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#1
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What Rutan doing is great, however it's not a glider in my humble opinion.
Would we consider Bob Harris the altitude record holder if he towed to 49,009 and then glided back to Cal City? Of course not. The SS1 is a Rocket Plane, it qualifies under the "Aircraft launched by a carrier Airplane" category, exactly like the X-15 decades before, which never claimed a "Soaring Performance" Record. FAI specifies a Motor-glider as being a "A fixed wing aerodyne equipped with means of propulsion (MoP), capable of sustained soaring flight without thrust from the means of propulsion." The X-15's and SS1's performances are 100% dependent on their engines and ballistic trajectories (coasting) after engine shutdown, they can't sustain soaring flight by utilizing any atmosphere generated form of lift to improve performance beyond their limited glide ratios, so their flights can't be technically considered "Soaring Performances". |
#2
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Wouldn't that make the STS (a self launch glider) the holder of the altitude record?
Bob |
#3
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![]() "Bob" wrote in message om... Wouldn't that make the STS (a self launch glider) the holder of the altitude record? Bob No, but it might mean that a P-38 Lightning is a motorglider since it has been wave soared with both engines caged for a couple hours. Scott. |
#4
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Correct, that P-38 was capable, under strong wave conditions, of a "Soaring
Performance". It could have tried for an altitude record if, after engine shutdown, it gained at least 5000m in wave AND exceeded the previous altitude record. "plasticguy" wrote in message ... "Bob" wrote in message om... Wouldn't that make the STS (a self launch glider) the holder of the altitude record? Bob No, but it might mean that a P-38 Lightning is a motorglider since it has been wave soared with both engines caged for a couple hours. Scott. |
#5
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The space shuttle flies (orbits) above 328,000ft, and thus, outside of the
earth's atmosphere. The record within the atmosphere belongs to the X-15 since 1962 at 314,000ft. "Bob" wrote in message om... Wouldn't that make the STS (a self launch glider) the holder of the altitude record? Bob |
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