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Aviation History
1934
1934 - 0144.PDF
FLIGHT, FEBRUARY 15, 1934 A THREE-SEATER -HAWK" UILT at Reading by Phillips & Powis, Ltd., the three-seater version of their Miles " Hawk " (" Cirrus III ") has a performance as suitable for joyriding as the old and well tried " Avro 504." Mr. Miles has re-designed the standard " Hawk " fuselage to carry two passengers seated comfortably one behind the other in the rear cockpit, access to which can be obtained from deep and wide doors either side of the fuselage. The outer portions of the wing of this machine remain exactly the same as the standard " Hawk," but the centre section has been increased in span by 2 feet, thus providing something in the region of an extra 12 square feet of wing area and putting up the aspect ratio to about 7 to 1. The result has been that although only powered with a Cirrus III engine, the " Hawk " three- seater, carrying an all-up weight of 1,800 lb., has the most remarkable take-off of anything we have seen for a very long time. Not only can it be pulled off the ground after a very short run indeed, but both the angle and rate of climb are large. This " Hawk " can also be dropped on to the ground from a very coarse glide and, even without the use of brakes, the resulting landing run is very short. Characteristics like these, coupled with the fact that it is exceedingly easy to get in and out of the passenger cockpit, and that the construction of the machine is such as to preclude the possibility of the need for repairs due to ordinary wear and tear, make it a proposi- tion of outstanding merit for joyriding. When in the hands of an expert like Mr. Miles himself, this " Hawk " can be pulled off the ground very much more quickly than the figures shown in the table, and, moreover, can thereafter be held at a steep angle of climb which, although it looks exaggerated, is perfectly safe, and in that jX)sition the machine is still fully controllable. The machine is being supplied fully equipped with instruments, including compass, the new special down-turned exhaust manifold system making it quiet and pleasant to fly in, Bendix wheel brakes having differential movement con- trolled by the rudder bar and a hand lever for pulling up and parking, and, of course, it is built, as is the custom with all " Hawks," to factors considerably in excess to those required by the Air Ministry. Although Phillips & " HAWK " 3-SEATER (CIRRUS Ilia DIMENSIONS Wing area Span overall Span, wings folded Chord maximum Length overall Height Wheel track Wheels Tyres Brakes if fitted) \8li sq.ft. 35 ft. IS ft. 10 in. 6 ft. 3 in. 24 ft. 7 ft. 8 in. 7 ft. 8 in. i.) (90 H.P.) (16,86 so. m.) (10,67 'm.) (4,83 m.) (1,9 m.) (7,32 m.) (2,28 m.) (2,28 m.) Palmer Palmer 480 x 180 Bendix WEIGHTS Weight empty, inc. fixed equipment Pilot " Petrol—Tl\ gall. (102,3 lit.) Oil Pay load . . Weight loaded Disposable load Ib. 1,045 160 170 20 405 1,800 755 PERFORMANCE Maximum speed at \,000 ft. Cruising speed at 1,000 //. Landing speed normal . . Take off run normal . . Landing run with brakes ,, ,, without brakes Initial rate of climb normal 114 m.p.h. 98 m.p.h. 38 m.p.h. 80 yd. 50 yd. 80 yd. 860 ft.p.m. Ceiling Max. 18,000 ft. Service 16,000 ft. Petrol consumption Flight duration Range (can be doubled) . . 5 gall. p.h. 4, 450 miles kg- (474) (73) (77) (9)(183) (816) (342) (183 km.p.h.) (157 km.p.h.) (61 km.p.h.) (73 m.) (46 m.) (73 m.) (4,4 m.p.sec.) (5,436 m.) (4,850 m.) (23,2 lit.p.h.) \hr. (750 km.) THE NEW UNDERCARRIAGE : This view shows that the radius rod is now directly behind the compression leg, decreasing drag considerably. The view above gives a clear idea of the seating accommodation. (FLIGHT Photos.) A CLEAN FROM : Heaci-on the Hawk " is very clean, a fact which no doubt largely accounts for its exceptionalperformance and acceleration on the ground. 144
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