https://en.wikipedia.org/wiki/Rohrbach_Romar

General characteristics

• Crew: 4
• Capacity: 12 pax
• Length: 22 m (72 ft 2 in)
• Wingspan: 36.9 m (121 ft 1 in)
• Height: 8.3 m (27 ft 3 in)
• Wing area: 170 m² (1,800 sq ft)
• Empty weight: 9,900 kg (21,826 lb)
• Gross weight: 19,000 kg (41,888 lb)
• Powerplant: 3 × BMW VI UZ V-12 water-cooled piston engines, 370 kW (500 hp) each -540 kW (720 hp)
• Propellers: 4-bladed fixed pitch pusher propellers

Performance

• Maximum speed: 217 km/h (135 mph; 117 kn) at 14,900 kg (32,800 lb); 208 km/h (129 mph; 112 kn) at 19,000 kg (42,000 lb)
• Cruise speed: 162 km/h (101 mph; 87 kn)
• Range: 4,000 km (2,485 mi; 2,160 nmi) with full fuel load
• Service ceiling: 4,550 m (14,930 ft) at 14,900 kg (32,800 lb); 2,800 m (9,200 ft) at 19,000 kg (42,000 lb)
• Time to altitude: 1,000 m (3,300 ft) in 4.4 minutes at 14,900 kg (32,800 lb); 1,000 m (3,300 ft) in 8.6 minutes at 19,000 kg (42,000 lb)
• Wing loading: 112 kg/m² (23 lb/sq ft)
• Power/mass: 0.084 kW/kg (0.051 hp/lb)