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F-16 Question

Blackbird From , joined Dec 1969, posts, RR:
Posted (4 years 4 months 6 days 17 hours ago) and read 2673 times:

What do you call the lifting surfaces on either side of the F-16's fuselage (you have the chines, which extend ahead of the wing and blend into them... rearwards you have these lateral chine like surfaces on either side of the fuselage which extend all the way to the tail which mount speedbrakes on the rear -- what do you call those?)?

Blackbird

7 replies: All unread, jump to last

F4wso From United States of America, joined Oct 2003, 974 posts, RR: 13
Reply 1, posted (4 years 4 months 6 days 11 hours ago) and read 2600 times:

Strake is what you are looking for.

A strake is: #part of a boat or ship. It is a horizontal strip of wooden planking or steel plating on the exterior hull of a vessel, running longitudinally along the vessel from the stem to the stern. #a device for controlling air flow over an aircraft or automobile (especially a racing car). ...
en.wikipedia.org/wiki/Strake

Been a while, glad to see you are still around

Gary
Cottage Grove, MN, USA

Seeking an honest week's pay for an honest day's work

Blackbird From , joined Dec 1969, posts, RR:
Reply 2, posted (4 years 4 months 6 days 11 hours ago) and read 2595 times:

F4wso,

Just to be clear (to avoid any confusion) The rear area on the sides of the fuselage that mount the speed brakes are still considered to be part of the strake?

Blackbird

ZANL188 From United States of America, joined Oct 2006, 3249 posts, RR: 0
Reply 3, posted (4 years 4 months 6 days 10 hours ago) and read 2577 times:

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Quoting Blackbird (Reply 2):
Just to be clear (to avoid any confusion) The rear area on the sides of the fuselage that mount the speed brakes are still considered to be part of the strake?

I've always heard it referred to as a boom.

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F4wso From United States of America, joined Oct 2003, 974 posts, RR: 13
Reply 4, posted (4 years 4 months 6 days 6 hours ago) and read 2527 times:

I hesitate to say how far back it goes. I based my answer on a Fighter Weapons School aerodynamics class from back in 1986. We only talked about the part forward of the wing leading edge. Knowing the term, I did a Google search for a definition to paste into my response.

Gary
Cottage Grove, MN, USA

Seeking an honest week's pay for an honest day's work

DeltaGuy From , joined Dec 1969, posts, RR:
Reply 5, posted (4 years 4 months 5 days 22 hours ago) and read 2482 times:

On the F/A-18, IIRC they are called Leading Edge Extensions, or LEX's...they run from the forward wing root all the way up to the cockpit, and are perched on when ingressing or egressing the jet. The small upright fins on these surfaces are called LEX Fences.

DeltaGuy

Spacepope From Vatican City, joined Dec 1999, 2739 posts, RR: 1
Reply 6, posted (4 years 4 months 5 days 18 hours ago) and read 2438 times:

Quoting ZANL188 (Reply 3):
I've always heard it referred to as a boom.

Same here, I guess you could call it analagous to the booms that run on the outboard sides of the engines on the F-15, where the horizontal stabilizers mount.

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Blackbird From , joined Dec 1969, posts, RR:
Reply 7, posted (4 years 4 months 4 days 19 hours ago) and read 2319 times:

ZANL188, Spacepope,

Okay, boom it is...

Blackbird

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