Alcor Lamson   

General Details
Manufacturer: Lamson
Plane Name:


Classified as: Unclassified
Country Of Origin: U S A
Designer: Robert Lamson
No. of Seats 1
No. Built 1
L/DMax: 43 89 kph / 48 kt / 55 mph
MinSink: 0.46 m/s / 1.5 fps / 0.89 kt


Span Area Empty Weight Payload Gross Weight Wing Load Water Ballast
m ft sq.m sq.ft kg lb. kg lb. kg lb. kg
kg lb.
20 65.6 14.31 154 250 550 181 400 431 950 30.12 6.16 0 0
Aspect ratio: 28
Airfoil: Feifel
Structure: non-metallic composite materials.

The Alcor, the first pressurized sailplane, was designed and first flown in 1973 as a research vehicle able to gain high altitudes while keeping the cockpit environment safe and comfortable. This was achieved by pressurizing the cockpit and building the ship light enough so that it could operate successfully in weak mountain wave conditions. The cockpit pressure differtial maintains two to three inches of mercury. The sole Alcor now belongs to the Museum Flight Foundation, Seattle, WA.


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