robertXX wrote:
https://www.youtube.com/watch?v=rsBDW-5aZNU
https://www.youtube.com/watch?v=x0hdoMj1lDUlittle bit more progress ...throttle response seems good ,however , i am getting low on lpg ,is there a hose available to fill the tank from a red bottle or from another autogas tank ?
Haven't seen the vids yet, will view later... I'd better do some work today! You really need a pump to shift gas from one tank to another but it can be decanted from one tank to another if the feeding tank is hotter than the receiver. Also bare in mind that the fill valve on the receiver tank should have a one way valve that takes a fair bit of difference in pressure to make open (in the tank valve itself, besides the one way valve in the bayonet fitting). It might be easier to decant via the receiver's outlet (to engine) valve rather than through the fill port, the solenoid outlet port allows excess pipe pressure to flow back into the tank even with the solenoid closed (so another one way valve only this one allows flow the opposite way) but again this will need a fair difference in pressure to make open, but you can make this one stay open to allow flow either way by powering the solenoid. Without a pump you probably won't shift much gas decanting, it relies on the pressure difference but if temperature in the feeder and receiver are the same they will have equal pressure regardless of there being one litre of liquid in the tank or half a tank full - putting warm gas into a cold tank soon warms the cold tank evening the pressure. Decnating might work better if you had an industrial scale cold store you could drive the vehicle into while keeping the filling tank in an adjacent heated swimming pool

TinleyTech can sell you the bits to make a hose. Depending on how you intend to do it this could be inexpensive or very expensive (if you were to get something resembling a fill gun to connect to the filler valve).
Simon
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