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| transmission = clutch, 4-speed gearbox, propeller shaft within a torque tube, brake drum behind first universal joint〔 | wheelbase = | length = | width = | height = | weight = | predecessor = Austin 18-24 | successor = Austin 20 | sp = uk }} The Austin 30-hp is a large luxury car that was announced by British car manufacturer Austin at the Paris Salon de l'Automobile in December 1912 where its chassis only was displayed. Austin's other exhibits were two other bare chassis, 10-hp and 20-hp respectively and a 40-hp Defiance tourer. The new Austin 30 would go on to replace Austin's successful but aging 18-24 for 1914. It provided the basis for Austin's wartime armoured car. ==1913 model== The 30 hp incorporated several technical innovations including:〔Automobilism. ''The Times'', Tuesday, Dec 10, 1912; pg. 12; Issue 40078. 〕 * a torque tube encasing the propellor shaft so articulated that it can move freely with lateral movement of the back axle. * a sub-frame for the engine clutch and gearbox at two points rigidly bolted to the front cross-member but resting at its back end in a circular rubber pad borne by the middle cross-member. This is to isolate the frame and body from noise from the gearbox and vibration from the other machinery. * the brake drum is on the propellor shaft behind the universal joint, the drums and operating mechanism mounted on the forward end of the torque tube. The advantage is that the gear shaft and the front universal joint do not take the braking stresses. (By this time most manufacturers regarded transmission brakes obsolete) * the lower portion of the double elliptic springs is slung beneath the back axle. * the steering connections are in the form of pin joints rather than ball joints. In the event of breakage the joints will not come apart but the play would warn the driver without endangering car or occupants.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Austin 30 hp」の詳細全文を読む スポンサード リンク
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