Tomterrific
XS650 Junkie
The problem with the 180° bent tube manometer is the fluid geting sucked into one cylinder so quickly the cylinder hydraulic locks! You don't want that. Use a jet or small orifice at the top of the tube so the liquid can't get through with any speed and fill the combustion chamber. Also, the engine should already have a crude carb balance as the manometer is for fine balance.
A simple single vacuum gauge is a nice balancer. A gauge manifold is made of inexpensive aquarium parts which opens one side and closes the other. As has been mentioned, the pulsating vacuum still needs to be damped with a small jet or adjustable orifice of some sort.
Tom Graham
A simple single vacuum gauge is a nice balancer. A gauge manifold is made of inexpensive aquarium parts which opens one side and closes the other. As has been mentioned, the pulsating vacuum still needs to be damped with a small jet or adjustable orifice of some sort.
Tom Graham