Model engine classes
Appearance
In the world of model airplanes there are several engine competition classes to signify engine displacement capacity.
Class | Cubic Inches | Cubic Centimeters |
---|---|---|
1/2A | .000-.050 | .000-.819 |
A | .051-.1525 | .835-2.499 |
B | .1526-.300 | 2.500-4.916 |
C | .301-.650 | 4.932-10.65 |