| 词条 | Sablatnig P.III | |||||||||||||||
| 释义 |
The Sablatnig P.III was an airliner produced in Germany in the early 1920s.[2] DevelopmentA contemporary account identifies the P.III as Germany's first aircraft purposefully-designed as a commercial passenger plane.[1][3] It was a high-wing, strut-braced monoplane of conventional design powered by a single engine in the nose (either a 200-hp Benz, or a 260-hp Maybach).[3] Later the British 258-hp Armstrong Siddeley Puma engine was the usual power plant.[4][5] The crew of two, a pilot and a navigator or mechanic, were accommodated in separate open cockpits in tandem. These were behind the enclosed six seat passenger cabin in the center of the fuselage.[6] Passengers entered the cabin through a door directly from the ground, rather than having to climb over the side of the aircraft, or up a ladder. The P.III's cabin offered passengers the comfort of an expensive automobile.[1] The structure was of wood throughout, with the fuselage skinned in plywood.[7] The wings and horizontal stabiliser folded for storage or rail transport, and indeed, P.IIIs carried their own tent as a portable hangar.[1][8][9] Operational historyThis aircraft was one of the few approved as a civilian, not military type by the ILÜK (Interallierte Luftfahrt-Überwachungs-Kommission, Inter-allied Aviation Control Commission) for production in Germany after World War I.[10] However under the Treaty of Versailles all aircraft production was forbidden in Germany for a period of six months during the year 1920, and all existing aircraft, both military and civilian, and including aircraft built after the end of World War I, had to be either handed over to the Allied military or destroyed. As a result, Sablatnig ceased building aircraft. Apparently the existing P.IIIs were either hidden or smuggled out of Germany. 17 Sablatnig P.IIIs were registered in Germany in and after 1921. Fritz Sablatnig, the owner of the Sablatnig company, estimated total production at 30 to 40 examples, including 12 made in Estonia by Dwigatel.[11] The P.III entered service with a number of airlines in Germany and other countries, including Lloyd Luftverkehr Sablatnig, Deutsche Luft Hansa, Danish Air Express, Aeronaut, as well as with the Swiss Air Force.[2] Operators
Specifications{{aerospecs|ref=The Sablatnig P.3 Monoplane", p.525 |met or eng?=met |crew=Two, pilot and engineer |capacity=6 passengers |length m=8.94 |length ft=29 |length in=4 |span m=16.00 |span ft=52 |span in=6 |swept m= |swept ft= |swept in= |rot number= |rot dia m= |rot dia ft= |rot dia in= |dia m= |dia ft= |dia in= |width m= |width ft= |width in= |height m=3.25 |height ft=310 |height in=8 |wing area sqm=45.1 |wing area sqft=485 |swept area sqm= |swept area sqft= |rot area sqm= |rot area sqft= |volume m3= |volume ft3= |aspect ratio= |wing profile= |empty weight kg=1,400 |empty weight lb=3,080 |gross weight kg=2,250 |gross weight lb=4,950 |lift kg= |lift lb= |eng1 number=1 |eng1 type=Maybach Mb IVa |eng1 kw=190 |eng1 hp=260 |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=150 |cruise speed mph=93 |stall speed kmh=80 |stall speed mph=50 |range km=900 |range miles=560 |endurance h=6 |endurance min= |ceiling m=3800 |ceiling ft=12500 |g limits= |roll rate= |glide ratio= |climb rate ms=2.00 |climb rate ftmin= |sink rate ms= |sink rate ftmin= |armament1= |armament2= |armament3= |armament4= |armament5= |armament6= }} See also{{aircontent|see also= |related= |similar aircraft=
|lists= }} Notes1. ^1 2 3 Wagner 1987 p. 258-259 2. ^1 Taylor 1989, p.787 3. ^1 "The Sablatnig P.3 Monoplane", p.521 4. ^Wagner 1987 p. 259 5. ^{{cite book|title=Papers by Command, Volume 9|author=Great Britain. Parliament. House of Commons|page=21}} 6. ^"The Sablatnig P.3 Monoplane", p.525 7. ^"The Sablatnig P.3 Monoplane", p.523–24 8. ^"The Sablatnig P.3 Monoplane", p.524 9. ^FLIGHT page 524 10. ^Hirschel, Prem & Madelung 2004, p.56 11. ^Wagner 1987 p. 262> References{{Commons category}}
3 : Aircraft manufactured in Estonia|German airliners 1920–1929|Sablatnig aircraft |
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