| 词条 | Durand Mk V | |||||||||||||||
| 释义 |
The Durand Mk V was a two-seat sports biplane aircraft developed in the United States in the 1970s and marketed for home building. The design was distinctive due to a large negative stagger on the wings, but was otherwise conventional. The single-bay wings were braced with I-struts, and while both upper and lower wings were equipped with full-span flaps, lateral control was by spoilers on the lower wing rather than ailerons. Flight testing revealed that the aircraft was impossible to stall. The pilot and single passenger sat side by side beneath an expansive canopy, and the undercarriage was of fixed, tricycle type. Durand sold 75 sets of plans by 1987, and by that time, at least five aircraft (including the prototype) were known to be flying. By 1998 the company said 91 sets of plans had been sold and nine aircraft flown.[1] Specifications (typical){{aerospecs|ref= |met or eng?=met |crew=One pilot |capacity=1 passenger |length m=6.17 |length ft=20 |length in=3 |span m=7.47 |span ft=24 |span in=6 |height m=2.03 |height ft=6 |height in=8 |wing area sqm=13.3 |wing area sqft=144 |aspect ratio= |empty weight kg=549 |empty weight lb=1,210 |gross weight kg=834 |gross weight lb=1,840 |eng1 number=1 |eng1 type=Lycoming O-320 |eng1 kw=112 |eng1 hp=150 |max speed kmh= |max speed mph= |cruise speed kmh=217 |cruise speed mph=135 |range km=644 |range miles=400 |endurance h= |endurance min= |ceiling m=4,575 |ceiling ft=15,000 |glide ratio= |climb rate ms=6.1 |climb rate ftmin=1,200 }} References1. ^Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 146. BAI Communications, 15 July 1998. {{ISBN|0-9636409-4-1}}
External links{{Commons category|Durand Mk V}}
6 : United States sport aircraft 1970–1979|Homebuilt aircraft|Durand aircraft|Single-engined tractor aircraft|Biplanes with negative stagger|Aircraft first flown in 1978 |
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