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Flaps On Prototype 707  
User currently offlineCapt.Fantastic From United States of America, joined Aug 1999, 857 posts, RR: 0
Posted (12 years 9 months 3 weeks 5 days ago) and read 2311 times:


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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4 replies: All unread, jump to last
User currently offlineTimz From United States of America, joined Sep 1999, 7228 posts, RR: 7
Reply 1, posted (12 years 9 months 3 weeks 4 days 20 hours ago) and read 2223 times:

Didn't they use it to test 727 flaps?

User currently offlineDispatch From , joined Dec 1969, posts, RR:
Reply 2, posted (12 years 9 months 3 weeks 4 days 20 hours ago) and read 2217 times:

the type is actually 367


User currently offlineIMissPiedmont From United States of America, joined May 2001, 6544 posts, RR: 29
Reply 3, posted (12 years 9 months 3 weeks 4 days 17 hours ago) and read 2157 times:

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.
User currently offlineJustplanesmart From United States of America, joined Mar 2001, 731 posts, RR: 2
Reply 4, posted (12 years 9 months 3 weeks 3 days 9 hours ago) and read 2106 times:

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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