combatpigg

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Here is a look at the entire fuel system, if you are serious about going fast, and don't care about a throttle, then a fixed venturi is the only way to go. The venturi was made on a lathe, but I used to make them on a drill press, with a chisel or sharpened screwdriver for a cutting tool. The needle valve is from an OS .10 or .15 FSR, it has a fine thread and will control bladder pressure. The bladder is latex tubing, you use a syringe to load it with fuel. Bladder systems are more work and can be a pain, but when everything is working right, they can't be beat