Capt.Fantastic
Topic Author
Posts: 837
Joined: Thu Aug 12, 1999 4:01 am

Flaps On Prototype 707

Mon Aug 11, 2003 3:59 am

Hello:

In the recent photos of the Boeing 387, it appears that the trailing edge flaps are not the original type on the model. If I recall correctly (from old footage and photos from the 1950's), the trailing edge the 387's wing had a similar design to that of the production model 707. Was the wing reconfigured and if so, why?


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timz
Posts: 6224
Joined: Fri Sep 17, 1999 7:43 am

RE: Flaps On Prototype 707

Mon Aug 11, 2003 7:54 am

Didn't they use it to test 727 flaps?
 
dispatch
Posts: 368
Joined: Fri Jun 10, 2011 8:14 pm

RE: Flaps On Prototype 707

Mon Aug 11, 2003 7:56 am

Captain,
the type is actually 367

Peter
 
IMissPiedmont
Posts: 6200
Joined: Wed May 23, 2001 12:58 pm

RE: Flaps On Prototype 707

Mon Aug 11, 2003 10:51 am

The 367-80 was indeed reconfigured with the later flaps as seen on 727s.
The day you stop learning is the day you should die.
 
justplanesmart
Posts: 680
Joined: Thu Mar 15, 2001 3:25 pm

RE: Flaps On Prototype 707

Tue Aug 12, 2003 7:05 pm

The 367-80 has been modified several times to test various things. It did have triple-slotted flaps like those on the 727 at one point. Later it had a cofiguration known as "blown flaps" for another test. It has also had different landing gear to test landing on unpaved strips, a fifth engine mounted on the aft fuselage (also a test for the 727), and its original JT3C engines replaced by the JT3D's seen in the picture. At one point Boeing referred to it as "the most modified aircraft."
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