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Did You About Douglas Original GlobeMaster 3  
User currently offline747400sp From United States of America, joined Aug 2003, 3600 posts, RR: 2
Posted (8 years 1 week 2 days 16 hours ago) and read 3839 times:

In the late 50's Douglas was working on a 500000 lb cargo plane call the C-132 Globemaster 3. It was power by (get this) four 15000 hp T57 turboprops, yes the turboprop version of the J57. Thought you guys my want to know about this plane.

11 replies: All unread, jump to last
 
User currently offlineDc8jet From United States of America, joined Feb 2004, 326 posts, RR: 0
Reply 1, posted (8 years 1 week 1 day 13 hours ago) and read 3711 times:

How about some more information. Just where exactly did you come up with this?

User currently offlineEBJ1248650 From United States of America, joined Jun 2005, 1932 posts, RR: 1
Reply 2, posted (8 years 1 week 1 day 1 hour ago) and read 3635 times:

Quoting 747400sp (Thread starter):
In the late 50's Douglas was working on a 500000 lb cargo plane call the C-132 Globemaster 3. It was power by (get this) four 15000 hp T57 turboprops, yes the turboprop version of the J57. Thought you guys my want to know about this plane.

I don't know that it officially got the Globemaster III name, but it was a proposal that ultimately wasn't accepted. I believe the Air Force thought it was too much airplane for the airlift mission at the time. Ultimately the Air Force bought the C-133 and got those in relatively limited numbers.

The C-132 would have looked like a scaled down C-5 but with turboprop power instead of the huge turbofans the Galaxy has. Incidentally, the C-17 is now called Globemaster III. The C-124 was officially the Globemaster II but the military types never called her that.



Dare to dream; dream big!
User currently offline747400SP From United States of America, joined Aug 2003, 3600 posts, RR: 2
Reply 3, posted (8 years 1 week 19 hours ago) and read 3574 times:

Quoting Dc8jet (Reply 1):
How about some more information. Just where exactly did you come up with this?

In the 1958 Jane aircraft book.


User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12138 posts, RR: 51
Reply 4, posted (8 years 6 days 13 hours ago) and read 3488 times:

Quoting Dc8jet (Reply 1):
How about some more information. Just where exactly did you come up with this?

Try this link. No, it was not a 500,000lb airplane. But, it was proposed as a C-132A and a KC-132B.

http://www.angelfire.com/wa2/c133bcargomaster/c133bdevelopment.html

BTW, it was called the "Cargomaster", a name later given to the C-133A.


User currently offline747400sp From United States of America, joined Aug 2003, 3600 posts, RR: 2
Reply 5, posted (8 years 3 days 18 hours ago) and read 3404 times:

Then I go some wrong information from the net. After looking in the 1958 Jane aircraft book about the T57 which was going to power the plane. I looked it up on yahoo and the it wass called the Globemaster III and they said it was 500000 lb. So this time it is that web site mistake for once.

User currently offlineEBJ1248650 From United States of America, joined Jun 2005, 1932 posts, RR: 1
Reply 6, posted (8 years 2 days 13 hours ago) and read 3303 times:

Quoting 747400sp (Thread starter):
four 15000 hp T57 turboprops, yes the turboprop version of the J57.

I believe the T57 was an entirely different engine and wasn't based on the J57 engine at all. It just happened to be the 57th turboprop engine given a military designation.



Dare to dream; dream big!
User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12138 posts, RR: 51
Reply 7, posted (8 years 2 days 5 hours ago) and read 3274 times:

Quoting 747400sp (Reply 5):
Then I go some wrong information from the net. After looking in the 1958 Jane aircraft book about the T57 which was going to power the plane. I looked it up on yahoo and the it wass called the Globemaster III and they said it was 500000 lb. So this time it is that web site mistake for once.

Incorrect information on the internet? Say it ain't so, Joe.


User currently offlineDw747400 From United States of America, joined Aug 2001, 1259 posts, RR: 1
Reply 8, posted (8 years 2 days 1 hour ago) and read 3252 times:

KC135, your reference site suggest a MTOW of more than 460,000 lbs with growth potential to 560,000, so it indeed sounds like a 500,000 lbs class airplane.

Now if you are talking about useful load or payload...



CFI--Certfied Freakin Idiot
User currently offlineGhostbase From United Kingdom, joined Nov 2004, 354 posts, RR: 3
Reply 9, posted (8 years 1 day 18 hours ago) and read 3221 times:

There is a photograph in Phil Chinnery's 'Desert Boneyard' book of a C-124C Globemaster II 52-1069 in MASDC which had been converted into a turbo-prop engine test bed. It had a massive conical fairing grafted to the nose which gave some idea of the size of the engines it tested in its career. Did the T-57 get as far as flight testing?

 ghost 



"I chase my dreams but I never seem to arrive"
User currently offline747400sp From United States of America, joined Aug 2003, 3600 posts, RR: 2
Reply 10, posted (8 years 21 hours ago) and read 3180 times:

Quoting EBJ1248650 (Reply 6):
I believe the T57 was an entirely different engine and wasn't based on the J57 engine at all. It just happened to be the 57th turboprop engine given a military designation.

You are right! I made a mistake the J-57 was base on the T45 not the T57. Please for give my mistake?  Smile


User currently offlineEBJ1248650 From United States of America, joined Jun 2005, 1932 posts, RR: 1
Reply 11, posted (8 years 20 hours ago) and read 3176 times:

Quoting Ghostbase (Reply 9):
There is a photograph in Phil Chinnery's 'Desert Boneyard' book of a C-124C Globemaster II 52-1069 in MASDC which had been converted into a turbo-prop engine test bed. It had a massive conical fairing grafted to the nose which gave some idea of the size of the engines it tested in its career. Did the T-57 get as far as flight testing?

While doing research for the C-124 book I wrote, which was published by Steve Ginter, I got a package of photos from Harry Gann and among them was a photo of the C-124 you mentioned, in flight with the T57 engine running. The full extent of the test program is unknown to me.



Dare to dream; dream big!
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