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Was The B720 The Same As The B707?  
User currently offlineTACAA320 From , joined Dec 1969, posts, RR:
Posted (9 years 4 months 4 days 9 hours ago) and read 2931 times:

Hi,

I just saw a picture of an old Eastern Airlines's B720 [unfortunately gone] and it looks like almost equal than the B707.

Were [are] they "basically" the same aircraft?

Thanks in advance for all your answers.

8 replies: All unread, jump to last
 
User currently offlineLHB727230Adv From Germany, joined Mar 2005, 255 posts, RR: 0
Reply 1, posted (9 years 4 months 4 days 8 hours ago) and read 2915 times:

As far as I know, the 720 was a derivative of the 707 with less range and a shorter fuselage. Please correct me if I'm wrong.

Cheers,
Alex  bigthumbsup 


User currently offlineZRH From Switzerland, joined Nov 1999, 5568 posts, RR: 35
Reply 2, posted (9 years 4 months 4 days 7 hours ago) and read 2892 times:

The B 720 had a shorter fuselage than the 707. I was lucky to fly one in 1976 in South Africa. I think it was from Jo'burg to Victoria Falls (former Rhodesia)

User currently offlineFBU 4EVER! From Norway, joined Jan 2001, 998 posts, RR: 7
Reply 3, posted (9 years 4 months 3 days 22 hours ago) and read 2835 times:

The wing was also a slightly different design.More like the KC-135 (Model 717) wing.


"Luck and superstition wins all the time"!
User currently offlineBully707 From Germany, joined Jan 2005, 1037 posts, RR: 0
Reply 4, posted (9 years 4 months 3 days 16 hours ago) and read 2801 times:
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The B720 was designed to counter the Convair 990 ...

Fuselage on the 707-100 and 720 were the same (if memeory serves...)
The wings however were totally different, to allow for a higher cruise-speed.

They were swept back more than on the "standart" 707....

If I mixed things up...(which I hope not..) sorry!!!

Godspeed

Bully



"That's the good thing about the 707...it can do anything, but read!" Joe Patroni, Airport '70
User currently offlineCitationJet From United States of America, joined Mar 2003, 2438 posts, RR: 3
Reply 5, posted (9 years 4 months 3 days 16 hours ago) and read 2790 times:

There is a similar thread in Civil Aviation forum that you may want to check out.
http://www.airliners.net/discussions...eneral_aviation/read.main/2126427/

Also, doing a Search using "707 720" I found the following threads:

http://www.airliners.net/discussions/tech_ops/read.main/70257/ with 33 replies

http://www.airliners.net/discussions...eneral_aviation/read.main/1721344/

http://www.airliners.net/discussions...eral_aviation/read.main/1387769/4/

http://www.airliners.net/discussions...eral_aviation/read.main/1342587/4/

http://www.airliners.net/discussions...neral_aviation/read.main/773278/6/

.


.

[Edited 2005-05-22 19:50:10]


Boeing Flown: 701,702,703;717;720;721,722;731,732,733,734,735,737,738,739;741,742,743,744,747SP;752,753;762,763;772,773.
User currently offlineMegatop From Denmark, joined May 1999, 348 posts, RR: 0
Reply 6, posted (9 years 4 months 3 days ago) and read 2696 times:

All in all, I have 8 takeoff/landings on B720B. 6 in 1983 with danish charter airline Conair, 2 in 1985 (Danish charter airline Conair) and 2 in 1990 with Kenya Airways. But 0 in a real B707.

I know that the B720 have been called B707-020 in its very early days. So where can I fly a really B707 ?

Regards

Megatop


User currently offlineAeroWeanie From United States of America, joined Dec 2004, 1609 posts, RR: 52
Reply 7, posted (9 years 4 months 2 days 17 hours ago) and read 2648 times:
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Quoting FBU 4EVER! (Reply 3):
The wing was also a slightly different design.More like the KC-135 (Model 717) wing.

The KC-135, 707-120 and 367-80 shared a common wing. The 720's inboard wing had a leading edge glove that improved the high Mach number drag. The 707-320 wing had a root plug added, along with a new leading edge.


User currently offlineCitationJet From United States of America, joined Mar 2003, 2438 posts, RR: 3
Reply 8, posted (9 years 4 months 2 days 16 hours ago) and read 2664 times:

This site has more detail on the 707 & 720 than you will ever want to know...

http://www.diecastaircraftforum.com/showthread.php?t=21531



Boeing Flown: 701,702,703;717;720;721,722;731,732,733,734,735,737,738,739;741,742,743,744,747SP;752,753;762,763;772,773.
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