Quicksilver (aircraft)

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Quicksilver is a line of ultralight aircraft that evolved from weight shift hang gliders. A company called "Eipper Formance" (a play on the name of the founder, Dick Eipper) began manufacturing the early quicksilver ultralights in the late 1970's when hang gliding was very popular. The Quicksilver hang gliders differed from most hang gliders of that time period in that the Quicksilver had a rigid wing and a tail with a horizontal stabilizer and a rudder. At that time, the majority of the hang gliders were simple Rogallo wing type hang gliders.

Eipper added a seat, wheels, and a small engine behind the wing of the hang glider, and the Quicksilver ultralight was born. This aircraft was controlled by pushing a bar forward and backwards, and side to side, in the same way that hangliders are controlled. This shifted the center of gravity of the aircraft and allowed the pilot to control the plane. Many pilots wanted an aircraft that was controlled with a stick and rudder, similar to the way "typical" light airplanes were controlled, so Eipper added control surfaces to the Quicksilver ultralight, and the Quicksilver MX was born.

The Quicksilver MX evolved over the years. A two-seat model was added for training purposes, although the two-seater was not legally an ultralight. Eipper Formance changed their name to Eipper Aircraft and then Quicksilver Aircraft, and they are still in business, although they are not producing aircraft in the quantity that they were at the height of the ultralight craze in the mid 1980's. They can be found online at Quicksilver Aircraft.