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.

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Austin Seven & Ruby Mk 1
Production History

  • Austin Seven launched July 1921

  • Production: July 1922 to Mar 1939

  • Total production ~ 291,000

  • Ruby Mk1 manufactured: July 1934 to July 1936

  • Production in 1935: 27,000

  • Total Ruby production (all versions): ~90,000

Sources

  • The Austin Seven Source Book; Bryan Purves

  • Austin Seven Companion; The 750 Motor Club

  • Original Austin Seven; Rinsey Mills

  • Austin Seven Handbook #1182 (Aug '34)

       (courtesy of The Austin Seven Clubs Association)

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