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词条 Schoettler I
释义

  1. Design and development

  2. Specifications

  3. References

name=Schoettler I image=SchoettlerB.tif caption=

}}{{Infobox Aircraft Type

 type=Two seat biplane national origin=China manufacturer= designer=F.L. Schoettler first flight=Summer 1923 introduced= retired= status= primary user= more users= produced= number built= program cost= unit cost= developed from= variants with their own articles=
}}

The Schoettler I was one of the first aircraft constructed in China, albeit with a German designer. It was a two-seat, single engine biplane, first flown in mid-summer 1923.

Design and development

In late 1923 Flight reported on what was claimed to be the first successful aircraft constructed in China. It was designed by the German engineer Leopold Carl Ferdinand Friedrich Schoettler (born April 7, 1881 in Bruchhausen-Vilsen, Germany; died September 27, 1948) but the only major components imported from Europe were the engine, instruments, wheels and dope for the fabric covering; everything else was locally produced from local materials by workers without aviation experience or modern machinery. Work on it began in the summer of 1922.

The Schoettler I was a conventional European style two seat tractor biplane, rather similar to the German Aviatik B.II and Albatros B.II designs, with equal span two bay wings. These were mounted with 2° of dihedral and 597 mm, almost 2 ft, of stagger. The gap between the upper and lower planes was {{convert|66|in|mm|abbr=on|0|disp=flip}}, maintained by parallel pairs of aerofoil section struts and wire bracing. The unswept wings had a constant chord of {{convert|63|in|mm|abbr=on|0|disp=flip}} with blunt wing tips and ailerons on both upper and lower planes. The Schoettler's empennage was also conventional.

The fuselage was likewise a standard rectangular section wooden girder structure, fabric covered except around the engine and a wood upper decking around the open, tandem cockpits for pilot and for the observer, who sat under the wing trailing edge. It tapered to a knife-edge at the tail. At the front the {{convert|160|hp|kW|abbr=on|0}} Mercedes water-cooled upright inline engine was enclosed in a rectangular cross-section metal cowling which tapered vertically, exposing the upper cylinders, to a two blade propeller. At the rear of the housing an external radiator, with shutters for engine temperature control, projected on each side. The Schoettler had a conventional fixed undercarriage, with the mainwheels on a rigid axle mounted on V-struts.

Flight does not report a first flight date, but this was on or before 23 July 1923 when the Schoettler was test flown by an ex-RAF pilot, W.E. Holland. The latter reported good handling and an excellent, 360°, field of view for the observer noting the aircraft's potential for development. More recent articles claim the first flight by a Chinese built aircraft was that of the Xianyi Rosamonde (or Dashatou Rosamonde) on 12 July 1923, though without mention of the Schoettler;[5][6] the two aircraft were evidently close contemporaries.

Specifications

{{Aircraft specs
|ref=Flight, 1 November 1923
|prime units?=met


|genhide=
|capacity=Two
|length ft=27
|length in=4.75
|length note=
|span ft=39
|span in=6
|span note=
|height ft=10
|height in=3
|height note=
|wing area sqft=401.75
|wing area note=
|aspect ratio=
|airfoil=
|empty weight lb=1634
|empty weight note=
|gross weight lb=2558
|gross weight note=
|max takeoff weight kg=
|max takeoff weight lb=
|max takeoff weight note=
|fuel capacity=
|more general=


|eng1 number=1
|eng1 name=Mercedes
|eng1 type=
|eng1 hp=160
|eng1 note=
|power original=
|more power=
|prop blade number=2
|prop name=
|prop dia m=
|prop dia ft=
|prop dia in=
|prop dia note=


|perfhide=
|max speed mph=128
|max speed note=at 1,000 ft (305 m)
|cruise speed mph=98
|cruise speed note=
|stall speed mph=45
|stall speed note=
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|minimum control speed kmh=
|minimum control speed mph=
|minimum control speed kts=
|minimum control speed note=
|range km=
|range miles=
|range nmi=
|range note=
|endurance=4.5 h
|ceiling m=
|ceiling ft=
|ceiling note=
|g limits=
|roll rate=
|glide ratio=
|climb rate ms=
|climb rate ftmin=
|climb rate note=
|time to altitude=
|wing loading lb/sqft=6.3
|wing loading note=
|power/mass=0.063 hp/lb (103 W/kg)
|thrust/weight=
|more performance=


|armament=
|guns=
|bombs=
}}{{aircontent
|see also=
|related=
|similar aircraft=
|lists=
}}

References

{{commons category|Schoettler I}}
1. ^1 {{cite web |url=http://wiki.scramble.nl/index.php/Xianyi_Rosamonde|title=Xianyi Rosamonde |author= |work= |publisher= |accessdate=17 April 2013}}
2. ^1 {{cite web |url=http://www.baike.com/wiki/%E4%B9%90%E5%A3%AB%E6%96%87%E4%B8%80%E5%8F%B7|title=Dulux No.1 (in Chinese) |accessdate=17 April 2013}}
[1][2]
}}

3 : Biplanes|Single-engined tractor aircraft|Chinese aircraft 1920–1929
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