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Old 01-05-2011, 07:19 PM   #1
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Default Problem Solved Thanks DJ

Hello Everyone im am new to r/c and i have a small problem. i got a r/c car with no engine and i purchased a .21 GS Racing engine off eBay (im sure its not very good but oh well) any way problem being is the fly wheel i have fouls with the carburetor when i attach it, i believe it is the angle of the carburetor, anyhow i was wondering if anyone could offer advice on what to do, new flywheel? Some kind of spacer? A cheap solution would be nice
Advice is Much Appreciated
Cheers Tony
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Fly Wheel Problem Need Assistance-img_1537.jpg   Fly Wheel Problem Need Assistance-img_1538.jpg   Fly Wheel Problem Need Assistance-img_1539.jpg  

Last edited by panman9; 01-05-2011 at 11:12 PM.
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Old 01-05-2011, 07:25 PM   #2
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Take it to your LHS, and purchase a Collet for the flywheel.
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Old 01-05-2011, 07:30 PM   #3
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Take it to your LHS, and purchase a Collet for the flywheel.
i got one it doesn't make a difference, im thinking smaller flywheel+ collet?

EDIT: i got a link to what im thinking in particular of but i cant post it
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Old 01-05-2011, 07:59 PM   #4
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i got one it doesn't make a difference, im thinking smaller flywheel+ collet?

EDIT: i got a link to what im thinking in particular of but i cant post it
There are few shapes of collet.

You need to go to hobby store and try to matching it.

I think OS engine's collet or any taiwanese engine's collet will match with that flywheel. That is off road flywheel made by GS or Hobao.

Tips: Drop some oils on the collet and locknut before tightening.
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Old 01-05-2011, 08:31 PM   #5
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There are few shapes of collet.

You need to go to hobby store and try to matching it.

I think OS engine's collet or any taiwanese engine's collet will match with that flywheel. That is off road flywheel made by GS or Hobao.

Tips: Drop some oils on the collet and locknut before tightening.
problem being is even if i did find a collet large enough to push it far enough back i wouldn't have room for the clutch bell
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Last edited by panman9; 01-05-2011 at 09:24 PM.
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Old 01-05-2011, 08:59 PM   #6
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I can;t believe no one saw this:

The flywheel is hitting/touching the Carb idle screw

I have no idea how you can solve that problem apart from getting an extender to oush out the flywheel, or reversing the carb, but Im not sure if that would work as well.
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Old 01-05-2011, 09:11 PM   #7
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yep you got it
reversing the carb it fits perfectly, but then the slide is on the wrong side
i got no idea what these people were thinking when they made it.
i do however have another carb that fits but im not sure of its quality and it was off a .15 engine so im not sure if it will even work, so im still pretty puzzled as to what to do.
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Old 01-05-2011, 09:34 PM   #8
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yep you got it
reversing the carb it fits perfectly, but then the slide is on the wrong side
i got no idea what these people were thinking when they made it.
i do however have another carb that fits but im not sure of its quality and it was off a .15 engine so im not sure if it will even work, so im still pretty puzzled as to what to do.
Hahaha, glad to know you CAN get it to work by reversing the carb
Just looking at the carb photo now, the idle screw is in the most retarded location!! Mine is on the other side/towards the head, with the throttle arm being on the same side as you show it to be.
But since you need it that way, the only thing I can suggest is trying to get the carb rod to go to the right side of the engine IE: make the engine head face towards you, with the crankshaft pointing downwards, make the throttle arm open out towards the left side. With this, make the throttle servo linkage go past the carb throat and connect to the throttle ball-link. If you can't do that, then I can't help any more than I already have!!
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Old 01-05-2011, 09:39 PM   #9
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Post another photo, the other side of carb, and a shot on top of engine with carb.. My GS .21 has a different carb. Part# Kyosho 6520-43 for the GS look completely different than the on you got on. Carb you have believe a HPI carb. I think its the wrong carb, I got rid of the GS.21 last year in 2009.

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Old 01-05-2011, 09:58 PM   #10
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Success. Tried DJ's Idea and it worked now all i have to do is reverse the channel and i should be good
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Old 01-05-2011, 10:10 PM   #11
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Post another photo, the other side of carb, and a shot on top of engine with carb.. My GS .21 has a different carb. Part# Kyosho 6520-43 for the GS look completely different than the on you got on. Carb you have believe a HPI carb. I think its the wrong carb, I got rid of the GS.21 last year in 2009.
im not going to shell out $80 for a new carb ill try DJ's solution first, BTW was it a good engine?
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Old 01-05-2011, 10:20 PM   #12
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Just wanted to add that sometimes you can twist the carb to get you out of trouble, but sounds like you have your solution~
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Old 01-05-2011, 10:31 PM   #13
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Good on ya!! I knew it would be possible!!
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Old 01-05-2011, 10:46 PM   #14
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Good on ya!! I knew it would be possible!!
yea cheers mate

Now just gotta find a long enough servo rod (i need the one i used in the photo)
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