justinlee
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First Flight Of China's New Stealth Fighter J-31!

Wed Oct 31, 2012 8:37 pm











[Edited 2012-10-31 13:38:36]
 
sweair
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RE: First Flight Of China's New Stealth Fighter J-31!

Wed Oct 31, 2012 9:14 pm

Looks a lot like a F35/F22 mix?
 
L-188
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RE: First Flight Of China's New Stealth Fighter J-31!

Thu Nov 01, 2012 7:33 pm

Is it just me or is the escorting SU still in priner?
OBAMA-WORST PRESIDENT EVER....Even SKOORB would be better.
 
BO__einG
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RE: First Flight Of China's New Stealth Fighter J-31!

Wed Nov 07, 2012 7:26 pm

looks suspiciously similar to the Raptor. I would not be surprised if they copied some design elements from it, I wonder how??  
Otherwise it looks pretty sick and a worthy contender for a next gen fighter.
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justinlee
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RE: First Flight Of China's New Stealth Fighter J-31!

Thu Nov 08, 2012 6:17 am

Quoting BO__einG (Reply 3):

I would say it's a twin-egine F-35 instead of a Raptor  
 
ThePointblank
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RE: First Flight Of China's New Stealth Fighter J-31!

Thu Nov 08, 2012 7:58 am

Quoting BO__einG (Reply 3):
looks suspiciously similar to the Raptor. I would not be surprised if they copied some design elements from it, I wonder how??
Otherwise it looks pretty sick and a worthy contender for a next gen fighter.

Not likely. It is more likely that the Chinese simply don't have a sufficiently powerful enough engine to make this a single engined aircraft.
 
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moo
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RE: First Flight Of China's New Stealth Fighter J-31!

Thu Nov 08, 2012 12:34 pm

Quoting ThePointblank (Reply 5):
Not likely. It is more likely that the Chinese simply don't have a sufficiently powerful enough engine to make this a single engined aircraft.

While a distinct possibility, its more likely that they just didn't have the design requirements that limited the airframe to a single engine - remember that the F-35 started out a STOVL design and became three variants from that (the F-35B begat the A and C variants), with the single engine requirement stemming from the STOVL limitations. Without a STOVL requirement, it makes more sense to have two engines for carrier operations (which this airframe is likely to be orientated toward).
 
Oroka
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RE: First Flight Of China's New Stealth Fighter J-31!

Thu Nov 08, 2012 6:08 pm

Quoting moo (Reply 6):
the F-35 started out a STOVL design

It would probably be a real pain to connect 2 engines to a lift fan transmission. From what I read, Lockheed bought technical info from Russia from the YAK-141 for the lift nozzle. 2 engines would again complicate things. A single engine was pretty much mandatory for the F-35B, thus the remainder of the fleet for commonality. The F-35 also got its hunch back because the F-35B needed the engine to be farther forward to connect to the lift fan transmission to avoid a drive shaft. You remove the Bravo influences on the F-35 it would probably look a lot like the Chinese offering.
 
Eagleboy
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RE: First Flight Of China's New Stealth Fighter J-31!

Fri Nov 09, 2012 11:53 am

Quoting moo (Reply 6):
remember that the F-35 started out a STOVL design and became three variants from that (the F-35B begat the A and C variants),
Quoting Oroka (Reply 7):
The F-35 also got its hunch back because the F-35B needed the engine to be farther forward to connect to the lift fan transmission to avoid a drive shaft. You remove the Bravo influences on the F-35 it would probably look a lot like the Chinese offering.

Ah the problems inherent in designing a 'multi role, multi variant' aircraft.
 
Oroka
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RE: First Flight Of China's New Stealth Fighter J-31!

Fri Nov 09, 2012 2:22 pm

Quoting EagleBoy (Reply 8):
Ah the problems inherent in designing a 'multi role, multi variant' aircraft.

Still cheaper than developing 3 different aircraft at once.
 
Kiwirob
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RE: First Flight Of China's New Stealth Fighter J-31!

Fri Nov 09, 2012 5:53 pm

Quoting Oroka (Reply 9):

Still cheaper than developing 3 different aircraft at once.

But is it really?
 
silentbob
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RE: First Flight Of China's New Stealth Fighter J-31!

Fri Nov 09, 2012 6:07 pm

Quoting Oroka (Reply 9):
Still cheaper than developing 3 different aircraft at once.

Not if the R&D is shared among the programs.
 
Oroka
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RE: First Flight Of China's New Stealth Fighter J-31!

Fri Nov 09, 2012 11:26 pm

Quoting KiwiRob (Reply 10):
But is it really?

Point out one new fighter program that was not ridiculously expensive. I can. F/A-18EF, but that wasnt really a new fighter. Every current program has been in the works for better part of 20 years. Based on aircraft development trends, all three programs would be way over budget, behind schedule, and having teething issues. So instead of one troubled program, there will be 3.

Quoting silentbob (Reply 11):
Not if the R&D is shared among the programs.

lol, the F-35 is the biggest sharing of R&D ever. 3 programs using as much common resources, hardware, and research as possible.

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