John Rahkonen (Person)
Paavo John Rahkonen started Rocket Technology Corporation in the early 1960s.
The company's plans to produce model rocket motors, in competition with Estes, never reached fruition and Rocket Technology folded after producing just one kit, a flying scale model of the German V-2 missile.
Rahkonen was born in Brooklyn, New York, on January 16, 1930. He studied at the USAF Institute of Technology and worked for the Air Force for six years then at Republic Aviation, Curtiss-Wright, and Martin.
At Morton-Thiokol in Utah, Rahkonen invented Ammonium Perchlorate Composite Propellant.
In the early 1990s, Rahkonen's Propulsion Dynamics (Prodyne) introduced a line of hobby rocket motors under the "Cyclone" label as well as a K700 composite motor.
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![Vintage Estes Viper #0820 Model Rocket [4*G-17.25]](https://i.ebayimg.com/thumbs/images/g/Q7EAAOSwN1Nl1kDF/s-l225.jpg "Vintage Estes Viper #0820 Model Rocket [4*G-17.25]")
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