Scheibe Super-Falke on:
[Wikipedia]
[Google]
[Amazon]
The Scheibe SF-25 Falke ( en, Falcon) is a German touring
;SF-25A Motor Falke
:First production batch with a Hirth F10A2a engine, 56 built.
;SF-25B Falke
:Improved variant with lower wing position and a 45hp Stark Stamo engine, 372 built.
;SF-25C Falke
:Same as a SF-25B but with an alternator and electric starter. Sub-variants include:
::;Falke 1700:
::::49 kW (65 hp) Limbach 1700 EA 1 IA, driving propeller at 3,450 rpm;
::;Falke 2000:
::::60 kW (80 hp) Limbach 2000 EA, driving propeller at 3,450 rpm (about 512 Limbach powered Falkes built by 1998);
::;Rotax Falke:
::::(a) 60 kW (80 hp) Rotax 912 A running at 5,800 rpm and geared down to 2,500 rpm propeller speed;
* FLIGHT MANUAL SF25
{{Scheibe aircraft 1960s German civil utility aircraft Falke Motor gliders High-wing aircraft Low-wing aircraft Single-engined tractor aircraft Aircraft first flown in 1963
motor glider
A motor glider is a fixed-wing aircraft that can be flown with or without engine power. The FAI Gliding Commission Sporting Code definition is: a fixed-wing aerodyne equipped with a means of propulsion (MoP), capable of sustained soaring flight ...
developed from the earlier Bergfalke glider by Scheibe Flugzeugbau Scheibe Flugzeugbau was a manufacturer of sailplanes and motorgliders in Germany in the second half of the 20th century. Founded by Egon Scheibe at the Munich-Riem Airport to produce his Bergfalke design in 1951,Gunston 1993, p.270 the company ha ...
. Since May 2006 the business has been run by Scheibe Aircraft GmbH.
Development
The company had produced the Motor Spatz but decided to produce a better light aircraft based on the Bergfalke glider. It had a new forward fuselage with an enclosed cockpit with two side-by-side seats and originally a Hirth F10A2a engine in the nose. It first flew in May 1963 as the SF-25A Motor Falke. After an initial batch of aircraft the wing was lowered and it was renamed as just the SF-25B Falke. A number of variants were built with various engines and the type was licence built by Sportavia-Putzer, Aeronautica Umbra (Italy), Loravia (France) andSlingsby Slingsby may refer to:
* Slingsby (surname)
* Slingsby, North Yorkshire
* Slingsby Aviation, formerly Slingsby Sailplanes, a manufacturer of gliders and other aircraft
* Slingsby Channel Slingsby Channel is a strait on the north side of Bramham Isl ...
(United Kingdom). The current model is the SF 25C. It is currently available with a choice of three engines: the Rotax 912 80 hp, the Rotax 912S
The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, ...
(100 hp) and the Rotax 914F3 (115 hp).
Variants
;SF-25A Motor Falke
:First production batch with a Hirth F10A2a engine, 56 built.
;SF-25B Falke
:Improved variant with lower wing position and a 45hp Stark Stamo engine, 372 built.
;SF-25C Falke
:Same as a SF-25B but with an alternator and electric starter. Sub-variants include:
::;Falke 1700:
::::49 kW (65 hp) Limbach 1700 EA 1 IA, driving propeller at 3,450 rpm;
::;Falke 2000:
::::60 kW (80 hp) Limbach 2000 EA, driving propeller at 3,450 rpm (about 512 Limbach powered Falkes built by 1998);
::;Rotax Falke:
::::(a) 60 kW (80 hp) Rotax 912 A running at 5,800 rpm and geared down to 2,500 rpm propeller speed; tricycle gear
Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle ...
an option (about 130 Rotax powered Falkes built by 1998), or
::::(b) 75 kW (100 hp) Rotax 912S
The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, ...
at 5,800 rpm and geared down to 2,500 rpm propeller speed, or
::::(c) 85 kW (115 hp) Rotax 914F3 at 5,800 rpm and geared down to 2,500 rpm propeller speed with 5 minute time limit; 75 kW (100 hp) continuous.
::;Falke 100PS:
::::Glider tug.
::;SF-25CS Falke
::::A SF-25C with a feathering propeller; feathering was an option with the Falke 1700, 2000, and Rotax Falke.
;SF-25D Falke
:SF-25B converted with a Limbach 1700A engine.
;SF-25E Super Falke
:A SF-25CS with extended wing, a narrow-chord vertical tail. air brakes and a raised bubble canopy, first flown in 1974.
;SF-25K K-Falke
:A SF-25C with folding wings and large canopy.
; Slinsgby T61 Falke/Slingsby Venture
:Licence built variant of the SF-25B, 76 built
Operators
; *Royal Air Force of Oman
The Royal Air Force of Oman ( ar, سلاح الجو السلطاني عمان, Silāḥ al-Jaww as-Sulṭāniy ‘Umān or RAFO) is the air arm of the Armed Forces of Oman.
History Sultan of Oman's Air Force era
The Sultan of Oman's Air Force ...
Specifications (Rotax Falke)
Byron Bay gliding club (Australia) have re-engined using a Jabiru 2200. "We get a sound 500 ft/min climb rate measured with a logger and this aircraft will take an honest 190kg pay load with 1 hour of fuel"Notes
References
* * * * FLIGHT MANUAL SF25* FLIGHT MANUAL SF25
{{Scheibe aircraft 1960s German civil utility aircraft Falke Motor gliders High-wing aircraft Low-wing aircraft Single-engined tractor aircraft Aircraft first flown in 1963