ORIGINAL: Craig F
I can't get more then 9k out of it. I've changed the plug, fuel, 15% and 10%
checked the lines, clunk, and tank. Propped with a 10/4 and 10/5 same results,
idles fine, throttles up fine but not full power. The barrel opens all the way and
i'm stumped. please help!! Craig
--------------
Nine K is about right for that engine and that prop.
Instead of reaching for higher rpm, try gaining more thrust by swinging more prop, such as an 11x4.
If the engine is new, it may gain a few hundred rpm as it acquires running time.
Please realize that four-strokes up to .30 in displacement are comparable to .15 to .18 (the latter is pushing it) glow two-strokes as far as power is concerned. The perfect model for these engines are .15 two-stroke powered models. Do not try to use these engines in models designed for a .25 two-stroke or you will be very disappointed.
Ed Cregger