Carb calculations
Thread Starter
Virgin
Joined: Nov 2006
Posts: 4
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From: Belfast
Carb calculations
Hi, I now know how to size up an american carb to a engine using the following formula-
CFM = ((Cubic Inch Capacity x Max RPM)/3456 x VE%)
where VE% + amount of air used by engine (Usually 100% so VE% = 1)
But my question is how do you convert the likes of a Weber 45 DCOE into CFM's just as a comparison, or vice versa.
Hope you can Help.
CFM = ((Cubic Inch Capacity x Max RPM)/3456 x VE%)
where VE% + amount of air used by engine (Usually 100% so VE% = 1)
But my question is how do you convert the likes of a Weber 45 DCOE into CFM's just as a comparison, or vice versa.
Hope you can Help.
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