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HORTEN IV - DESIGN ESTIMATES
The Horten IV, at it's conception in 1940, was expected to be one of the highest performance sailplanes in the world.
Span
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b = 66.6 ft
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Wing Area
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S = 203.3 ft2
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Aspect Ratio
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AR = 21.8
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L.E. Sweep
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20 °
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Weight Empty
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We = 551 lb
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Flight Weight (max.)
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W = 727 lb
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Wing Loading
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W/S =3.58 Ib/ft2
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Max. Glide Ratio
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L/Dmax = 37 @Vc = 45.3 mph
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Min. Sink Rate
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wmin = 98.4 ft/min @Vc = 37 3 mph
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Stall Speed
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Vc = 34.1 mph
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Max. Lift Coefficient
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CLmax = 1.20
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