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 ...

1996 - 2026

Kirt Blattenberger
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.

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Sterling Cirrus Sailplane

Sterling Cirrus Sailplane Kit Box Cover - Airplanes and RocketsBack in the early to mid 1970s, I began construction on one of these Sterling Cirrus sailplanes. It got put aside when I bought my first radio control system (a used 3-channel OS Digital). In a somewhat desperate attempt to own an RC glider, I actually crammed two huge servos, a huge receiver, and a NiCad airborne battery pack (the only part that has not gotten smaller in 30 years) in the cockpit. Although the cockpit was very spacious, the balsa frame construction was way too weak to support a radio system, but that didn't stop me... well, not right away anyway. If I remember correctly, the wingtips had a chord of about 1" and were about 3/16" thick.

Sterling Cirrus glider advertisement in November 1973 American Aircraft Modeler - Airplanes and RocketsAfter much work covering the undercambered airfoil and compound curves around the fuselage with Japanese tissue, it was finally ready to fly. It probably weighed three or four times the weight listed on the box top. The first couple "flights" consisted of tossing the Sterling Cirrus off a little ridge about 3 feet high, at Klinkin's Field, in Mayo, Maryland. The flimsy wings flexed up into an extreme curve - it's amazing that they didn't break. The landings were in soft, long grass, so the craft survived. That was all well and good, but it was not exactly satisfying flying. Somehow, I talked my father, who was skinny but was no athlete, into running with a tow line in an attempt to get it aloft. Between the two of us, the Cirrus was rendered unusable after about an hour. Oh well, live and learn (or don't learn).

Sterling Cirrus Kit Balsa Sheet Parts - Airplanes and Rockets 


 Sterling Cirrus Kit Balsa Canopy - Airplanes and Rockets

Sterling Cirrus Sailplane Glider Kit in Box - Airplanes and RocketsSterling Cirrus Sailplane Glider Plans - Airplanes and Rockets



Posted May 8, 2019 

Modeling Resources

Academy of Model Aeronautics (AMA) - Airplanes and Rockets
Academy of Model
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