Caspar C 35

The Caspar C 35 Priwall (for the Priwall Peninsula) was a German airliner of the late 1920s, of which only a single example was built. It was a large, single-engine, single-bay biplane of conventional configuration with fixed tailskid undercarriage. The staggered, equal-span wings were braced with a large I-strut. Not only were the passengers seated within a fully enclosed cabin, but the flight deck was fully enclosed as well.

C 35 Priwall
Role Airliner
Manufacturer Caspar-Werke
Designer H Herrmann
First flight 1928
Number built 1

The sole C 35 was operated by Deutsche Luft Hansa, christened Rostock. It was destroyed in July 1930.

Specifications
Caspar C 35 3-view drawing from Le Document aéronautique November,1928

Data from Jane's all the World's Aircraft 1928[1]

General characteristics

  • Crew: 2
  • Capacity: 8 pax
  • Length: 13.27 m (43 ft 6 in)
  • Wingspan: 17.62 m (57 ft 10 in)
  • Height: 5 m (16 ft 5 in)
  • Wing area: 69 m2 (740 sq ft)
  • Empty weight: 2,530 kg (5,578 lb)
  • Gross weight: 4,300 kg (9,480 lb)
  • Powerplant: 1 × BMW VIU V-12 water-cooled piston engine, 370 kW (500 hp) / 450 kW (600 hp)
  • Propellers: 4-bladed fixed pitch wooden propeller

Performance

  • Maximum speed: 202 km/h (126 mph, 109 kn)
  • Cruise speed: 180 km/h (110 mph, 97 kn)
  • Landing speed: 90 km/h (56 mph; 49 kn)
  • Range: 1,000 km (620 mi, 540 nmi)
  • Service ceiling: 4,000 m (13,000 ft)
  • Time to altitude: 1,000 m (3,300 ft) in 5 minutes; 2,000 m (6,600 ft) in 12 minutes
  • Wing loading: 62.3 kg/m2 (12.8 lb/sq ft)
  • Power/mass: 0.0870 kW/kg (0.0529 hp/lb)

References
  1. Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. pp. 132c–133c.

Further reading
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 239.
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