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Old 02-04-2018, 05:48 PM
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Tom Vaught Tom Vaught is offline
Boost Engineer
 
Join Date: Dec 2001
Location: The United States of America
Posts: 31,303
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Here is a nice picture from a patent (for a carb that shows the relationship (in a simple sense) between a Carb Booster and a carb throat.

You will notice that IF you put the booster (nozzle) in the wrong spot you get poor fuel atomization.
It has to do with where the nozzle discharge is compared to the "SHOCK LOCATION" (click on pic to see larger view)
"Engineers do stuff for reasons"

Tom V.
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"Engineers do stuff for reasons" Tom Vaught

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