Richard Keyt
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In Case You Missed it
The Case of No Rotor RPM Indication
I am now in the flight-testing stage with my Hummingbird helicopter. Personally, I’ve always...
Alternative Realities
Larry Simpsons first building experience was deepened by his engine choice: an Eggenfellner H6 Subaru conversion. His attention to detail and tailored modifications led to more of a hands-on experience than he expected-sometimes frustrating, expensive and fascinating. By Larry Simpson.
Wind Tunnel
This month we use the accumulated flight-test data to determine what exactly is causing the unacceptable flying qualities of the airplane so that the best way to fix the problem can be identified;
Constant-Speed Props
Sometimes using a constant-speed prop makes sense, but the decision is often a compromise among weight, cost and performance. By Marc Cook.