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Was The B720 The Same As The B707?  
User currently offlineTACAA320 From , joined Dec 1969, posts, RR:
Posted (7 years 12 months 3 days 11 hours ago) and read 2407 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 (7 years 12 months 3 days 10 hours ago) and read 2391 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, 5534 posts, RR: 40
Reply 2, posted (7 years 12 months 3 days 9 hours ago) and read 2368 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 (7 years 12 months 3 days ago) and read 2311 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 , joined Dec 1969, posts, RR:
Reply 4, posted (7 years 12 months 2 days 19 hours ago) and read 2277 times:

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

User currently offlineCitationJet From United States of America, joined Mar 2003, 2229 posts, RR: 3
Reply 5, posted (7 years 12 months 2 days 18 hours ago) and read 2266 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; 762,763; 772.
User currently offlineMegatop From Denmark, joined May 1999, 340 posts, RR: 0
Reply 6, posted (7 years 12 months 2 days 2 hours ago) and read 2172 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, 1600 posts, RR: 52
Reply 7, posted (7 years 12 months 1 day 19 hours ago) and read 2124 times:		 Support Airliners.net - become a First Class Member!

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, 2229 posts, RR: 3
Reply 8, posted (7 years 12 months 1 day 18 hours ago) and read 2140 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; 762,763; 772.
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