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Tip Jet

Single bladed rotor transporter studied in 1955-56. Rotor: 40 m (diameter) single-bladed. The rotor could then be stopped and retracted, flush with the upper fuselage surface for cruise. Capacity: 30 seats

P 109

Tip Jet

Designconcept by Karl Stöckel in 1955 for a fighter/interceptor with a composite propulsion system using a rocket and ramjet. Power: rocket and ramjet Maximum rate of climb: 333 m/s Maximum Take-off Weight: 7,000 kg (15,400 lb)

Bo 46

Rotor

Early concept for the Bo 46 compound. Bo 46 with an additional propulsion engine under the fuselage, tandem position of the seats, and a tail rotor with louvers that could be closed in high-speed flight. 3-side-view

Bo 87/2 (Bo 46)

Rotor

Designed January 1959 Power: single T58 with 1,014 hp (756 kW) Lift-Rotor: 9.6 m (diameter) Cruise-Propellers: two 2.3 m (diameter) Length: 9.2 m Height: 2.75 m 3-side-view

Bo 310

Tip Jet

Presented 1963 at the Paris - Le Bourget Aerosalon Power: two Lycoming T55 turboshaft engines (each with 3,400 hp) Rotors: two swiveling rotors, each with a diameter of 13.20 m (43.3 ft) Cruise Speed: 500 km/h (270 kt) Range: 700 km (380 nm) Width: 22.45 m (73.7 ft) Length: 18.30 m (60 ft) Height:6.45 m (21.1 ft) Fuselage: 2.30 m (7.5 ft) diameter Maximum Take-off Weight: 10 t (22,050 lb) Capacity: 24 seat 3-side-view

Tip Jet

Tip Jet

Commuter helicopter with ducted propellers on the fuselage. Power: two T64 engines Cruise Speed: 500 km/h (270 kt) Range: 1000 km (540 nm) Capacity: 26 seat

Tip Jet

Downsized Bo 310.

Sources:
• The V/STOL Encyclopedia Series: Volume 1 Germany 16 July 2001.