Girish Mahajan (Editor)

Boeing F3B

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Wingspan
  
10 m

Length
  
7.57 m

First flight
  
February 3, 1928

Top speed
  
253 km/h

Introduced
  
August 1928

Manufacturer
  
Boeing

Boeing F3B httpsuploadwikimediaorgwikipediacommons33

The Boeing F3B was a biplane fighter and fighter bomber that served with the United States Navy from 1928 into the early 1930s.

Contents

Boeing F3B 148 amp172 Boeing F3B Multiversion Paper Models

Design and development

Boeing F3B WINGS PALETTE Boeing F3B USA

Designed by the company as its Model 74, the plane was an incremental improvement over the F2B. The Navy-designated prototype XF3B-1 still had the tapered wings of the F2B for instance, but was built as a single-float seaplane using the FB-5 undercarriage. However, the growing use of aircraft carriers took away most of the need for floating fighters, and by the time other test results had been taken into account, the production F3B-1 (Model 77) had a larger upper wing that was slightly swept back and a redesigned tail with surfaces made from corrugated aluminum. It also eliminated the spreader bar arrangement of the undercarriage and revised the vertical tail shape.

Operational history

Boeing F3B WINGS PALETTE Boeing F3B USA

It first flew on 3 February 1928, turning in a respectable performance and garnering Boeing a contract for 73 more. F3Bs served as fighter-bombers for some four years with the squadrons VF-2B aboard USS Langley, VB-2B aboard USS Saratoga (later VF-6B), and VB-1B on USS Lexington, during which period some were fitted with Townend rings and others with streamlined wheel fairings. The aircraft remained in first-line service to 1932 and were then retained as "hacks" (command and staff transports) for several more years.

Variants

Boeing F3B FileBoeing F3B Glendalejpg Wikimedia Commons
XF3B-1
(Model 74) One prototype serial number A7674
F3B-1
(Model 77) Single-seat fighter biplane for the US Navy, 73 aircraft serial numbers A7675-A7691; A7708-A7763

Operators

 United States
  • United States Navy
  • Specifications (F3B-1)

    Data from The Complete Encyclopedia of World Aircraft

    General characteristics

    Boeing F3B Boeing F3B Model 77 fighter

  • Crew: 1
  • Length: 24 ft 10 in (7.57 m)
  • Wingspan: 33 ft (10.06 m)
  • Height: 9 ft 2 in (2.79 m)
  • Wing area: 275 ft² (25.55 m²)
  • Empty weight: 2,179 lb (988 kg)
  • Max. takeoff weight: 2,945 lb (1,336 kg)
  • Powerplant: 1 × Pratt & Whitney R-1340-80 Wasp radial engine, 425 hp (317 kW)
  • Performance

  • Maximum speed: 157 mph (137 knots, 253 km/h)
  • Cruise speed: 131 mph (114 knots, 211 km/h)
  • Range: 340 mi (296 nm, 547 km)
  • Service ceiling: 21,500 ft (6,555 m)
  • Rate of climb: 2,020 ft/min (10.26 m/s)
  • Armament

  • Guns: Two 0.3 in (7.62mm) forward firing Browning machine guns in the forward fuselage
  • Bombs: Five 25 lb (11.3 kg) bombs carried under the fuselage and lower wing
  • References

    Boeing F3B Wikipedia


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