G.Daniel Invent Design wrote: > Nuno, > > If you use a peristaltic pump to feed the carburettor/ injection float > then the pump revolutions will be very closely related to the fuel > usage. Normally silicon is used, however if pumping petrol then a rubber > hose would be required. OBTW peristaltic pump has tube aranged to be > held in a part circle around shaft with ballbearings etc rotating to > squeeze fluid along tube by pressing tube against(part circular) > housing. I have first hand experiance with these pumps These pumps are often used in chemical dosing apps. HOWEVER as the tubes split on a VERY regular basis I would recomend the driver wears a fireproof suit at all times ! Peter Cousens email: peter@cousens.her.forthnet.gr phone: + 3081 324450, 380534 > snailmail: Folia, Agia Fotini, Karteros, Heraklion Crete, Greece. -- Peter Cousens email: peter@cousens.her.forthnet.gr phone: + 3081 324450, 380534 snailmail: Folia, Agia Fotini, Karteros, Heraklion Crete, Greece.