around brass shaft and put a flat spot s
shaft can only go so far and the n put a collar on the bottom too. Se
screw will go in flat area of which you know. I think this will be th
best system and won't freeze up on you. The wire or what you are goin
to use from servo arm to rudder arm better not be to heavy or stron
cause you need some flex and will keep things from binding
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harry m
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harry m. - 23 Dec 2003 02:48 GMT
RETIRE
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harry m
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JoeR - 23 Dec 2003 03:40 GMT
tenover, do you know what brushless setups people are using? What ar
you going to put in yours? I think your surfer is a little smalle
then the Kyosho, correct?
Harry- Brushless motors- My point of reference is with RC helicopters.
I know many people using a Mega 16/15/3 in place of a 540 brushed ca
motor in smaller RC helicopters. They are not that expensive, $80 fo
the motor. If it will work. Not sure why it would not. This Mega ha
a 3000 rpm/volt rating. I have seen somewhere people mentioning ca
motors with similar rpm/volt ratings for the "dude". I have
Kontronic 400/28 that is about the same size as the Mega 16/15/3 bu
has a 2800 rpm/volt rating.
Any idea what the rpm/volt of the Chameleon you mention? How man
cells does it take to get the 33,000 rpm?
Not sure about the interference issue. My radio is an AM version.
brushless motors do not have near as much problems with generatin
interference as brushed motors in my experience.
I will have to check with Castle Creations on these issues. Hopefull
one of their controllers will work.
Its winter here in Michigan so I have some time to figure it all out
Though yesterday and today almost reached 40 with some good wind.
Perhaps I should have given it a try.
Thanks, jo
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Joe
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harry m. - 23 Dec 2003 07:53 GMT
You know , it sounds like you're giving me **** ! You are mixing apple
and oranges! Helicopters and boats are two different stories! Boat
are harder on motors than anything else! What do you mean brushless ar
cheaper than; you forget the controller for brushless from castle is i
the range of $150.00 for at least a 80 amp unit. Maybe the $80.00 Meg
is too small. I was only trying to help this gentleman and at first h
did not mention surfer but wanted to know how to make a rudder an
linkage but that was all. Nothing was mentioned other than that. I
sounds like you are trying to belittle a senior citizen and sure sound
like it and like my post ahead of this said--- RETIRED. I think tha
is enough said and i want no more. I didn't profess to be an expert an
all further messages will be deleted. I have my own fleet and will kee
info i know to myself cause am self taught and know what works and no
works and you go figure you're own like i did!! Good -bye!
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harry m
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JoeR - 23 Dec 2003 12:38 GMT
Harry- I had no intentions of offending. Please accept my appologies if
I did. All I was doing is looking for information. I know nothing
about boats and am just trying to learn.
You offered information that no one else did so I thank you for that.
I was just trying to probe a little deeper.
As I said my point of reference are helicopters which are known for
being hard on equipment also. They require full time 100% throttle or
very close to it. The one thing they have over boats is a easier time
getting cooling (I think anyway). People have been mounting fans under
the canopy or cutting holes to allow the rotor wash to circulate
I know CC sells a Marine controller that is rated to 80 amps but is 80
amps required when using 6 cells packs? I was hoping that I could get
away with a smaller one. As I said I do not know anything about
boats.
I will start a different thread now rather than continue to take up
space with info unrelated to Tenover's original post.
Thanks, Joe
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JoeR
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tenover - 23 Dec 2003 15:38 GMT
No worries Joe-
Since no one has these, I think we should just keep it all togethe
anyway
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tenover - Certified Slopehea
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JoeR - 23 Dec 2003 19:09 GMT
Thanks Tenover,
Have you seen any of these with brushless motors? If so, what ar
people running in them?
I contacted CC about a Phoenix. Shawn said that all but the Marine ES
has problems with the pistol grip radios. I guess they need mor
throttle range then pistol grip radios have.
He said they will "marine"-ize (my term) any of their controllers i
asked. I guess that means they will dip them in silicone before shrin
wrapping. Since my surfer came with a pistol grip radio I am out o
luck though.
Evidently the marine version does not need any water cooling though.
Unfortunately the Marine, with appropriate software for a pistol gri
radio, only comes in the 80 amp size and it is $180.
He did also say that AM radios are no problem
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Joe
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tenover - 23 Dec 2003 20:00 GMT
I have no idea what kind of BL motors people are running, but I know
read it on one of those links above....Mine came with a pistol grip
but I tore ALL the guts out of mine and am replacing it all with my ow
FM stuff and using a 2-stick radio
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Umi_Ryuzuki - 23 Dec 2003 20:39 GMT
Well if motor cooling is an issue, then a boat would be a very tight an
confined space to place a hot motor.
You would need to add a cooling coil and a water uptake, and output. I
is fairly simple. The coil can be made out of copper tubing woun
around the motor. uptakes are typically placed behind the propellers
and out put can be anywhere out the side of the hull. It can all b
connected with fuel tubing.
Just some speculation, but they may have that forked rudder, so that i
you are riding a large boat, or jetski wake, or actual surf, then on
of the rudders will stay in the water as you cut the face of the wave
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Umi_Ryuzuk
Nyow!
/
=^o^
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tenover - 23 Dec 2003 21:46 GMT
That's exactly what everyones doing....cooling coil/input/output, an
their actually installing tiny skegs in the rear that are purel
cosmetic except for the fact that there's little holes in the front o
each one that will take in water and route it through the tubes on eac
side of the hull.....You can kind of get an idea with this picture
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