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Starter springs and Throttle rings Empty Starter springs and Throttle rings

Post  Cribbs74 Fri Jan 20, 2012 3:05 pm

Received all my parts from Matt,Bernie and John Goddard so I can build my Texaco engine. Problem is I cannot install the no drag starter spring under the throttle ring. When I tighten the cylinder down,the throttle ring hits the spring and won't allow the throttle ring to rotate.

Has anyone else experienced this? If so what was the fix?

I am thinking about grinding down the spring wire to reduce the diameter allowing it to fit under the throttle ring.
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Post  nitroairplane Fri Jan 20, 2012 3:06 pm

Yeah ther is not "real" fix for this I have found.
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Post  Cribbs74 Fri Jan 20, 2012 3:11 pm

nitroairplane wrote:Yeah ther is not "real" fix for this I have found.

So I guess I need to start grinding then!
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Post  nitroairplane Fri Jan 20, 2012 3:19 pm

Yes unless you want to wait for others opinions as they may have some suggestions.
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Post  Surfer_kris Fri Jan 20, 2012 3:29 pm

Some mufflers come with a spacer that one can put below the cylinder. There are also timing shims that one can use to raise the cylinder a little. Grinding the spring works too...
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Post  Cribbs74 Fri Jan 20, 2012 3:36 pm

Ok, grinding works well. Just skimmed a little off the diameter of the wire. Works good and is not even noticeable. Thanks guys!
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Post  balogh Sat Jan 21, 2012 11:51 am

cribbs74 wrote:Ok, grinding works well. Just skimmed a little off the diameter of the wire. Works good and is not even noticeable. Thanks guys!

Had the same experience but rather than thinning the spring I decided to grind the bottom of the throttle drum...a few runs on a fine sandpaper flattened on the table did the right job.
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Starter springs and Throttle rings Empty same for peewee020

Post  Jaspur_x Sat Jan 21, 2012 7:56 pm

I had the same with my peewee020,so I shaved down the throttle ring with my dremel,all is well now lol!
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Post  Cribbs74 Sat Jan 21, 2012 8:00 pm

I guess it could work both ways, I just figured the spring was cheaper.
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Post  microflitedude Sat Jan 21, 2012 8:03 pm

Jaspur_x wrote:I had the same with my peewee020,so I shaved down the throttle ring with my dremel,all is well now lol!

THANK YOU! Very Happy
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Post  nitroairplane Sun Jan 22, 2012 4:49 am

cribbs74 wrote:I guess it could work both ways, I just figured the spring was cheaper.


Yeah if you messed up the spring an new one is cheap but the ring would cost more.
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Post  WingingIt74 Sun Jan 22, 2012 8:59 am

Why not just leave the starter spring off?
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Post  Cribbs74 Sun Jan 22, 2012 10:16 am

It was a thought. I run my Tee Dee's that way. I never used to use starter springs but, since I started I find the engines fire off much quicker and usually run in the right direction.
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Post  PV Pilot Tue Mar 27, 2012 6:36 pm

Since this is a really cool titled thread, thought i would put this here.

Did cox or estes cox or ? make a left hand no drag starter spring for a 049.

Just the spring, to be used with a round drive washer, no plastic hex driver piece.
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Post  WingingIt74 Tue Mar 27, 2012 6:47 pm

Yes, look at my Odd Ball thread.
http://coxengineforum.forumakers.com/t1970-odd-ball-engine
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Post  EXModelEngines Tue Mar 27, 2012 7:00 pm

We typically grind them down if a customer requests it to work with a starter spring!

Regards, Matt
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Post  Cribbs74 Tue Mar 27, 2012 8:28 pm

EXModelEngines wrote:We typically grind them down if a customer requests it to work with a starter spring!

Regards, Matt

Guess I should have asked then. lol!
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Post  PV Pilot Wed Mar 28, 2012 11:41 am

So basically for a Left hand no drag spring. Take a #334 kit, toss the plastic drive hex piece, twist and hammer the spring until you get it where you want it.

yes? no?
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Post  EXModelEngines Wed Mar 28, 2012 3:50 pm

cribbs74 wrote:
EXModelEngines wrote:We typically grind them down if a customer requests it to work with a starter spring!

Regards, Matt

Guess I should have asked then. lol!


Always next time lol!

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