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Wright Model D

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This page is a soft redirect.Wright Model D front view on ground, Simms Station near Dayton, Ohio, 1912 #REDIRECTmw:Help:Magic words#Other
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Wright Model D
Role

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This page is a soft redirect. Observation #REDIRECTmw:Help:Magic words#Other
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National origin

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This page is a soft redirect. United States of America #REDIRECTmw:Help:Magic words#Other
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Manufacturer

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This page is a soft redirect. Wright Company #REDIRECTmw:Help:Magic words#Other
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Designer

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This page is a soft redirect. Wright Brothers #REDIRECTmw:Help:Magic words#Other
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Introduction

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This page is a soft redirect. 1912 #REDIRECTmw:Help:Magic words#Other
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Primary user

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This page is a soft redirect. United States Army #REDIRECTmw:Help:Magic words#Other
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Number built

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This page is a soft redirect. 2 #REDIRECTmw:Help:Magic words#Other
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Developed from

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This page is a soft redirect. Wright Model C #REDIRECTmw:Help:Magic words#Other
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The Wright Model D was built to sell to the United States Army for an observation aircraft. It was similar in design to the Wright Model R with a 6-60 motor. The Model D could fly 66.9 mph and climb 525 feet per minute, but its excessive landing speed discouraged the Army from ordering more.[1]

Development

The aircraft was built to fulfill a request by the United States Army for a speed scout.

Design

The single seat aircraft was made from ash and spruce wood coated with aluminum powder. It used forward mounted finlets to stabilize the aircraft. It was powered by the last six cylinder engine built by the Wright Brothers with a rubber band drive on the flywheel. The 406 cubic inch engine ran at 1,400 to 1560rpm powering two counterrotating propellers via chains.[2]

Operational history

Orville Wright considered the Model D “the easiest to control of any we have ever built” with the exception of the high landing speed. The United States Army acquired two aircraft in August 1912. One of the two was wrecked and rebuilt during trials. On May 3, 1913 the "speed scout" S.C. no 19 was accepted, and on June 6, 1913 the second aircraft was accepted. [3] Both were not flown regularly and were retired in 1914.[4]

The 1913 engine is on display at the Smithsonian National Air and Space Museum.

Specifications (Wright Model D)

Data from AFHRA

General characteristics
  • Length: Script error: No such module "convert".
  • Wingspan: Script error: No such module "convert".
  • Height: Script error: No such module "convert".
  • Wing area: Script error: No such module "convert".
  • Aspect ratio: 8.1
  • Gross weight: Script error: No such module "convert".
  • Powerplant: 1 × Wright 6-70 In Line 6 cylnder, liquid-cooled, 6.64 L (405 cu in) Bore and Stroke: 11.113 cm (4.375 in) x 11.430 cm (4.500 in) Weight (wet): 159 kg (350 lb) (5 lb/hp), Script error: No such module "convert". 1400 rpm

Performance

  • Cruise speed: Script error: No such module "convert".
  • Rate of climb: Script error: No such module "convert".
  • Wing loading: Script error: No such module "convert".

References

Notes
  1. ^ "Wright model D". Retrieved 9 November 2010. 
  2. ^ "Wright 6-70". Retrieved 6 November 2010. 
  3. ^ Roger D. Launius. Reconsidering a century of flight. 
  4. ^ Dr. Richard P. Hallion. THE WRIGHT KITES, GLIDERS, AND AIRPLANES:A REFERENCE GUIDE. 
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