20 May 2011
Say the dudes over at WIRED:
After establishing a stable glide, test pilot Pete Siebold raised the twin booms that comprise the tail of SS2 into the feather position. On an actual sub-orbital space flight, this would be done while still in space where there would be no aerodynamic forces on the vehicle.Which sounds fancy, but again guys: rocket ships. No need to over-sell.
…
The feather position allows the space craft to reenter the atmosphere at a slow enough speed to reduce the heating problems that can occur as friction with the atmosphere increases. It also simplifies the process compared to needing a precise glide angle for reentry in order to avoid skipping off of the atmosphere.
[Source: WIRED]
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