Just got off the phone with a glider instructor who put an astronaut
through the paces to get his glider rating in the last 6 days.
Evidently the shuttle was quite an upgrade from Soyuz' 0.38:1 glide
ratio, but still topped out at 4:1.
The mighty Schweizer 2-33A "Drag Master" gets 23:1 if you hold your
breath, so is comparatively high performance. This all in prep for a new
job at Virgin Galactic.
I've witnessed two shuttle landings, looked pretty draggy to me.
Jim
On 10/15/2014 12:53 AM, Mike Borgelt wrote:
At 01:11 PM 15/10/2014, you wrote:
As I understood it, the space shuttle had a very good glide ratio at its
best L/D. 60 to 1 at a speed of around 600 kt.
Roger Browne
Really?
https://en.wikipedia.org/wiki/Lift-to-drag_ratio
<https://en.wikipedia.org/wiki/Lift-to-drag_ratio>
http://engineerclothing.com/engineering-shirts.php?Design_ID=003
<http://engineerclothing.com/engineering-shirts.php?Design_ID=003>
https://archive.org/stream/nasa_techdoc_19790013835/19790013835_djvu.txt
In any case spaceships with wings is a bad idea. See SpaceX Dragon
V1.0 and V2.0
Mike
*Borgelt Instruments***- /design & manufacture of quality soaring
instrumentation since 1978
/www.borgeltinstruments.com
<http://www.borgeltinstruments.com/>tel: 07 4635 5784overseas:
int+61-7-4635 5784
mob: 042835 5784: int+61-42835 5784
P O Box 4607, Toowoomba East, QLD 4350, Australia
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