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Hello Brian, Picked up a link to your 3 ball governor which I like very much for a motor I am developing. Printed out the whole series that was on HMEM. It appears that there could have been further development on this classy unit. I would like to build in metric, have you any sort of plans for...

Hello All, I am contemplating the build of an old horizontal engine model, gas fired between 100 and 200 rev p/m. Does anyone have knowledge that could help me with mainly combustion chamber and/or valve arrangements. I am looking at building this engine from materials other than...

Hi all, I am sure the chinese are hopeless, they sell you an item and no instructions on using it. Can anyone help me to obtain knowledge of using the LED 2004 keyboard please Norm

I have built two demand valves of Jerry Howell design using the Tecumseh parts and both have leaks from the needle, not around the seat. Can someone throw light on this problem please. Norm

I have made an lpg demand valve using plans from J E Howell. The valve kit comes in pieces and not assembled. In this kit is a soft material seat for the valve. The seat has a groove on one side and a flat on the other. Could someone please advise me as to the correct placement of this seat and...

I have just finished building a demand valve designed by jerry howell, but find in Australia , there is very limited supply of lpg equipment for this application. I need a regulator to control 2 to 4 psi and a design for an effective carburettor to suit a 1" bore and 2" stroke engine . Rpm...

Can anyone please give me the most worthwhile data on tolerances on the grove to use a viton o-ring for compression ring in a petrol engine. O-ring size is 27mm id and 2.5mm section. Thank you all for an enjoyable and informative forum. This information should be able to give me the answer to...