Botín V-1

Botín V-1
	The Botín V-1 in 1949.
Role	Twin-rotor helicopter prototype
National origin	Creeperopolis
Manufacturer	Botín Aircraft Corporation
First flight	1949
Retired	1949
Status	Lone prototype destroyed
Primary user	Creeperian Air Force
Number built	1

The Botín V-1 was a Creeperian twin-engine helicopter prototype built by the Botín Aircraft Corporation.

History

The Botín V-1 was a helicopter prototype built by the Botín Aircraft Corporation for the National Council for Peace and Order. The lone prototype was destroyed before it could be captured by the Catholic Imperial Restoration Council in 1949.

General characteristics

Crew: 1
Capacity: 1-9 pax
Length: 32 ft 2 in (9.80 m)
Wingspan: 41 ft (12 m) between rotor centres
Width: 87 ft (27 m) overall with rotors turning
Gross weight: 11,000 lb (4,990 kg)
Powerplant: 2 × Ribelles V-1 VM 9-cylinder air-cooled radial piston engines, 450 hp (340 kW) each
Main rotor diameter: 2× 46–50 ft (14–15 m)
Main rotor area: 3,324 sq ft (308.8 m²) rotors of varying diameter fitted for testing

Performance

Maximum speed: 120 mph (190 km/h, 100 kn) at 5,000 ft (1,524 m)
Cruise speed: 90 mph (140 km/h, 78 kn)
Range: 300 mi (480 km, 260 nmi)
Service ceiling: 12,900 ft (3,900 m) absolute
Rate of climb: 1,300 ft/min (6.6 m/s)
Disk loading: 2.8–3.3 lb/sq ft (14–16 kg/m²) dependent on rotors fitted
Power/mass: 0.082 hp/lb (0.135 kW/kg)