Hello, I am interested in the Kolb Firefly. I was wondering if it can be built with a 4 stroke motor and still remain part 103 complaint. I have researched these two motors but I am not sure if they will work.
1) Big twin 4 stroke Valley Engineering - Big Twin
2) 1/2 VW 1/2 VW Engine Kits, Parts & Plans from Great Plains Aircraft!
Any flying a Kolb firefly with a 4 stroke.
1) Big twin 4 stroke Valley Engineering - Big Twin
2) 1/2 VW 1/2 VW Engine Kits, Parts & Plans from Great Plains Aircraft!
Any flying a Kolb firefly with a 4 stroke.