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#1
March 14th 07, 08:29 AM
posted to rec.aviation.homebuilt
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L/D max of Valkyrie (the big fella)
Quite a lot of sources name the Valkyrie as an extremely high lift
over drag efficient aircraft. According to Wikipedia: "This gave the Valkyrie the best lift:drag ratio of any powered manned aircraft ever built and allowed a much better aspect ratio on take-off and landing. Some recent SST designs are considering this as an option." Anyone knows l/dmax of the XB-70? Commercial airliners are around 1:18 while motorgliders (and the U2) come close to 1:30 An L/D of 1:30 seems impossible for an aircraft like the Valkyrie? 
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