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Hi All I have blown one of the TIM 6 circuit boards on my 5 cylinder radial. Can any one tell me the part number of the hall effect transistor I need , I cant find a number on the item its self. Thanks Brian. H

I am trying to find a circuit for a strobe that is triggered by vibration. possibly a pizio sensor. I intend to use this to ascertain the direction of the unbalance in a radial engine by driving the crank with my mill and measuring the displacement of the casing. the build of this engine is only...

Time to be thinking of the next engine, so after lots of doodling on scraps of paper and the computer I have come up with this offering. Five cylinders 25mm bore X 28 mm stroke. with overhead camshaft Must be able to be made on a 7X12 and a small mill. I think this will keep me occupied...

As I am a new member on this forum forgive me if I get things wrong. This engine is to be a scratch build and I am in the process of doing some doodles for the basic layout. this is going to be a long haul. Brian.

Hi all I am a 73 year old retired diesel engineer from the UK now living in Sicily and enjoying the sun ( when it shines). set up my small shop 7 years ago and have made a few clocks and a wobbler. Now I am setting my sights higher and planing a small horizontal gas engine from bar stock. so...