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McDonnell Douglas GRM-29A
The next issue of Aerospace Projects Review (due to go to the printer in
a day or two) has an article on the McD Global Range Mach 29 Aerospace Plane. This was a 1980's single stage to orbit lifting body, but with a rather goofy engine arrangement... three SSME's in the tail, one in the *nose*. It took off like a Harrier in a horizontal attitude, but straight up. The data available on it is a bit sketchy, but what I've got is in here. it's an interesting design. A view of the whole issue is online at: http://up-ship.com/apr/images/v5n2all.jpg -- Scott Lowther, Engineer "Any statement by Edward Wright that starts with 'You seem to think that...' is wrong. Always. It's a law of Usenet, like Godwin's." - Jorge R. Frank, 11 Nov 2002 |
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McDonnell Douglas GRM-29A
In article ,
Scott Lowther wrote: ...This was a 1980's single stage to orbit lifting body, but with a rather goofy engine arrangement... three SSME's in the tail, one in the *nose*. It took off like a Harrier in a horizontal attitude, but straight up. When the spec is adamant about "horizontal takeoff", but the engineering clearly says you should take off vertically, people do what they can... -- MOST launched 1015 EDT 30 June, separated 1046, | Henry Spencer first ground-station pass 1651, all nominal! | |
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McDonnell Douglas GRM-29A
Scott Lowther wrote in message ...
The next issue of Aerospace Projects Review (due to go to the printer in a day or two) has an article on the McD Global Range Mach 29 Aerospace Plane. This was a 1980's single stage to orbit lifting body, but with a rather goofy engine arrangement... three SSME's in the tail, one in the *nose*. It took off like a Harrier in a horizontal attitude, but straight up. The data available on it is a bit sketchy, but what I've got is in here. it's an interesting design. A view of the whole issue is online at: http://up-ship.com/apr/images/v5n2all.jpg I was rather surprised to see this in print, Scott, since it was rather closely held for a long time. I did the original concept design for this configuration --and all of the competing configurations by the other companies--while a consultant at ANSER. The engine arrangement is a little different from what you mention, but I do not feel free to say more. The overall project was derailed by false NASP promises --not by technical barriers. Best regards, Len (Cormier) PanAero, Inc. and Third Millennium Aerospace, Inc. ( http://www.tour2space.com ) |
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