McDonnell XP-67

1941

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McDonnell XP-67

The XP-67 bomber destroyer contract was received in September 1941 for a twin piston-engine fighter with a design top speed of 405 mph and a combat range of 2,385 statute miles. One experimental airplane was flight-tested for the Army Air Forces.

McDonnell XP-67

Specification 
 WEIGHTS
  Take-off weight11521 kg25400 lb
  Empty weight8049 kg17745 lb
 DIMENSIONS
  Wingspan16.76 m55 ft 0 in
  Length13.65 m45 ft 9 in
  Height4.80 m16 ft 9 in
  Wing area38.46 m2413.98 sq ft
 PERFORMANCE
  Max. speed652 km/h405 mph
  Cruise speed435 km/h270 mph
  Ceiling11400 m37400 ft
  Range3835 km2383 miles

3-View 
McDonnell XP-67A three-view drawing (1660 x 1150)

Comments
Klaatu83, e-mail, 27.04.2013 00:31

This airplane had one other insurmountable problem: a poor choice of engines. The Continental IX-1430 engine delivered a lower power-to-weight ratio than either the contemporary Allison V-1710 or the Rolls-Royce Merlin. That was the main reason why the engine was never placed into mass production. McDonnell claimed that this plane would exceed 470 mph, while it actually barely exceeded 400. They might have completely re-designed the plane to take different engines, but by that time the Army Air Force nobody no longer really cared.

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Sven, 19.02.2012 19:09

Its quite possible that all that blending contributed to overall drag.It certainly caused disturbed airflow over the tail surfaces to the extent that test pilots refused to spin it.Just looking at the 3 view is enough to tell you that its short of fin area.all that side area in front of the c /g and c /p needs a large emphenage.
Design of the nacelles was a problem for the prototype mossie.
As for stealth no. Same as the Horten concept, designers were seeking goals other than radar invisibility.

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Terrence I. Murphy, e-mail, 19.02.2012 16:18

That top picture of the "Moonbat" may very well be the most beautiful black and white picture of an airplane I've ever seen.It captures all the spiritual essence of flight.

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gary bailey, e-mail, 13.02.2012 06:08

BACK IN 1955 A SCALE MODEL U-CONTROL APPROX. 50" WING SPAN
WAS BUILT BY FLOYD BOGGS IN CALIF.
WISH I HAD THE PLANS FOR RC.

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Fog, e-mail, 07.01.2012 03:49

This was an intriguing looking aircraft. Resembles an even faster american-built Mosquito. Too bad it was never developed

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Scott Williams, e-mail, 02.01.2011 20:40

If anyone could direct me to a good, accurate source of information on this aircraft, including dimensions, cross-sections, etc, it would be much appreciated. I am trying to develop plans for an electric powered R /C model.

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TR6-Driver, e-mail, 26.12.2010 02:47

I agree with Speedy. There is no need for vulgarity on this site. Go to the porno sites for that!!! The XP-67 was in reality the first aircraft that employed Stealth Technology with its design. This plane is an important part of our Aviation History. I hope to do an R /C Model of this plan one day soon. Long Live Aviation!!!!

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Paul Vincent, e-mail, 15.03.2010 18:07

A comment like that is obviously an Obozo voter!
And a Reid and Pelosi bootlicker.

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John C Bontempo, e-mail, 31.12.2009 21:35

I think that you would be est advised to periodically check you comments like the one above Aero-Fox!

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Speedy, e-mail, 24.04.2009 11:56

Why do vulgar fools have to show up every where these days?

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fuck flying, 01.12.2008 16:26

yall all can suck my dick

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Aero-Fox, 11.03.2008 23:28

This aircraft had a unique exhaust-angling system designed to channel the exhaust at high speed, using it to increase thrust. The system did not work as planned, and the airframe was unstable to begin with...

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