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Document title: F-35C and F-18E frontal profiles compared - F-16.net - The Ultimate F-16 Reference
Original URL: http://www.f-16.net/f-16_forum_viewtopic-t-7864-view-next-sid-15b8f276e9e3c1533e84c011ca8f9fa4.html
Printed on: 18 November 2008

Forum: F-35 Lightning II

F-35C and F-18E frontal profiles compared



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dwightlooi
PostPosted: May 12, 2007 - 12:03 AM Reply with quote Back to top
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The pictures shows (to scale) the F-35C and F-18E frontal profiles. Its amazing that there is no growth in sectional area considering that the F-35C swallows two 2500 pound and two 350 pound weapon envelopes, holds 36.6% (2,441 kg) more fuel, weighs pretty much the same and had all kind of stealth and STOVL considerations. Its a marvel of fantastic packaging that is ever more marvelous the more you look at it.



Last edited by dwightlooi on May 12, 2007 - 06:37 AM; edited 1 time in total
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habu2
PostPosted: May 11, 2007 - 10:14 PM Reply with quote Back to top
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Note also that the Hornet carries two engines internally to the -35's one.

That's not a criticism, just a comment.

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dwightlooi
PostPosted: May 11, 2007 - 10:25 PM Reply with quote Back to top
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habu2 wrote:
Note also that the Hornet carries two engines internally to the -35's one.

That's not a criticism, just a comment.


Actually, I think that going single is one of the major factors that made the package possible. With two smaller engines, you have a wider powerplant package. It also makes putting the weapon bays to each side of the engine and immediately behind the intakes impossible to do. When you can have a single engine which make essentially the same thrust (43,000 vs 2 x22,000 lbs), using the single engine configuration permits tighter packaging, greater mass efficiency and (usually) better efficiency. The downside of course is that the engine better be as reliable as you hope otherwise you are gliding home.
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johnwill
PostPosted: May 12, 2007 - 03:18 AM Reply with quote Back to top
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Assume the engines have the same reliability. Then, considering one vs. two engines in combat, one is better than two, since the twin engine airplane will have twice as many engine failures. With an engine failure in combat, you're down either way.
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sprstdlyscottsmn
PostPosted: May 12, 2007 - 03:50 AM Reply with quote Back to top
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true that, the F-35C even has a larger wing area that the Super Bug

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dwightlooi
PostPosted: May 12, 2007 - 04:00 AM Reply with quote Back to top
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sprstdlyscottsmn wrote:
true that, the F-35C even has a larger wing area that the Super Bug


F-18A/B/C/D = 400 sq-ft
F-35A/B = 460 sq-ft
F-18E/F = 500 sq-ft
F-35C = 668 sq-ft
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dwightlooi
PostPosted: May 12, 2007 - 04:38 AM Reply with quote Back to top
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Here's the F-35A vs a Rafale F2



Wing areas are

F-35A = 460 sq-ft
Rafale F2 = 492 sq-ft
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dwightlooi
PostPosted: May 12, 2007 - 05:28 AM Reply with quote Back to top
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More... F-35A vs EF Typhoon



And... F-35A vs F-22A

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Corsair1963
PostPosted: May 13, 2007 - 04:53 AM Reply with quote Back to top
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dwightlooi wrote:
More... F-35A vs EF Typhoon



And... F-35A vs F-22A





Interesting..........the F-35C vs F-22A would be closer is size! What's the wing area of both?
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dwightlooi
PostPosted: May 13, 2007 - 07:12 AM Reply with quote Back to top
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Corsair1963 wrote:

Interesting..........the F-35C vs F-22A would be closer is size! What's the wing area of both?


In terms of span, yes. But the F-35A and F-22A are both land based fighters, hence by role they are a better pair up.

In anycase the F-22A has a 840 sq-ft wing area compared to 460 sq-ft for the F-35A (or 668 sq-ft in the case of the F-35C). Now, one must understand that the convention for calculating wing area is to extend the leading and trailing edges of the wing to the center line. A large part of the "wing area" may actually be fuselage area. As such, it tends to give aircrafts with greater leading and/or trailing edge sweeps a larger "wing area", even if the size of the wing from fuselage butt line to the wing tip may be the same. This in part contribute to the huge discrepancy between the wing areas of the F-22 and F-35 -- with the F-22's wing area being 183% that of the F-35. From fuselage butt line to wing tip, the difference in size of the actually airfoil is not that great.
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