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Sorry if ive put this in the wrong place im thinking of selling my tapping machine as ive never used it at home, but im not sure really what these go for see attached picture, does up to M5 although i have done M6 but its not ideal

Hi All, I used to use this forum all the time until I got made redundant and it took away my facilities to make anything but I have been working on an engine I made a while ago and managed to get it running yesterday I will put up a video when I get a chance its a scaled down stirling engine.

Hi All here are a few pictures of the 4 cylinder engine I am designing I will do a more in depth build thread when I have time but thought I would add a few pic if anyone is interested. Thanks for taking the time to check out my thread. Chizz

Hi All, Couldn't resist starting my 4 Cylinder vacuum engine, this is my own design and is going to take me a while but i am so keen to see if my design will run. here are a couple of pictures below of the cylinder housing still in the billet not finished as it still need the valve location...

Hi All, Right I have got it all together now (see pics below) it feels fairly free running had a quick attempt to get it to run but no joy. but hey I always knew this would be the time consuming process. Chizz

Hi All, Just thought I would post a few pictures of the engine in progress.

Hi all I am designing and engine and probably going to incorporate a Fan in it some where or design that element into the flywheel. But my question is what is everybody's view on a Fan should it be blowing on the area you want to cool or is it better to draw the hot air away? Thanks Chizz

Hi All, Just a quick question I am designing my own 4 cylinder radial vacuum engine and just wondered has anyone come across one or seen one made before, wanted to do some research incase im going to come into problems or it doesn't work. Thanks

hi all here is my vacuum engine running a bit better than it was before increased the wick size, this is my first vacuum engine and am pleased with how it turned out. http://www.youtube.com/watch?v=vxv4tOGVCZE Chizz

Hi all i recently built a vacuum engine and have had it running but it only runs for 30 seconds or so off the burner i have made it seems to be running fine then just seems to slow down and stop. and advise would be much appreciated thanks Chizz

hi all i have been working on this vacuum engine and got it running last night and here is the vid, the timing slipped after this vid and do you think i can get it running now. oh well if it was working before i can get the timing again. just need to make a new burner and do some polishing...

got it running last night and here is the vid, the timing slipped after this vid and do you think i can get it running now. oh well if it was working before i can get the timing again. http://www.youtube.com/watch?v=h-xP6ZZtKOk

how do i link these videos

hi all I am currently making a vacuum engine and have already got loads of useful information from a few of you, but i just want to ask one more question my engine is nearly running i can see it wants to go but it is held back by something. the vacuum is formed and pulls back quite hard but...

Hi All This is going to sound silly but how do i attach pictures and videos to these messages

hi there i am building a vacuum engine for a college project and have almost got it free running the flywheel assembly sits on bronze bushes, and the cylinder is made from stainless and the piston is ali bronze. the engine turns over freely but does not look like it wants to run, ive been...