Fritsz
Topic Author
Posts: 25
Joined: Fri Mar 09, 2001 5:08 am

Engine Nr. 1 Boeing 707

Sun Jan 18, 2004 9:58 pm

Can anyone tell me why engine nr.1 of a Boeing 707 is mounted to the wing
with a different kind of bracket then the other 3 engines ?

Thanks,

Fritsz.

Birds are good, but planes are better...
 
cedarjet
Posts: 8101
Joined: Mon May 24, 1999 1:12 am

RE: Engine Nr. 1 Boeing 707

Sun Jan 18, 2004 10:17 pm

The engine mounts basically do the same thing structurally but above the engine intakes are small inlets for cabin pressurisation and other air-driven supplementary systems. On some aircraft these are only fitted on engines 2, 3 and 4 (or engines 2 and 3 only on some 720Bs).

I'm sure there are tonnes of photos in the database that will support and / or undermine my point. Hope it helps.
fly Saha Air 707s daily from Tehran's downtown Mehrabad to Mashhad, Kish Island and Ahwaz

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