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| Kingston 5 ball carbureators |
| Author |
Message |
    
Bruce
| | Posted on Wednesday, August 14, 2002 - 03:58 pm: | 
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Can someone explain the function of the "balls" on a Kingston carb- seriously ; what do they do and why are there 4;5; and 6 ball Kingston carbs. Is there any literature available on these units? |
Bill Schaller
| | Posted on Wednesday, August 14, 2002 - 04:52 pm: |
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as far as I know, they let air bypass the venturi as the engine speed goes up. without them, the mixture becomes too rich with increased speed. all three of those carbs were on model t cars, that is the place to start for info.
try http://www.mtfca.com/encyclo/C-D.htm |
Richard Day
| | Posted on Wednesday, August 14, 2002 - 06:21 pm: |
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They were also very popular early marine carburetors. The balls acted much like the air intake leather valve on the Schebler Model D of the same period. As the throttle plate opened the balls lifted to maintain the correct air fuel mix. They were a crude version of the automatic choke. These carburetors were basically intended for none throttled engines. That is engines that tended to have two speeds. Full throttle and idle as in a marine engine or a pumping engine. Most of the Kingston carburetors I am familiar with used on Ford Model Ts didn't have the ball air adjustment function as they were used in a throttling application. |
miro
| | Posted on Wednesday, August 14, 2002 - 10:58 pm: |
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The Kingston 4 ball was used on DisPro copper jacket engines and while there is a possibility of adjusting the mixture as engine speed varies (speed is controlled by timing adjustment ather than throttle) , the balls lift to allow air in, as Richard described. It's also fun to see what hapens when you've made the mixture too lean and you get a backfire.
miro |
Bruce
| | Posted on Wednesday, August 14, 2002 - 11:40 pm: |
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Thanks everyone! The model T site is helpful also. |
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