Briegleb BG 12

__NOTOC__ Infobox Aircraft
name=BG 12


caption= BG 12/16 variant
type=Sailplane
manufacturer=Sailplane Corporation of America for Homebuilding
designer=Gus Briegleb
first flight=1956
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The Briegleb BG 12 is a single-seat sailplane of wooden construction developed in the United States in the 1950s. It was marketed for homebuilding in plans or kit form, with over 350 sets of plans selling by 1978. The BG 12 is a conventional sailplane design, with a high cantilever wing and a conventional empennage. Later models featured a highly-revised fuselage, a swept-forward tail fin, and an all flying tailplane with balance tabs.

Variants

* BG 12 - prototype derived from BG 6
* BG 12A - initial market version
* BG 12B - 1963 version with revised wing
** BG 12BD - revised wing and ailerons
* BG 12C - flapless 15 metre wing to meet FAI Standard Class requirements (1 built)
* BG 12/16 - revised, lower-drag fuselage and tail fin, all flying tailplane

pecifications (BG 12BD)

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crew=One pilot
capacity=
length m=6.68
length ft=21
length in=11
span m=15.24
span ft=50
span in=0
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height m=1.22
height ft=4
height in=0
wing area sqm=13.1
wing area sqft=141
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volume m3=
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aspect ratio= 17.7
empty weight kg=227
empty weight lb=500
gross weight kg=409
gross weight lb=900
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max speed kmh=217
max speed mph=135
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glide ratio= 34
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sink rate ms= 0.7
sink rate ftmin= 56

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References

*
* [http://www.sailplanedirectory.com/briegleb.htm sailplanedirectory.com]
* plans sheet 12046

ee also

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sequence=
* BG 6 - BG 7 - BG 12

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