cobra27
Posts: 939
Joined: Wed May 23, 2001 6:57 pm

777 Engine Diferences

Tue Jan 29, 2002 4:18 am

HI
Which are the the main differences (except thrust) betwen GE, PW and RR?
I flew with all of them, but i didn't find any f.... diference
 
babaero
Posts: 417
Joined: Mon Jan 28, 2002 4:39 am

RE: 777 Engine Diferences

Tue Jan 29, 2002 5:46 am

Customer preferences.
Apart from thrust,not really much to choose from.

Our Airline uses Rollers,
 
Trent_800
Posts: 136
Joined: Thu Jan 03, 2002 11:29 pm

RE: 777 Engine Diferences

Tue Jan 29, 2002 3:46 pm

Rolls Royce Use 3 Shafts on theirs as compared to the 2 shafts used on the GE & PW models
 
tsentsan
Posts: 1921
Joined: Mon Jan 28, 2002 10:48 pm

RE: 777 Engine Diferences

Tue Jan 29, 2002 9:43 pm

Trent_800,

Would that mean you'd get N1,N2,N3 on the RRs, while only N1 and N2 on the GE/PWs?
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Trent_800
Posts: 136
Joined: Thu Jan 03, 2002 11:29 pm

RE: 777 Engine Diferences

Wed Jan 30, 2002 1:19 am

Yes:- Apparently RR say that they have the Three shaft design so that each shaft can run closer to its optimum speed.
 
Klaus
Posts: 20687
Joined: Wed Jul 11, 2001 7:41 am

RE: 777 Engine Diferences

Wed Jan 30, 2002 8:09 am

Wouldn´t it also change (improve?) dynamic behaviour? (Thrust change)
 
cobra27
Posts: 939
Joined: Wed May 23, 2001 6:57 pm

RE: 777 Engine Diferences

Wed Jan 30, 2002 3:52 pm

Are RR engines more fuel efficient with three schafts
 
tsentsan
Posts: 1921
Joined: Mon Jan 28, 2002 10:48 pm

RE: 777 Engine Diferences

Wed Jan 30, 2002 10:27 pm

Well, issit true that RR breaks down (read more engine problems) than GE/PW?
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