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A3J/A-5 And RA-5C Tail-Fairing  
User currently offlineBlackbird From , joined Dec 1969, posts, RR:
Posted (5 years 11 months 1 day 5 hours ago) and read 2063 times:

The plane has a bump between the twin engine exhausts (I am aware that there technically is a tunnel between the two engines with several fuel-tanks, and a nuclear warhead which can be carried with the idea of ejecting them all at once as a means of tossing the weapon out in flight.) which is used (among the other reason -- weapon carriage) as a fairing due to the exhausts producing entrained air to deal with this problem and reduce drag.

My question is... is this entrained-air effect present at both subsonic and supersonic speeds, or just subsonic?


Blackbird

2 replies: All unread, jump to last
 
User currently offlineBlackProjects From United Kingdom, joined Jul 2007, 756 posts, RR: 3
Reply 1, posted (5 years 11 months 19 hours ago) and read 2025 times:

http://www.bobjellison.com/RA5C_Vigilante.htm READ ME

User currently offlineBlackbird From , joined Dec 1969, posts, RR:
Reply 2, posted (5 years 11 months 8 hours ago) and read 1971 times:

BlackProjects,

I read the page... I don't recall seeing any mention of the bump's aerodynamic benefit being only for subsonic or for supersonic as well (at least the entrained air effect)


Blackbird


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