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Model Aviation Magazine, AMA - Airplanes and Rockets

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
Academy of Model Aeronautics Museum - Airplanes and Rockets
Academy of Model Aeronautics Store - Airplanes and Rockets

About
Airplanes & Rockets

Kirt Blattenberger, Webmaster - Airplanes and Rockets
Kirt Blattenberger
Carpe Diem!
(Seize the Day!)

Even during the busiest times of my life I have endeavored to maintain some form of model building activity. This site has been created to help me chronicle my journey through a lifelong involvement in model aviation, which all began in Mayo, MD ...
Copyright
1996 - 2026

Webmaster:
Kirt Blattenberger
BSEE - KB3UON
Family Websites:
RF Cafe | Equine Kingdom

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the Airplanes and Rockets website are hereby acknowledged.
Modeling Resources

Academy of Model Aeronautics (AMA) - Airplanes and Rockets
Academy of Model
Aeronautics
Tower Hobbies logo - Airplanes and Rockets
Tower Hobbies

Horizon Hobby logo - Airplanes and Rockets
Horizon Hobby
Sig Manufacturing - Airplanes and Rockets
Sig Mfg
Brodak Manufacturing - Airplanes and Rockets
Brodak Mfg
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