From: whuang@airmail.net (Bill Huang) Newsgroups: rec.models.rc Subject: Re: tune royal .46 Date: Fri, 18 Aug 1995 14:29:40 GMT Organization: Internet America gprice wrote: >I have just bought my first r/c plane and having troubles with the royal >46 engine. It has no trouble running flat out on the ground but soon as >it pulls up at any type of angle the motor stalls. As I have only limited >knowledge on tuning and thoughts on how to rectify this problem will be >much appreciated. It depends on what you mean by flat out. If the engine is set too lean on the ground, the problem will get worse in the air as the prop unloads. You might try to set the needle valve a little richer and see if that helps. Other things to check are that the fuel system has NO air leaks in it. regards, Bill