Estes Rocket Kits Wanted - Airplanes and Rockets

RF Cascade Workbook 2018 by RF Cafe
RF Electronics Shapes, Stencils for Office, Visio by RF Cafe

O.S. 25 LA Engine

This OS .25 LA engine powered my Great Planes 20 J-3 Piper Cub.

OS 25 LA Engine

OS 25 LA Engine

OS 25 LA Engine

OS 25 LA Engine

Articles About Engines and Motors for Model Airplanes, Boats, and Cars:

 

Espresso Engineering Workbook


Academy of Model Aeronautics Government Advocacy Coalition - Airplanes and Rockets

Cafe Press