AboutClarence C Ragland Expertise Radio control flight instruction. I have over 30 years experience in flying and teaching people how to fly RC airplanes and helicopters. I have developed a unique and very productive flight instruction technique, that can teach people to fly on their on within a few short hours. I can answer most questions involved with RC airplanes and helicopters.
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Question I just got a Yak with a .46 size engine and when i start it it runs good, but when i hold the plane up the engine stops. What do i need to do about tunning the engine and this problem?. Thanks
Answer Stephen,
Is this your first plane? Have you had any previous glow engine experience? It sounds like your high speed mixture is set too lean. Simply richen up (turn high speed needle counter clockwise) a couple of turns and then hold the plane's nose up. Then turn the needle clockwise until the engine starts to sag and then back off the high speed needle valve until it runs without sagging.
