| 词条 | Fokker D.V | |||||||||||||||
| 释义 |
The Fokker D.V (Fokker designation M.22) was a German biplane fighter of World War I. Design and developmentAfter the disappointing performance of his D.I through D.IV, Fokker resolved to produce a smaller, lighter rotary-powered design. The new prototype, designated M.21, was a development of the earlier M.17 fighter which Fokker had produced for the Austro-Hungarian Air Service. The M.21 featured a swept back upper wing to improve pilot view. Fokker was enthusiastic about the new aircraft, which was highly maneuverable. After the addition of a modified cowling and stringers along the fuselage sides, the aircraft was designated M.22. In October 1916, Idflieg ordered the M.22 into production as the D.V. Operational historyDeliveries commenced in January 1917. Due to the low-compression Oberursel U.I, the D.V offered poor performance compared to the Albatros fighters. The D.V saw little active service and most aircraft were relegated to fighter training schools. When the Fokker Dr.I entered service in late 1917, small numbers of D.V aircraft were issued to squadrons for use as conversion trainers. Production of the D.V totaled 216 aircraft. Specifications{{aerospecs|met or eng?=met |crew=one |capacity= |length m=6.05 |length ft=19 |length in=10 |span m=8.75 |span ft=28 |span in=9 |dia m= |dia ft= |dia in= |height m=2.30 |height ft=7 |height in=6 |wing area sqm=15.5 |wing area sqft=167 |rot area sqm= |rot area sqft= |aspect ratio= |empty weight kg=363 |empty weight lb=800 |gross weight kg=566 |gross weight lb=1,248 |eng1 number=1 |eng1 type=Oberursel U.I rotary |eng1 kw=82 |eng1 hp=110 |eng1 kn= |eng1 lbf= |eng1 kn-ab= |eng1 lbf-ab= |eng2 number= |eng2 type= |eng2 kw= |eng2 hp= |eng2 kn= |eng2 lbf= |eng2 kn-ab= |eng2 lbf-ab= |max speed kmh=170 |max speed mph=106 |max speed mach= |cruise speed kmh= |cruise speed mph= |range km=240 |range miles=149 |endurance h= |endurance min= |ceiling m=3,900 |ceiling ft=12,795 |glide ratio= |climb rate ms=2.6 |climb rate ftmin=520 |sink rate ms= |sink rate ftmin= |armament1=1 × 7.92 mm (.312 in) LMG 08/15 machine gun |armament2= |armament3= |armament4= |armament5= |armament6= }}{{aircontent |related= |similar aircraft= |lists= |see also= }} References{{commons category|Fokker D.V}}Bibliography{{refbegin}}
4 : German fighter aircraft 1910–1919|Fokker aircraft|Rotary-engined aircraft|Biplanes |
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