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Aviation History
1928
1928 - 0605.PDF
19 JULY 5, 1928 [" FLIGHT " Photograph THE HAWKER "WOODCOCK One Bristol "Jupiter" IV Engine •» GENERAL THE " Woodcock " is the standard single-seater night fighter of the Royal Air Force. The power unit is the Bristol " Jupiter," Mk. IV, radial air-cooled engine, and the arma- ment consists of two Vickers guns, one on each side of the fuselage. This disposition prevents the flash from interfering with the pilot's vision at night. The speed range renders the machine particularly suitablefor night operations, and the cockpit is extremely comfortable. Fuselage.—The fuselage is of timber construction utilisingash longerons and spruce struts braced with high tensile steel tie rods. Provision is made for wireless receivingand transmitting apparatus and oxygen supply. The instru- ment board is neatly arranged and provision is made forcentral lighting. Wings.—The wings are of equal span and of timber con- struction. The spars are of solid spruce with widely spaced ribs braced with tie rods. The ailerons are operated by a differential gear from the bottom planes. A portion of the centre section is detachable to allow for the fitting of an extra tank of 18 gallons capacity, giving additional range if required. Tail Unit.—The elevators, fin and rudder are constructed of steel tube, and the tail plane spar is of the same material. Adjustment by means of a hand-wheel is provided from the pilot's seat. The tail skid is of steel tube with a cast-iron shoe. Engine Installation.—The " Jupiter " Mk. IV engine isinstalled on a simple steel tube structure and plate. The four main members are ball jointed at the fuselage end, fittinginto a socket on the bulkhead, a spherical cover ensuring perfect alignment. The whole unit is quickly and easilydetachable. The petrol tank is of tinned steel with 52 gallons (234 litres) capacity. Undercarriage.—The undercarriage is of steel tubes withduralumin radius rods and incorporates the oleo principle. The track is of ample width and facilitates landing. Engine Total horsepowerPropeller drive Fuel capacityFuel tanks Wing spanChord Length, o.a.Wing Area Weight, emptyService load . . Total weight . . Power Unit . . Bristol " Jupiter," Mk. IV.. . 380 b.h.p. Direct.. . 52 gallons (234 litres). In front portion of fuselagewith additional capacity in top centre section. Main Dimensions .. 32 ft. 6 in. (9-9 m.)... 6 ft. 0 in. (l-83m.). . . 26 ft. 3 in. (8-0 m.V.. 346 sq. ft. (32-2 m.2). Weights and Loadings .. 2,080 lbs. (942 kg.)... 960 lbs. (438 kg.). .. 3,040 lbs. (1,380 kg.). Performance Speed at ground level . . 143 m.p.h Speed at 10,000 ft. (3,050 m.) 138 m.p.hSpeed at 15,000 ft. (4,570 m.) 128 m.p.h Speed at 20,000 ft. (6,100 m.) 115 m.p.hLanding speed . . 47 m.p.h. Climb to 10,000 ft. (3,050 m.) 8-8 mins. Climb to 15,000 ft. (4,570 m.) 16 0 minsClimb to 20,000 ft. (6,100 m.j 27-9 mins Service ceiling . . . . 21,500 ft.Absolute ceiling . . . . 23,500 ft. Range with full load .. 3| hours. . (230 km./h.). (222 km./h.).(206 km./h.). . (185 km./h.).(75 km./h.). (6,550 m.).(7,170 m.). 553
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