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Forum: Tech Log

11th Nov 2014, 17:33

Replies: 48

Virgin Galactic Tech

Views: 25,057

Posted By BOAC

- I am totally confused by what we know so far of...

- I am totally confused by what we know so far of the tail 'feathering' system, but I think we must assume the tail movement is 'powered' somehow, and I can see significant aerodynamic forces moving...

Forum: Tech Log

6th Nov 2014, 22:01

Replies: 48

Virgin Galactic Tech

Views: 25,057

Posted By BOAC

Yes - with pressure suit and emergency oxy. We do...

Yes - with pressure suit and emergency oxy. We do not know what the clothing was for these guys.

Forum: Tech Log

6th Nov 2014, 06:52

Replies: 48

Virgin Galactic Tech

Views: 25,057

Posted By BOAC

A static line needs to be attached to...

A static line needs to be attached to something...

Gums - how many of your mates did it from 45k+ and supersonic? I know of only a few actual 'controlled' ejections from that environment, an X-15,...

Forum: Tech Log

5th Nov 2014, 21:25

Replies: 48

Virgin Galactic Tech

Views: 25,057

Posted By BOAC

I'm also fascinated by the way the guy survived -...

I'm also fascinated by the way the guy survived - being forcibly ejected from the wreckage at 45k+ and to be able to deploy a chute.............

Forum: Tech Log

4th Nov 2014, 13:02

Replies: 48

Virgin Galactic Tech

Views: 25,057

Posted By BOAC

Here's my dumb question - why is 'feathering'...

Here's my dumb question - why is 'feathering' required (?after apogee?)? Is it because at the high alpha of 're-entry' the nose-down moment of the unfeathered wings would be too great and require too...

Forum: Tech Log

3rd Nov 2014, 13:47

Replies: 48

Virgin Galactic Tech

Views: 25,057

Posted By BOAC

Peter - thanks! I had found the mini-jpegs, but...

Peter - thanks! I had found the mini-jpegs, but that pdf is excellent. I assume therefore they just use high-alpha to 'ease' the feathering load. I see from the 'sim ride' the tail was unfeathered...

Forum: Tech Log

3rd Nov 2014, 11:00

Replies: 48

Virgin Galactic Tech

Views: 25,057

Posted By BOAC

Virgin Galactic Tech

Despite extensive gargling I have not found a decent explanation of the ship's systems - if anyone has such I would appreciate a link. In particular, from looking at early test videos, it almost...

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