Aero engine, Clerget-Blin 9Bf, Gwynnes Ltd, Hammersmith, London, 1917.

9-cylinder radial, single-row, rotary, air-cooled, poppet-valve engine. 120mm bore x 172mm stroke (long stroke version of the 9B). Compression ratio 5.14:1. 140hp.

Gwynnes Engineering Company of Hammersmith Iron Works, Church Wharf, Chiswick, and Albert Works, Vauxhall, manufacturers of the Invincible centrifugal pump and the Albert motor car.

1920 Public company formed to acquire the business and assets of Gwynnes of Hammersmith and Chiswick, and Adam, Grimaldi and Co of Albert Works; prospectus issued[1]. Neville G. Gwynne was managing director.

1920 November. Gwynnes exhibited the Albert, a four-cylinder car with four speed gearbox, at the Motor Car Show at Olympia and the White City[2]

1921 The Albert was popular at the Scottish motor show, indicated by the number in attendance, similar to the number of Morris Oxfords and Cowleys [3].

1923 Produced the Albert and Gwynne light cars. Concessionaires included the Service Motor Co and the Service Co.

1923 January: Receiver and administrator appointed[4].

The car factory was sold by the receiver; the Hammersmith iron works, which made pumps, continued in operation.

1927 A "working arrangement" was made with William Foster and Co of Lincoln and a new company Gwynnes Pumps formed to acquire the business and assets of Gwynnes Engineering Co [5] which was in liquidation. The manufacturing work would eventually be transferred to Lincoln [6].


https://www.gracesguide.co.uk/Gwynnes_Engineering_Co

Gwynnes Engineering Co.

London, Greater London, England, United Kingdom, Europe

Branch of engineering dealing with the design, development and production of aircraft that function within the atmosphere, and their related systems.  For engineering concerned with the flight of vehicles in space, use Aerospace engineering.

Aeronautical engineering

Use this term to encompass all activities concerned with moving people and goods through the air.  For the science of flight, use Aeronautics.  For the mechanical aspects of flight, use Flight technology.  For the recreational aspects use Flying.  For the commercial aspects, use Airline industry.

Air transport

B1062 Aero engine with manual, Clerget-Blin 9Bf, metal / paper, Gwynnes Ltd, Hammersmith, London, England, 1917

Engines with the same shape as `Radial engines' but where the whole engine rotates around a stationary crankshaft, and the propeller rotates with the engine rather than the crankshaft.

Rotary radial engines

Engines that develop either shaft horsepower or thrust and incorporate design features advantageous for aircraft propulsion.

POWERHOUSE COLLECTION

Clerget-Blin aero engine made by Gwynes Ltd

Object No. B1062

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