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Breguet Gyroplane
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Hi,



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From Barrington Bond:



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1936 Bréguet transatlantic gyroplane concept from Stephane:



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Breguet G.20



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Breguet G-10 bomber gyroplane



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Breguet G.34 Gyroplane:



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Another gyroplane project:



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Br 1030

Power: TB 1000 A turbocompressor with 2,280 hp

Fan: two 3.2 diameter; 7,400 kg (16,300 lb) thrust

Cruise Speed: 400 km/h at 5,000 m altitude

Maximum Speed: 800 km/h were possible with the addition of a jet engine providing forward thrust

Maximum Take-off Weight: 6,000 kg (13,200 lb)

Source: http://www.aiaa.org/

 

br1030_3.gif



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A similar propulsion concept like the Br 1030 was studied with Hurel and Bertin (q.v.) in 1962. The gear retracted into the wing tips to permit the wings to house the lift fans.

Power: three probably based on the Hispano-Suiza R 800

Wing Spann: 11.6 m

Lenght: 16.66 m

Height: 6.6 m

Crew: two

Capacity: six passengers

Source: http://www.aiaa.org

 

hb12_3.gif



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Jeeps Volantes Lift + Cruise

At the end of the 1950s, the French Army showed an interest in flying vehicles for troop transports, assault and reconnaissance, but expecting them to be simpler than helicopters. 

The first project was a twin-rotor system with a pusher propeller in a ducted ring at the rear

Lift Power: two Turboméca Astazou turboshaft engines producing 400 hp each (300 kW)

Cruise Power: Solar Aircraft Company T66 (then under development by the US Navy for its flying platform designs) turboshaft provided 55 hp (41 kW) to the pusher propeller.

Total thrust: 2,300 kg (5,070 lb); 1.26 thrust to weight ratio

Propellers: pusher propeller in a ducted ring at the rear

Speed: 72 km/hr (38.9 kt)

Maximum Altitude: 1,200 m (3,900 ft)

VTOL Range: 72 km (38.9 nm) or 1 h endurance

Width: ~ 3 m

Length: ~ 5.5 m

Height: ~ 2.6 m

Empty Weight: 1,050 kg (2,315 lb)

Gross Weight: 1,820 kg (4,012 lb)

Crew: 1

Capacity: 4

 

A second project looked at using four smaller rotors in a similar application, but without the pusher. 

Lift Power: 1,250 hp (932 kW) General Electric T58

Total thrust: 2,350 kg (5,180 lb); 1.3 thrust to weight ratio

Propellers: pusher propeller in a ducted ring at the rear

Speed: 90 km/h (48.6 kt)

VTOL Range: 60 km (32.4 nm) or 40 min endurance

Width: ~ 2.5 m

Length: ~ 4.5 m

Height: ~ 2.2 m

Empty Weight: 1,105 kg (2,436 lb)

Gross Weight: 1,800 kg (3,970 lb)

Crew: 1

Capacity: 4

The two proposed designs failed to gain support by the French army due to the rapid progress of helicopters for troop transport. In addition, the difficulties of control and high rotational velocities of these type of vehicles necessitated expensive and complicated automatic stabilization devices and highly developed piloting skills.

Source: http://www.aiaa.org/

 

jeep_3.jpg

jeep2_3.jpg



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WOW!!

Thanks for all this, Aschiro!



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From Stephane:

Some more documents showing the basic G.10 as well as the G.10B bomber version and the G.10S sanitary version.



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From Les Avions Breguet.



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