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Old 04-01-2005 | 11:39 AM
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Bayou Talker
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From: Bridgeport, AL
Default GP Ultimate Throttle Linkage

I am currently trying to finish a GP Ultimate Bipe and have hit a snag with the throttle linkage. I am using the Saito 72 for power and the engine is mounted with the cylinder head to the right side of the fuse. This puts the throttle linkage on the top and very close to the cowling. I think I am just low enough for it to clear, but I am having trouble with the alignment of the push rod from the carb to the servo.

After several attempts with the supplied metal push rod, I abandoned it and tried the Golden Rod plastic push rod system. This allowed the engine end just enough room between the throttle arm and firewall to achieve full throw. Now the push rod goes from the top of the firewall to just under the middle of the fuse to connect to the servo. The problem is there is not enough flex in the push rod to make the bends around the tank and then down to the servo and be in a straight line to the servo. This causes the servo to bind slightly and a slight buzz is heard from the servo.

Has anybody accomplished this successfuly in this combo? If you have please tell me the secret. I would like to fly this plane before I become too old to walk!