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Aviation History
1950
1950 - 0333.PDF
223 had a new-type, built-up, but rivetless, rear fuselage. TheJupiter VIIF engine was later substituted for the Jupiter VII. 8. Bulldog IIA. 1931. The markings of No. 17 Squadronwill be recognized in this picture of a Bulldog IIA, taken in 1936. The Bulldog IIA differed from its forerunners in havinga wider undercarriage, "fatter" tyre* a modified oil system, structural stiffening, ahd a redesigned ap. 9. Bulldog (Mercury III). 1%). * will be seen that theexperimental Mercary II$rengined%ullc« had a long cowling over the reduction jKarinjf, and fouilblaa* fixed-pitch airscrew. 10. Type 124 (%illdoglTwo-Seater). 1931. To Specifica-tion T.12/32, the Bristol Company developed this useful fighter trainer variant of the Bulldog. No armament was fitted?, andthe rear fuselage was redesigned with a second cockpit 11. Bulldog IIA (Danish). 1931. The Bulldog sh<one of a. batch for Denmark. As will be seen, the guns sens) were mounted lower in the fuselage than foH^erl 12. Bulldogs, IIIA. 1931. The wings pfthis ^u _„development were thick efiough -to accommodate"*tlwftiel tanks and to allow a reduction' of 7m. in the chord on the bottomwing. Other departures from former Bulldog practice included the fitting of a Mercury IVS2 geared and" supercharged engine ial type of oil tank, incor-iler was|fitted in addi- the heafe overie maximum achine wasMerc- terizedin with Townend ring cowling; aporating an oil cooler (an extS: tion) ; and single lift wires. •, 'Duniop disc wheels, which had J speed was over 200 m.p.h. 13. Bulldog HI. 1930. Th;by a little-known installation " helmeted " cowling. 14. Bulldog IIA (Aquila). 1933* Valuable^ expe^ncewith the Aquila III two-row, sleeve-valve, radial engine was gained with this adapted Bulldog. 15. Bulldog IVA. 1933. The Mk. IVA was the last of thebasic Bulldog types. The example shown had a Mercury VIS2. 16. Bulldog IVA (Finland). 1934. This late Bulldog IVmay be compared with the specimen shown above. It will be noted that a leading-edge exhaust collector is incorporated inthe engine cowling. 17. Bulldog IVA (Perseus). 1934. Powered with thePerseus iA single-row, sleeve-valve engine, and with silenced exhausts, this Bulldog flew in the 1934 S.B.A.C. Display. 18. Bullpup (Aquila). 1934. Another Bristol type toperform at the 1934 S.B.A.C. Display'was this version of the Bullpup, with Aquilla III sleeve-valve engine.
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