European Motorcycles

Binks Carburettors 1911

OCTOBER 26th, 1911.

Two new carburetters have been sent to us by Messrs. C. Binks, Ltd., Eccles, Manchester, which embody principles not usually found in such instruments. It has been found that if a body is passing

swiftly through the air the shape of the back part has a greater effect on its progress than the shape of the front, and the same naturally applies to the ease of air or gas passing through apertures, and if a carburetter can be designed in which the choke tube gradually expands beyond the jet at the proper angle, the gas will pass through with less resistance than if there are corners, etc., which set up eddies. It will be noted that these carburetters fulfil this condition when working at full throttle. The second point is the fitting

of a pilot jet for slow strong pulling and starting purposes. A slight movement of the lever opens the pilot jet. and a larger opening brings the main jet into play. The choke tube in the roadster pattern can be slightly turned round to cut off part of the air supply, but except for this the carburetter is automatic, there being no separate air control.

In the racing pattern the jet is situated a long way in rear of the float chamber; this has the effect of raising the petrol level in the jet when going up hill. The jets, six of which are supplied with each carburetter, can be changed without

dismantling the parts. The accessibility of the parts is a big point in favour of the Binks; for instance, the top of the float chamber is held in place by a spring clip, and is therefore very quickly and easily delached.

If you have a query about Binks Carburettors, or have some information to add about these vintage motorcycle components, please contact us

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