| 词条 | Wittemann-Lewis Training Tractor | |||||||||||||||||
| 释义 |
The Wittemann-Lewis Training Tractor (sometimes referred to as the T-T) is an American two-seat military training biplane designed and built by the Wittemann-Lewis Aircraft Company.[1] DesignThe Training Tractor was designed as a military training biplane, a conventional tractor biplane with two-open cockpits in tandem.[1] It had a square section fuselage and a conventional landing gear with a tailskid.[1] The Training Tractor was powered by a {{convert|70|hp|kW|0|abbr=on}} Hall-Scott A-7 engine mounted in the nose.[1] It was not ordered into production. Specifications{{Refimprove|section|date=April 2017}}{{aerospecs|ref= |met or eng?=eng |genhide= |crew=2 |capacity= |length m=8.28 |length ft=27 |length in=2 |span m=12.8 |span ft=42 |span in=0 |height m=3.52 |height ft=11 |height in=6 1/2 |wing area sqm=27.9 |wing area sqft=400 |empty weight kg=708 |empty weight lb=1560 |gross weight kg=982 |gross weight lb=2165 |eng1 number=1 |eng1 type=Hall-Scott A-7 |eng1 kw=52 |eng1 hp=70 |eng2 number= |eng2 type= |perfhide= |max speed kmh=119 |max speed mph=74 |stall speed kmh=61 |stall speed mph=38 |range km= |range miles= |endurance h=3 |endurance min=0 |ceiling m= |ceiling ft= |climb rate ms=1.5 |climb rate ftmin=300 }}{{aircontent |see also= |related= |similar aircraft= |lists= }} ReferencesNotes1. ^1 2 3 4 {{cite journal | title=The Witteman-Lewis Training Tractor | journal= Flight | page= 246| date= 15 March 1917 |url=http://www.flightglobal.com/pdfarchive/view/1917/1917%20-%200246.html}} [1]}}{{refbegin}}{{refend}}{{Aero-1910s-stub}} 5 : United States military trainer aircraft 1910–1919|Wittemann-Lewis aircraft|Single-engined tractor aircraft|Biplanes|Aircraft first flown in 1918 |
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