March 2017

Gyrocopter Flight Helmets

What type of gyrocopter flight helmets do YOU use? This is a question I posed on the Rotary Wing Forum recently, and I got quite…


Auto Engine Conversion Reliability

Tech: MPS vs. Reliability There are many factors which go into predicting the lifespan of four-stroke piston engines used in applications other than those for…



The Story Of The Bumble Bee Gyrocopter

In 1982, the production of light, two stroke engines for snow-mobiles allowed aircraft enthusiasts to build light aircraft called ultralights. These two stroke engines usually…