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Reply to "synchronizing webers with ping pong balls"

the reversion pulse puffs the ball up
assume the ball does NOT fall back in the stack
assume the idle is 1000 rpms
the duration between reversion pulses would be 0.12 seconds
in 0.12 seconds the ball falls back 2.8 inches
so the reversion needs to float the ball at least 3" above the stack

NOW, if the above works and the carbs synched to pulse the balls up the same 3", the throttle is actually setting the amount of reversion pulse backwards trough the carb, NOT synchronizing the amount of air drawing in
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