| 词条 | Morane-Saulnier BB | |||||||||||||||
| 释义 |
The Morane-Saulnier BB was a military observation aircraft produced in France during World War I for use by Britain's Royal Flying Corps.[1][2] It was a conventional single-bay biplane design with seating for the pilot and observer in tandem, open cockpits. The original order called for 150 aircraft powered by 110-hp Le Rhône 9J rotary engines, but shortages meant that most of the 94 aircraft eventually built were delivered with 80 hp Le Rhône 9C rotaries instead.[2] A water-cooled Hispano-Suiza 8A engine was trialled as an alternative in the Type BH, but this remained experimental only.[1] A production licence was sold to the Spanish company Compañía Española de Construcciones Aeronáuticas (CECA), which built twelve fitted with Hispano-Suiza engines in 1916. Operational historyThe type equipped a number of RFC and RNAS squadrons both in its original observation role and, equipped with a forward-firing Lewis gun mounted on the top wing, as a fighter.[2] Variants
Operators
Specifications (BB){{aerospecs|ref=Parmentier |met or eng?=met |crew=Two, pilot and observer |capacity= |length m=7.00 |length ft=23 |length in=0 |span m=8.65 |span ft=28 |span in=5 |height m=2.54 |height ft=8 |height in=4 |wing area sqm=23.0 |wing area sqft=247 |aspect ratio= |wing profile= |empty weight kg= |empty weight lb= |gross weight kg=750 |gross weight lb=1,650 |eng1 number=1 |eng1 type=Le Rhône 9Ja |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=147 |max speed mph=92 |max speed mach= |cruise speed kmh= |cruise speed mph= |stall speed kmh= |stall speed mph= |range km= |range miles= |endurance h= |endurance min= |ceiling m=4,000 |ceiling ft=13,000 |g limits= |roll rate= |glide ratio= |climb rate ms= |climb rate ftmin= |sink rate ms= |sink rate ftmin= |armament1=1 × flexible, rearward-firing .303 Lewis gun for observer |armament2= |armament3= |armament4= |armament5= |armament6= }}{{aircontent |see also= |related= |similar aircraft= |lists= }} Notes1. ^1 Taylor 1989, 684 2. ^1 2 "The Illustrated Encyclopedia of Aircraft", 2538 3. ^Bruce 1982, p.306. References{{commons category|Morane-Saulnier BB}}
6 : French military reconnaissance aircraft 1910–1919|Morane-Saulnier aircraft|Biplanes|Single-engined tractor aircraft|Aircraft first flown in 1915|Rotary-engined aircraft |
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