Paraplanes and Parachuting
The development of the first mass-produced powered parachute took approximately two and one-half years. As aeronautical Engineer, Steve Snyder, was implementing and perfecting the use of square ram-air parachutes, which had properties of a lifting wing, he found that increased glide ratios were developed. He therefore assumed that if the person or payload suspended under the chute had some thrust added, the distance traveled could be extended. With more power, it could fly level or even climb. He then decided to pursue this idea with the objective of creating a safe and simple aircraft that even amateurs could fly easily.
With the help of Adrian Vandenberg, who had expertise in metalworking and machining, he completed the first basic frame design in March of 1981. Daniel Thompson, a small engine expert, was brought on to the project three months later to produce a powerplant. He fitted the aircraft with two small Chrysler engines and the P-1 (prototype 1) was born.
On the first day of test flying, attempts were made to get the aircraft off the ground. Steve, at 150 lbs., finally tried easing the power away from full throttle at take-off, and managed to fly the craft to a height of 40 to 50 feet. He had a difficult time with control of the craft because of the torque produced by both engines spinning their propellers in the same direction. The total flight time was 30 - 35 seconds at a speed of 20 to 25 mph.
The P-1 flew more than 10 times, once by a woman weighing 110 lbs., which allowed for better performance of the test flights. Many revisions were made during those test flights, including the addition of a vertical stabilizer, flaps, ailerons, and optimizing the parachute trim.
Ram air parachutes of the day had a flat profile and offered limited control. More anhedral (downward curve) and ribs were added to the chute ultimately giving the craft more stability and pressurization on the P-1's parachute thus solving the control issue.
While the parachute control solutions were being worked out, Dan came up with an improved airframe design, and with Steve's idea of folding landing gear for portability, the P-2 was completed in January of 1983. The problem of torque was also solved by having the propellers counter-rotating, thus canceling out eachothers' torque effect.
Three months later the P-3 made it's debut at the Sun & Fun Airshow in Florida. Response was overwhelming, and the ParaPlane Corporation was formed to produce the portable, safe, and easy to operate aircraft the P-3 had proven itself to be.
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- Parachuting History
- Influential People
- A Leap of Faith
- Freefall Philosophy
- Women's Impact on Parachuting
- Space Parachuting
- Parachuting Airborne Forces
- Paragunners of WWII
- Paraplanes and Parachuting
- Formation of the Parachute Regiment
- Parachuting Training