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HelicopterEngines Plugs Mufflers Fuel › I NEED Throttle extension for OS .61 SF
12-15-2003 01:24 PM  13 years agoPost 1
Salty

Elite Veteran

St. Augustine

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Hey forum membrs, I need a throttle extension for a OS 61 sf (square head, older heli engine) I got a rappy 60 in trade (NIB) and had a os .61 sitting in its box brand spankin new, so I figures that the engine will work, well it does except for one thing, I need the aluminumn post that hooks to the carb and extends the throttle arm out to clear the rappy frame rails, if you got one or have any cross references or any info I'll buy, trade or do whatever to get my hands on one of these, (I had one a time back, I moved and havent seen it scince) Its the only thing I lack to get my rappy flight worthy. Always somethin'
adapt and overcome, if you cant overcome, then beat into submission.

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12-15-2003 02:05 PM  13 years agoPost 2
Saint728

rrProfessor

Honolulu, Hawaii

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12-15-2003 02:18 PM  13 years agoPost 3
Salty

Elite Veteran

St. Augustine

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You are AWESOME!!!!! I looked and all i could find was for the .46
hmmmm brain fade
Thanks man I appreciate it!

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12-15-2003 03:02 PM  13 years agoPost 4
Foxden

Elite Veteran

Port Charlotte, FL. USA

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I used a longer screw, put a locknut on both sides of the servo horn, used a small washer behind the ball on the horn side so it couldn't pop off and have had no problems, have 2 gallons though it.

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12-15-2003 05:08 PM  13 years agoPost 5
GMPheli

Elite Veteran

W. Bridgewater, MA USA

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Keep in mind that your motor is a long stroke, and will vibrate like crazy if you allow it to rev up. This is why OS stopped making them. You should either regear, or keep the head speed real low

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12-15-2003 11:23 PM  13 years agoPost 6
Salty

Elite Veteran

St. Augustine

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thanks for the info...didnt know that, I will do that I'll end up upgrading to a sx pretty soon, I just want to set the bird up and get the bugs worked out. thanks again!

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12-16-2003 12:35 AM  13 years agoPost 7
Foxden

Elite Veteran

Port Charlotte, FL. USA

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GMPheli,

I have a GMP Cricket that I trained on way back and built a Cobra but never got to fly it, unloaded the Cobra 3 years ago when I moved to Florida from Conn. before I got back into it this year and couldn't find any place to get parts. Now I wish I would have kept it.

oh well

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