SGS 1-21 Schweizer   

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General Details
Manufacturer: Schweizer
Plane Name:

SGS 1-21

Classified as: Unclassified
Country Of Origin: U S A
Designer: Ernest Schweizer
No. of Seats 1
No. Built 2
L/DMax: 27 80 kph / 43 kt / 50 mph
MinSink: 0.76 m/s / 2.5 fps / 1.48 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.
15.54 51 15.33 165 213 470 113 250 326 720 21.26 4.26 121 266
Aspect ratio: 15.75
Airfoil: NACA 23012
Structure: all metal, some fabric on tail and trainling edge of wing.

Built in 1947, the 1-21 won the Nationals that year flown by Dick Comey, whose 483 km./ 300 miles flight was a National distance record at the time. There was no market at the 1947 price so a simpler model, the 1-23, was produced instead. Stan Smith flew a 1-21 in the 1952 World Championships at Madrid οΎ– Cuatro Vientos in Spain. The ship features triple spoilers (2 on top, 1 on bottom) and water ballast tank in the wing.


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