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#1
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![]() wrote in message ups.com... The UK's APT (Advanced Passenger Train) of the 1970s used 6 gas turbines to power it. Never made it into service. pics of one of the turbines. http://www.apt-e.org/index/apt73.htm David That was only the experimental version, the prototype and production versions were intended to be electrically hauled. The BoBo power car design was used to build a new locomotive, the Class 91 capable of 140mph, which pulls the Inter City 225 on the East Coast main line today. Keith ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#2
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You're right - but it was still the nicest of the APTs! would look
state of the art, even today.The protype had a few things batting against it - one of which was that the turbines were built by Leyland ....this was around the same time they were churning out Princesses/Ambassadors and Allegros... David |
#3
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Before the 1963 Chrysler gas turbine car was the Rover JET-1:
http://news.bbc.co.uk/onthisday/hi/d...00/2516271.stm Rob |
#4
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#5
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![]()
B-17 with claimed gas turbine engine, WW2:
http://www.de220.com/Strange%20Stuff/TEST-80G419784.jpg Rob p.s. What was the engine? |
#6
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![]()
looks the the result of a brief but passionate affaire between a B-17
and a P-47 (P&W dbl wasp?) |
#7
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Rob Arndt wrote:
B-17 with claimed gas turbine engine, WW2: http://www.de220.com/Strange%20Stuff/TEST-80G419784.jpg Rob p.s. What was the engine? There were three B-17 airframes after the war that were given to Curtiss-Wright, GE and Allison for testing turboprops. The one in the pic is (I believe) the Wright engine, it was a 5500 hp turboprop, they'd take off on the Cyclones, start the "5th engine" and then feather all 4 Cyclones and fly on the turboprop. There's a fair write up in some of the modelers books that I have, will have to put the reference in later. One of the "5th engine" test beds actually had a jet engine mounted in the nose position with the discharge under the plane. The Wright test bed was donated to the New England Air Museum where it was severely damaged during a tornado in 1979 if I remember correctly. The airframe minus the engine mount was traded to a war bird restorer in Kissimmee, FL in exchange for the restoration of NEAM's B-25J. My understanding is that the airframe has been rebuilt and restored to original flying airworthy condition. I'll add the reference for the pics and some more info on the test beds tomorrow morning when I get home. Herb |
#8
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Herb wrote:
There were three B-17 airframes after the war that were given to Curtiss-Wright, GE and Allison for testing turboprops. The one in the pic is (I believe) the Wright engine, it was a 5500 hp turboprop, they'd take off on the Cyclones, start the "5th engine" and then feather all 4 Cyclones and fly on the turboprop. The ultimate example of that sort of testbed would have to be the C-124C (54-1069) that Pratt & Whitney used to flight test the T-57 turboprop. (The T-57 was a turboprop version of the J57 (JT-3) turbojet. It put out something like 15,000 SHP). Somewhere around here I've got a picture of it cruising along on the T-57, with all 4 recips shut down. Given that Shakey was a 2-story beast about the size of a medium-sized warehouse, it may well have been the largest single-engine airplane. (Well, sort of.) -- Pete Stickney Java Man knew nothing about coffee. |
#9
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I misspoke, which is a kind way of saying that I forgot, it was Pratt &
Whitney, Wright and Allison. The name of the book that I have for reference is the "B-17 Flying Fortress in Detail and Scale" by Alwyn T. Lloyd, part 2, the Derivatives. P&W tested the 5000 hp XT-34 turboprop, Wright the 5500 hp XT-35 (and used it to test the R-3350 radial), Allison the 3750 hp T-56 turboprop. An "Air Combat" magazine B-17 special edition dated Fall, 1985 has another pic of the P&W Fort flying on the turboprop alone and a pic of another B-17 modified for testing a pure jet in a pod under the nose. The detail and scale series are published by Aero, a division of Tab Books, and are for modelers to use making scale models. They're pretty interesting if you're a B-17 nut, like I am. Herb There were three B-17 airframes after the war that were given to Curtiss-Wright, GE and Allison for testing turboprops. The one in the pic is (I believe) the Wright engine, it was a 5500 hp turboprop, they'd take off on the Cyclones, start the "5th engine" and then feather all 4 Cyclones and fly on the turboprop. There's a fair write up in some of the modelers books that I have, will have to put the reference in later. One of the "5th engine" test beds actually had a jet engine mounted in the nose position with the discharge under the plane. The Wright test bed was donated to the New England Air Museum where it was severely damaged during a tornado in 1979 if I remember correctly. The airframe minus the engine mount was traded to a war bird restorer in Kissimmee, FL in exchange for the restoration of NEAM's B-25J. My understanding is that the airframe has been rebuilt and restored to original flying airworthy condition. I'll add the reference for the pics and some more info on the test beds tomorrow morning when I get home. Herb |
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