I see Paroflyer's made one post, as I read this. No information about his building, flying or engine skills.

Since this is the beginner forum, I suppose we should point him to those long threads in the engine forums about running on part gasoline, part glow fuel, and using a glow plug.

Or, we could go into lengthy discussions about needle bearing crankshafts and the weight a spark ignition system adds to the plane, the expense of that addition, etc, etc, etc.

However, those topics have been well discussed in the RCU engine forum. I'll suggest a search there.

Best wishes,
Dave Olson