The Bumble Bee is one of the few ultralight gyroplanes on the market. It is the world’s first ultralight gyroplane.
There she met Dick and the rest is history.īut Jeana loves helicopters, gyroplanes, horses, and yes-airplanes.The Bumble Bee was designed, built, and flown by ADI in 1983. Jeana joined came along to the Chino Airshow to help me promote the Sportster.
GYROCOPTER PLANS FREE PDF PDF
It has been copied by others and is also known as the Shadow and the Avenger.For a free copy of the Sportster Stress Analysis, 12.8 MB PDF file. The last time the Sportster was flown was 10 years ago. A number of improvements have been made which include a new Matco nose wheel with a hydraulic brake and a better rotor blade adjustment hub. Martin HollmannThe recent picture of the Sportster on the left was taken at the South County Airport, CA Fly-In, on May 5, 2001. I have had as many as 20 aircraft wait for me to take off) Congratulations Seth on a great job. At the airports he landed many people came to see his Sportster. On his trip he averaged a TAS of 81 mph on the 13 hr flight and burned 9.2 gph fuel. This 2 place gyroplane designed by Martin Hollmann was built by Helga Swenson in Sweden about 12 years ago and Seth has been made a number of improvements to it. Plans include drawings for tow hitch, prerotator, and rotor blades.For a free copy of Hollmann’s Master Thesis, “DESIGN OF THE ULTRALIGHT TWO PLACE GYROPLANE,” Florida Technical University, FL, 1974.įile,Seth Hedstrom tells of his 1,600 km flight in his Sportster in the upcoming issue of PRA’s Rotorcraft magazine. The Sportster has the safest flight history of any gyroplane in the world. Many Sportsters have been built and hundreds of people have learned to fly in the Sportster or derivatives of the Sportster. Seating is side by side with dual controls for flight training. It is enclosed and designed to carry two large people.
The Sportster is powered by a 160 hp Lycoming 0-320 engine. For those interesting in designing gyros, the book is the only book in the world on this subject.The Sportster is the word’s first two place, experimental, gyroplane. Flight reports of the Sportster and Bumble Bee are presented in. Sells plans for two gyroplanes, both have an excellent safety record. I am building on a fixed wing but can also start the Bumble Bee as it doesn’t require much hanger room.
Had I studied your materials harder, I would not have needed to. Unfortunately for me I put my gyro interests on hold for a while since the gyro community seemed to be confused about the horizontal tail issue. We are quoting it routinely in the body of out text. We feel strongly that members of the board who will be evaluating our technical report could make great use of your text. In helping to explain our performance numbers in our solicitations, we would like to include a copy of your book as supporting documentation for one of our reports. Paul Poberezny,Letter from Piasecki Aircraft Co:Your book “Modern Gyroplane Design” is simply a pleasure to read and you have made a very tough subject very understandable. It certainly makes sense in reading it and in your comments as well as those of others. Jerry Blaskey.Letter from SAA: I read the comments from various people relative to the use of the horizontal stabilizer and of course the need for one. File.Letter from Sportster pilot: Marty, I am thankful I learned to fly gyros in your Sportster design. GyroplanesBlade Resonance article in December 2008 issue of ROTORCRAFT by Martin Hollmann.
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