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>>> Deltaplane VJ 11

Accueil bible » Deltaplane : Vj 11

Si vous avez des informations complémentaires (ex : spécificité du pilotage, particularités diverses, photos...) sur le deltaplane Vj 11 fabriqué par Volmer, ajoutez votre commentaire (en bas de page) ou écrivez nous:

Fiche deltaplane : Vj 11
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VJ 11
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Le vj11 et vj23 sont des appareils qui ont été construit par Volmer Jensen, le vj11 durant la 2eme guerre mondiale et le vj23 dans les années 70.
Le vj11 reprenait la configuration des planeurs Chanute, mais le pilotage était assuré par des gouvernes.


Construction was commenced in 1940 and completed in 6 weeks spare time and test flown the following week end. This is an original design by Volmer Jensen, designer, builder, and pilot of a dozen gliders, sailplanes, and 2 airplanes. The last airplane he designed was an amphibian and has been flown by him over a distance of 6 times around the world and is still flying after 22 years.

Article written by Volmer Jensen and published by the Soaring Society of America, September 1971.

A great deal of interest was shown at the recent Championship hang glider meet (July Soaring). Approximately 15 hang gliders were flown. There was a flight every five minutes — and a "crackup" every five minutes. It was absolutely hilarious to watch these gliders go through uncontrolled flight. All were controlled by shifting the body weight which had practically no effect on the attitude of the craft. It is easy to understand that shifting a pilot's weight of 150 pounds laterally by six inches is not enough to lower the high wing. This results in the lower wing digging into the ground and ending up in a 180-degree ground loop that faces back up the hill again! I found this out by building two hang gliders 40 years ago. Then 30 years ago, during the war when we couldn't fly any aircraft within 150 miles from the coast, I thought it would be fun to build another hang glider. I knew the C.A.A. wouldn't mind since I was only going to slide down the hill. However, I put controls on it, and I believe it is the first hang glider in the world to have three-dimensional controls. Even the Wright Brothers did not have a hang glider; they lay down in their glider to fly.
I installed elevators and ailerons, controlled by the right hand with a device shaped like a + sign and a rudder by the left hand, using a short rudder bar. It flew great. Many glider pilots tried it including John Robinson, National Soaring Champion for 3 years, and Irv Culver, Lockheed aerodynamicist who helped on the stress analysis, and even fellows with no previous flying experience. We could take off in 3 steps down the hill and sometimes land by just bending our knees. On some flights we even gained altitude which I recorded on 16mm. color film.
As soon as one's feet leave the ground by 12 inches, one feels like he's 1000 feet in the air. This is a very exhilarating experience and a safe sport as evidenced by no injuries of any kind to the contestants at the meet. If each glider at this meet had controls, it would have taken off at the top of the hill and flown to the bottom with perfect control.
We can furnish you with a complete set of blueprints — 8 photographs and full scale rib layout. The cost of materials is approximately $400.00. We do not furnish a kit or materials.
To facilitate your delivery, please make your payment by cashier's, certified check, or money order.
Please tear off and sign, include with your payment and MAKE A COPY OF THIS AGREEMENT FOR YOURSELF.