MCIGuy
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Lockheed L500

Sat Apr 01, 2006 7:17 am

When I was a kid, I saw a picture of Lockheed's L500 concept for an airliner version of the C-5A Galaxy. It was a full double-deck plane with windows on both decks sans the wing box area. I have searched high and low and can not find this pic anywhere. Has anyone seen the pic I'm talking about? I've seen a few model kits of it, but they're poor quality. I'm pretty sure this pic was published by Lockheed.

I can only guess the reason they didn't manufacture it was that the whole L-1011/DC-10 debacle left them not wanting to go head to head with the 747 (again).

[Edited 2006-03-31 23:28:24]
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lehpron
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RE: Lockheed L500

Sat Apr 01, 2006 7:27 am

Quoting MCIGuy (Thread starter):
can only guess the reason they didn't manufacture it was that the whole L-1011/DC-10 debacle left them not wanting to go head to head with the 747.

Seems quite logical to me that if you clamed

Quoting MCIGuy (Thread starter):
Lockheed's L500 concept for an airliner version of the C-5A Galaxy

Then the reason they didn't go forward was because they won out on the contract against Douglas and Boeing. The Soviet's copied Douglas' plane and called it An-124 while Boeing went ahead with 747. All this happened way before "the whole L-1011/DC-10 debacle"
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MCIGuy
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RE: Lockheed L500

Sat Apr 01, 2006 7:33 am

I was born about the same time as the C-5, so I don't remember any details, just what I've read. I know Lockheed won the military contract and like the YF-17, the 747 lost but also found a home. I thought that Lockheed's airliner concept for the C-5 didn't come along until the 70's. Am I wrong?
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steeler83
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RE: Lockheed L500

Sat Apr 01, 2006 8:03 am

Quoting Lehpron (Reply 1):
The Soviet's copied Douglas' plane and called it An-124 while Boeing went ahead with 747.

I believe this plane had 3 jets on each wing, 2 decs with the upper deck for up to 180 pax, I think. I have a little book from about 1994 or '95 about airplanes, and I remember seeing a Soviet jet like this in there... If memory serves me correctly, I believe this (AN-124) was that plane. Then again, there were some noticeable inaccuracies with that book, like the 735, the latest version of the 737 at the time, had a range of almost 3,500 miles...
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JBo
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RE: Lockheed L500

Sat Apr 01, 2006 9:53 am

Correct me if I'm wrong, but I think several people on this forum have explained that the 747 was NOT originally designed for the heavy lift contract that the C-5 ultimately won, but was rather an original design inspired by a separate design Boeing had for the military bird.

I may not be 100% on that account, but I believe that's what I've read on here.

What Douglas design do you speak of? The only "VLA" design I remember from McD was the "MD-12" concept that looked alot like the present A380, but that had come out well after the 747 and C-5, IIRC.

Are there any images also of this other Douglas bird that supposedly "inspired" the An-124?

A C-5 as a passenger craft would have been an interesting concept, with the split upper deck. Imagine a forward first-class seating and the rear section some sort of lounge (kind of like some of the proposed A380 designs).

Of course, the C-5's storied mechanical reliability may have left something to be desired had it become an airliner.
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GDB
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RE: Lockheed L500

Sun Apr 02, 2006 3:52 am

A pax version of the C-5 would have had zero sales, very poor pax appeal.
My understanding is that the only serious commercial version of the C-5 studied, was the L5000 civil freighter.
Which of course, stood little chance against the B747F
 
stirling
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RE: Lockheed L500

Sun Apr 02, 2006 4:38 am

Quoting JBo (Reply 4):
Correct me if I'm wrong, but I think several people on this forum have explained that the 747 was NOT originally designed for the heavy lift contract that the C-5 ultimately won, but was rather an original design inspired by a separate design Boeing had for the military bird.

I have seen artist renderings of the Boeing entrant into the USAF design competition that Lockheed ultimately won with the C-5; the aircraft looked nothing like the 747. Like all military transports, the design dictated a high wing, something obviously the 747 does not have.
I know Douglas had an entry too, it was called the D-918....ugly looking thing. Unlike the C-5, the nose, INCLUDING the cockpit tilted up for loading of cargo. Would have carried about 400 on two decks.
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