Hi,

im having trouble with my DLE 30 mounted in an inverza 33, it's my first gas engine after years of glow so go easy on me!

I can get the engine primed, choked and started no problem at all, in fact it is probably the easiest engine I've ever had to get going, then the problems start!

it will idle really well but above half throttle when running on the high speed needle it misses intermittently and will not reach peak rpm, no matter what the needle is set too.

i removed the plug and found the gap was about 0.40", I lowered this to about 0.20" which made it run worse!

i added an extension to the high speed needle screw so I could adjust it easier, do gas engines react the same to changes as glow?

im using a 4.8v 2200mah nimh for ignition with a on board indicator which shows no voltage drop at high rpms

Could an oil rich mixture cause rough running? I'm using about 25:1 which I think could be too much oil

im going to try a new plug but wandered if anyone has had similar problems? As I said it's my first gas engine, I managed to get a short flight with it last weekend so I was really disappointed I couldn't tune out the rough running to get it going properly

thanks for any help

joe