Back Bone Seraph

The Back Bone Seraph (a seraph is a type of angel) is a family of French paramotors that was designed by Thierry Simonet and produced by Back Bone of Tallard for powered paragliding. Now out of production, when it was available the aircraft was supplied complete and ready-to-fly.[1]

Seraph
Role Paramotor
National origin France
Manufacturer Back Bone
Designer Thierry Simonet
Status Production completed

Design and development

The Seraph was designed to comply with the US FAR 103 Ultralight Vehicles rules as well as European regulations. It features a paraglider-style wing, single-place accommodation and a single engine in pusher configuration. The fuel tank capacity is 10 litres (2.2 imp gal; 2.6 US gal). Each model in the line is named for its metric propeller diameter.[1]

As is the case with all paramotors, take-off and landing is accomplished by foot. Inflight steering is accomplished via handles that actuate the canopy brakes, creating roll and yaw.[1]

Variants
Seraph 100
Model with a 22 hp (16 kW) RDM 100 engine in pusher configuration with a 4:1 ratio reduction drive and a 100 cm (39 in) diameter two-bladed wooden propeller. Empty weight is 17 kg (37 lb).[1]
Seraph 113
Model with a 22 hp (16 kW) RDM 100 engine in pusher configuration with a 4:1 ratio reduction drive and a 113 cm (44 in) diameter two-bladed wooden propeller. Empty weight is 18 kg (40 lb).[1]
Seraph 115
Model with a 22 hp (16 kW) RDM 100 engine in pusher configuration with a 4:1 ratio reduction drive and a 125 cm (49 in) diameter two-bladed wooden propeller. Empty weight is 19 kg (42 lb).[1]

Specifications (Seraph 100)

Data from Bertrand[1]

General characteristics

  • Crew: one
  • Empty weight: 17 kg (37 lb)
  • Fuel capacity: 10 litres (2.2 imp gal; 2.6 US gal)
  • Powerplant: 1 × RDM 100 single cylinder, two-stroke, air-cooled aircraft engine, with a 4:1 reduction drive, 16 kW (22 hp)
  • Propellers: 2-bladed, 1.00 m (3 ft 3 in) diameter

References
  1. Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 64. Pagefast Ltd, Lancaster UK, 2003. ISSN 1368-485X
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