Scheibe SF-23 Sperling
{{Short description|Two-seat German light aircraft, 1955}}
{{Use dmy dates|date=September 2020}}
| {{Infobox aircraft begin
| name=SF-23 Sperling | image=File:SCHEIBE SF-23A SPERLING D-ECAX P1.JPG | caption=SF-23A }}{{Infobox aircraft type | type=Two-seat cabin monoplane | national origin=Germany | manufacturer=Scheibe Flugzeugbau | designer= | first flight=1955 | introduced= | retired= | status= | primary user= | number built=27 | developed from= | variants with their own articles= }} |
The Scheibe SF-23 Sperling (en:Sparrow) is a 1950s German two-seat cabin monoplane.
Development
File:Scheibe SF-23A Sperling D-EBYZ Riem 30.07.65.jpg
The Sperling was the first design of powered aircraft to come from the Scheibe Flugzeugbau company which had started building gliders in 1951. The prototype first flew on 8 August 1955 and the initial production SF-23A aircraft first flew in September 1958.
The Sperling is a high-wing braced monoplane with side-by-side seating for two in an enclosed cabin. It had a fixed tailwheel landing gear and was initially powered by a {{convert|95|hp|kW|0|abbr=on}} Continental C90 piston engine. The Sperling utilizes mixed construction, the fuselage being a fabric-covered steel-tube structure and the wings being single-spar wooden structures with fabric and plywood covering. Production of the Sperling was completed in 1963.
Operation
Variants
File:G-BEDU-PICT0657-SF23C.JPG
;SF-23A
:Production variant with a {{convert|95|hp|kW|0|abbr=on}} Continental C90-12F engine, 17 built.
;SF-23B
:Production variant with a {{convert|100|hp|kW|0|abbr=on}} Continental O-200-B engine, four built.
;SF-23C
:Production variant with a {{convert|115|hp|kW|0|abbr=on}} Lycoming O-235 engine, six built.
Specifications (SF-23A)
{{Aircraft specs
|ref=Jane's All The World's Aircraft 1961–62{{Harvnb|Taylor|1961|p=85}}
|prime units?=met
|genhide=
|crew=2
|capacity=
|length m=6.20
|length ft=
|length in=
|length note=
|span m=9.87
|span ft=
|span in=
|span note=
|width note=
|height m=2.18
|height ft=
|height in=
|height note=
|wing area sqm=12.16
|wing area sqft=
|wing area note=
|aspect ratio=8:1
|airfoil=NACA 23012
|empty weight kg=460
|empty weight lb=
|empty weight note=
|gross weight kg=730
|gross weight lb=
|gross weight note=
|max takeoff weight kg=
|max takeoff weight lb=
|max takeoff weight note=
|fuel capacity={{convert|78|L|USgal impgal|abbr=on}}
|more general=
|eng1 number=1
|eng1 name=Continental C90-12F
|eng1 type=flat-four piston engine
|eng1 kw=
|eng1 hp=95
|eng1 note=
|power original=
|thrust original=
|eng1 kn-ab=
|eng1 lbf-ab=
|prop blade number=
|prop name=
|prop dia m=
|prop dia ft=
|prop dia in=
|prop note=
|perfhide=
|max speed kmh=200
|max speed mph=
|max speed kts=
|max speed note=
|max speed mach=
|cruise speed kmh=160
|cruise speed mph=
|cruise speed kts=
|cruise speed note=(60% power)
|stall speed kmh=
|stall speed mph=
|stall speed kts=
|stall speed note=
|never exceed speed kmh=250
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|minimum control speed kmh=
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|minimum control speed kts=
|minimum control speed note=
|range km=640
|range miles=
|range nmi=
|range note=
|endurance=4 hr
|ceiling m=5000
|ceiling ft=
|ceiling note=
|climb rate ms=
|climb rate ftmin=690
|climb rate note=
|more performance=
}}
{{aircontent
|see also=
|related=
|similar aircraft=
|lists=
}}
References
{{commons category|Scheibe SF 23}}
Notes
{{reflist|refs=
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Bibliography
{{refbegin}}
- {{cite book |last=Green|first=William |author2=Pollinger G |title=The Aircraft of the World|year=1965|publisher=Macdonald & Co. (Publishers) Ltd|location=London|page=79}}
- {{cite book |last=Partington|first=Dave|title=European Registers Handbook 2015|year=2015|publisher=Air-Britain (Historians) Ltd|location=Tonbridge|isbn=978-0-85130-475-5|pages= 21–46}}
- {{cite book |last=Simpson |first= R.W. |title= Airlife's General Aviation|year=1991 |publisher= Airlife Publishing|location= England |isbn=1-85310-194-X}}
- {{cite book|last=Taylor|first=John W. R.|title=Jane's All The World's Aircraft 1961–62|year=1961|publisher=Sampson Low, Marston & Company|location=London|authorlink=John W. R. Taylor}}
{{refend}}
{{Scheibe aircraft}}
Category:1950s German civil utility aircraft
Category:Single-engined tractor aircraft
Category:Aircraft first flown in 1955