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Ripon-Bloch RB-450 Hurricane I
An Atlantean-built variant of the French Dassault MD.450 Ouragan I, the RB Hurricane I was lightly redesigned to use the Atlantean-manufactured Ripon-Bloch Gamma series centrifugal turbojet engine, as well as local avionics equipment. In terms of performance, the French and Atlantean aircraft were virtually identical.

General characteristics
Crew: One
Length: 10.73 m (35 ft 2 in)
Wingspan: 13.16 m (43 ft 2 in)
Height: 4.14 m (13 ft 7 in)
Wing area: 23.8 m² (256.2 ft²)
Aspect ratio: 7.3:1
Empty weight: 4 142 kg (9,132 lb)
Loaded weight: 7 404 kg (16,323 lb)
Max takeoff weight: 7 900 kg (17,416 lb)
Powerplant: 1 × Ripon-Bloch Gamma-18 turbojet, 17.5 kN (3,934 lbf / 1,784 kgf)

Performance
Never exceed speed: Mach 0.83
Maximum speed: 870 km/h (470 knots, 540 mph) (Mach 0.71) at sea level
Cruise speed: 725 km/h (391 knots, 450 mph)
Combat radius: 450 km (245 nm, 280 mi)
Ferry range: 920 km (500 nm, 570 mi)
Service ceiling: 13 000 m (42,650 ft)
Rate of climb: 38 m/s (7,480 ft/min)
Takeoff distance: 783 m (2,570 ft)
Landing distance: 910 m (2,985 ft)

Armament
Guns: 4 × 20 mm cannon with 140 rounds per gun
Up to 2,300 kg bombs, rockets, or drop tanks

Flight Milestones
- First Flight: January 1945 (in France as Ouragan I)
- Entered Production: September 1945 (France); November 1945 (Atlantis)
- Entry into Service: March 1946
- Out of Production: ??