Cliff Charlesworth SF28A Tandem Falke Short Kit or Plan

SF28A Tandem Falke Short Kit or Plan


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SF28A Tandem Falke

This is a stunning scale plan of the SF28A Tandem Falke A 1/4 scale two-seat version of the SF28 motor glider, with a wingspan of 4m. for .60-.90 motors. This model also lends itself to electric power. This can be done with very little modification to the design.

SKU: LCS-CC-Plan-SF28-short-kit-plan Category:


Scheibe SF28A Tandem-Falke

The Scheibe SF 28 Tandem-Falke (German: “hawk”) is a German motorglider that was designed by Egon Scheibe in 1970 and which flew for the first time in May the following year. It was a development of the Scheibe Falke with (as its name suggests) seating in tandem rather than side-by-side as in the original Falke design.

The SF28A Tandem Falke Development

The SF 28 is a low-wing, cantilever monoplane of conventional design with a large perspex canopy. The undercarriage consists of a non-retractable monowheel and a steerable tailwheel, linked to the rudder. Small outrigger wheels are fitted to nylon legs under each wing. The fuselage is of steel tube construction, covered in fabric and the wings are constructed of wood and fabric around a single spar.

Operational history

Scheibe entered at least one Tandem-Falke in the German Motor Glider Competition of 1977. At least one SF28 was used by the Spanish military as ‘UE 16-1’ and demobilized in April 2008.

Specifications (SF 28A)

General characteristics

Crew: 1
Capacity: 1
Length: 8.1 m (26 ft 7 in)
Wingspan: 16.3 m (53 ft 6 in)
Height: 1.55 m (5 ft 1 in)
Wing area: 18.5 m2 (199 sq ft)
Aspect ratio: 14.5
Airfoil: Göttingen 533
Empty weight: 410 kg (904 lb)
Max takeoff weight: 610 kg (1,345 lb)
Powerplant: 1 × Limbach SL 1700 4-cyl. air-cooled horizontally-opposed piston engine, 49 kW (66 hp)


Maximum speed: 180 km/h (112 mph; 97 kn)
Range: 520 km (323 mi; 281 nmi)
Service ceiling: 5,000 m (16,000 ft)
Maximum glide ratio: 26:1 at 85 km/h (46 kn; 53 mph)
Rate of sink: 0.9 m/s (180 ft/min) at 69 km/h (37 kn; 43 mph)
Wing loading: 32.99 kg/m2 (6.76 lb/sq ft)


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