PM From India, joined Feb 2005, 6717 posts, RR: 65 Posted (7 years 2 weeks 3 days 19 hours ago) and read 1035 times:
More sad hours spent on Excel reveals that RR came out well ahead of PW on the DC-10/MD-11/L-1011.
In so far as I had thought much about it, I suppose I had assumed that RR would be in third place. (Their habitual position, it seemed, prior to the launch of the Trent series.) In fact, there were 896 Trijets built (including the KC-10s for the USAF). Of these...
522 had GE (58%) 250 had RR (28%) 124 had PW (14%)
Perhaps more to the point, the clear winner was, of course, GE.
PM From India, joined Feb 2005, 6717 posts, RR: 65 Reply 2, posted (7 years 2 weeks 3 days 19 hours ago) and read 1011 times:
Quoting Flyabr (Reply 1): well, i don't think a rolls powerplant ever flew on a mad dog trijet, did it? and weren't all tristars built with rolls power...?
FlyABR From United States of America, joined Sep 2003, 597 posts, RR: 0 Reply 3, posted (7 years 2 weeks 3 days 19 hours ago) and read 992 times:
well, i guess then my point was, who cares? if all trijets had been offered with ge, pratt and rolls, then maybe this stat would have been more interesting. what i do find interesting is that ge clobbered pratt on the mad dogs!
PanAm747 From United States of America, joined Feb 2004, 4242 posts, RR: 10 Reply 4, posted (7 years 2 weeks 3 days 18 hours ago) and read 985 times:
Lockheed nearly went out of business on the L-1011 because of Rolls-Royce.
While Boeing and MD both made the 747 and DC-10's with engine choices, Lockheed decided that Rolls-Royce would be the ONLY supplier of engines for the L-1011.
When development costs ran over, Rolls-Royce filed for bankruptcy. The British government had to step in, and although the problems were overcome, Lockheed was sweating bullets for a LONG time.
Ironic that Pratt & Whitney, originally the premiere jet engine manufacturer, has almost completely lost the entire market.
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PM From India, joined Feb 2005, 6717 posts, RR: 65 Reply 5, posted (7 years 2 weeks 3 days 17 hours ago) and read 918 times:
Quoting PanAm747 (Reply 4): While Boeing and MD both made the 747 and DC-10's with engine choices
Initially the 747 had no choice - just JT9Ds. GE and RR options came later. Nor am I sure that PW was an option on the DC-10 right from the start. If it was then they did miserably, gaining just two customers and 42 sales out of 446.
Acidradio From United States of America, joined Mar 2001, 1855 posts, RR: 10 Reply 6, posted (7 years 2 weeks 3 days 14 hours ago) and read 870 times:
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PW was a later option on the DC-10. The aircraft only came with the GE CF6 as an option. NW and JAL essentially had MD custom-make a "DC-10-20" (kind of midway in size between a -15 and -30), call it a DC-10-40 and equip it with PW JT9D engines.
NW has extensive maintenance contracts with PW, which is one reason they tend to purchase PW engines. From what was also explained to me, the CF6 had a bunch of issues in the beginning, and NW and JAL felt that PW would be a superior powerplant. It turns out that by the time NW got their PW-powered DC-10, most, if not, all of the issues in the GE-powered DC-10's were resolved and that became the superior airframe of the two.
Ironically, NW purchased a bunch of second-hand, GE-powered DC10's for trans-Atlantic expansion, which all still fly today, while all the custom ordered PW DC10's have been in the scrapyard for a few years.
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