Thanks for the information...I'm still not sure about the prop nut size, but I'll try to get a 8x1 adapter for my metal spinner. The kit came with a plastic spinner...but after having a plastic spinner expoled on me...I will use them no more.

I read that the carb on the RCG 20cc engines was not reliable...just what I've read is some forums. I wouldn't know a Walbro carb from any other brand carb...but thought I might as well find out where I can buy replacement carbs incase my carb turned out to be a problem. How can I find out if its a Walbro carb..and where do you go to buy replacements?

I installed a DoBro vibration mount (90~120 size). I hope this helps with any vibration issues I may have. Several of the guys in our club have had issues with servo's going bad on their 2 stroke gas models. I did balance my wood prop, as I do with all my wood props and I only fly wood props.

I'll try and find a good 2 cycle engine oil for air cooled engines...any recomendations ?

I'm hooking up the DLE rpm sensor, as well as a battery voltage meter for the ignition...all put on top of the fuel tank cover I built. So when the battery voltage meter is showing a green light, you will know the engine is hot. No light, no fire.

I ended up going with a 500cc fuel tank, installed over the CG. The throttle servo is up forward in the forward bay, with the electroic unit for ignition, and both batteries will be set way aft in the tail, for balance (I'll make a hatch aft for this-and still to do).

Thanks again for all the help,
Bobby of Maui