Whirlwind Mk I

Family: Westland Whirlwind
Class: Heavy fighter
Produced: 112
Changes: Twin-engined single-seat fighter with four 20 mm Hispano cannon (60-round drums); only Nos. 263 and 137 Squadrons were equipped. From summer 1942 both squadrons had racks for two bombs ('Whirlibomber').
Crew: 1
Length: 9,830 mm
Wingspan: 13,716 mm
Wing area: 23.23 m²
Empty weight: 3,769 kg
Normal takeoff weight: 4,697 kg
Internal fuel: 507 L
Engine: Rolls-Royce Peregrine I
Engines: 2
Diameter: 3,048 mm
Blades: 3
Max speed: 579 km/h
Max speed altitude: 4,572 m

Climb time

Altitude	Time, min
4,572 m	5.9
9,144 m	20.5

Distance, km	Fuel
1,287	Internal

Weapon	Count	Rounds
Hispano Mk I	4	60

Name	Armament
2 × 250 lb	250 lb GP bomb ×2
2 × 500 lb	500 lb GP bomb ×2

Jan 1941 – 29 Nov 1943