Diamant 16.5M Flug und Fahrzeugwerke   


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General Details
Manufacturer: Flug und Fahrzeugwerke
Plane Name:

Diamant 16.5M

Classified as: Unclassified
Country Of Origin: Switzerland
Designer: Thomas Bircher and Jrg von Voornveld
No. of Seats 0
No. Built 43
   
Performance:
L/DMax: 42 100 kph / 54 kt / 62 mph
   
MinSink: 0.55 m/s / 1.80 fps / 1.0 kt
   


 

Specifications:
Span Area Empty Weight Payload Gross Weight Wing Load Water Ballast
m ft sq.m sq.ft kg lb. kg lb. kg lb. kg
/sq.m
lb.
/sq.ft
kg lb.
16.5 54.2 12.2 143 270 595 138 305 408 900 30.91 6.29 0 0
Aspect ratio: 20.5
Airfoil: Wortmann FX-62-Z-153
Structure: foam/glass fiber structure
Engine:

Comment:
The development of this early all-fiberglass sailplane began at the Swiss Federal Institute of Technology in Zurich under the direction of Prof. Rauscher, first flying with a new fuselage and tailplane married to wings from a schleicher Ka-6 (the Ka Bi-Vo). Further development was taken over by Flug un Fahrzeugwerke (FFA) which used flapped 15 m. Hutter H-30TS wings, first flying in 1964. After production 13 examples of this model (the HBV Diamant), production shifted to the Diamant 16.5 with a new 16.5 m. wing designed and built by FFA. This was the first all glass fiber production sailplane, not using balsa or other wood sandwiched between the fiberglass layers. The Diamant 18 is an 18 m. development of the 16.5, first flying in 1968, with extended inboard wing and flap sections and a new wingtip cap. At least one Diamant 18 was substantially modified by Dan Pierson of Los Angeles, CA to have a 19.0 m. / 62.3 ft. wing carrying 145 kg / 320 lb. Of water ballast bringing the gross weight up to 673 kg/ 1,480 lb.


           

Your Comments:
Unique Diamant - 130 - Posted by: JP (17/Mar/2002) Reply
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- 141 - Posted by: Robert Hibbard - hibbard@visi.net (18/Jun/2002) Reply

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