1935 Austin Seven Mk 1 - Specifications & Build History
Ruby Mk 1
Key Specifications
Dimensions
Overall length; 10' 6½", overall width; 4' 3", height; 5' 3"
Wheelbase; 6' 9", ground clearance; 6½", front track; 3' 4", rear; 3' 7"
Weight & Capacities
Weight; 1334 lbs
Carrying capacity; 560 lbs (4 adults).
External luggage rack capacity; 56 lbs
Engine
Four cylinder, water cooled.
Bore 2.2", stroke 3", cubic capacity 747cc.
Horsepower; 12bhp @ 2600 rpm. Standing quarter mile; 31.4 secs.
Starter
Electrical
Hand crank if required.
Gearbox
4-speed manual & reverse, mechanical clutch.
Synchromesh on 2, 3 & 4. Ball change gear lever.
Suspension
Half elliptical cross spring in front. Quarter ellipticals at rear.
Friction shock absorbers front & rear.
Brakes
Mechanical. Hand & foot brakes work all four wheels. Central brake lever.
Wheels
Wire wheels. Tyres 4.00 x 17. Spare wheel with tyre carried on boot.
Fuel Supply
5 gall tank at rear, mechanical fuel pump.
Lighting
Dynamo. 12V. Foot pedal for headlight dimming.
Other
Electric horn, speedometer. Semaphore type direction indicators.
Automatic windscreen wipers. Driving mirror.
Austin Seven & Ruby Mk 1
Production History
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Austin Seven launched July 1921
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Production: July 1922 to Mar 1939
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Total production ~ 291,000
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Ruby Mk1 manufactured: July 1934 to July 1936
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Production in 1935: 27,000
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Total Ruby production (all versions): ~90,000
Sources
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The Austin Seven Source Book; Bryan Purves
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Austin Seven Companion; The 750 Motor Club
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Original Austin Seven; Rinsey Mills
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Austin Seven Handbook #1182 (Aug '34)
(courtesy of The Austin Seven Clubs Association)
