hollywoodfoundry Posted December 3, 2011 Share Posted December 3, 2011 My apologies if this has been raised before, but a fascinating piece of work nonetheless http://www.wimp.com/tiniestengine/ Link to post Share on other sites More sharing options...
Michael Delamar Posted December 3, 2011 Share Posted December 3, 2011 thats brilliant, thanks for posting would fit nicely into a class 37 model Link to post Share on other sites More sharing options...
St. Simon Posted December 3, 2011 Share Posted December 3, 2011 Hi, That is truly superb, even sounds good! It kind of puts your efforts to shame really! Thanks for posting Simon Link to post Share on other sites More sharing options...
RMweb Premium Ian J. Posted December 3, 2011 RMweb Premium Share Posted December 3, 2011 Fantastic. But of all the distractions from such a wonderful piece of engineering, I found myself more interested in the sources for the music! Link to post Share on other sites More sharing options...
Michael Delamar Posted December 3, 2011 Share Posted December 3, 2011 Steady hands with that crankshaft on the lathe, one wrong move... Link to post Share on other sites More sharing options...
Horsetan Posted December 3, 2011 Share Posted December 3, 2011 Wonder what lathe he was using? Link to post Share on other sites More sharing options...
RMweb Premium Welly Posted December 3, 2011 RMweb Premium Share Posted December 3, 2011 Seriously impressive model engineering! Gotta share that with my model engineering colleague. Now I understand how crankshafts are turned on a lathe! Oh and it's interesting to learn the Spanish for the various engine parts. Link to post Share on other sites More sharing options...
Invicta Posted December 3, 2011 Share Posted December 3, 2011 That is absolutely stunning- it reminds me of French engineer Pierre Scerri who a few years back spent about 15 years building a fully working model of a 70's Ferrari 312PB Le Mans car in 1/3 scale http://mps-sportproto.com/en/ http://www.youtube.com/watch?v=QDZICiGmDxs http://www.youtube.com/watch?v=aSDnMUeimuM Link to post Share on other sites More sharing options...
westerner Posted December 3, 2011 Share Posted December 3, 2011 Both just stunning!!!! Link to post Share on other sites More sharing options...
hollywoodfoundry Posted December 3, 2011 Author Share Posted December 3, 2011 Having had time to think about it, there are a few questions arising about the model V12 engine. I am guessing it is compression ignition as there was no mention or sign of sparkplugs, nor any wiring or distribution for them. And what method of injection was used, was it the tiny items on the front of the engine that looked like pumps? Then there is the question of air induction, the inlet manifolds seem to be connected to the fuel supply but I could not see any connection between the air filter system on top and the induction system? Link to post Share on other sites More sharing options...
rsv1000r Posted December 3, 2011 Share Posted December 3, 2011 I have a feeling it's running on compressed air? fed directly into the intake plenum, it has been built with nothing other than plain bearings, no gaskets, seals or O rings & nothing during assembly was torqued down Link to post Share on other sites More sharing options...
pointstaken Posted December 3, 2011 Share Posted December 3, 2011 Would make a good watchmaker look ham-fisted. I watched the machining the crankshaft several times, to me, the most impressive part. That would be a useful technique if you were building a Shay loco. Dennis Link to post Share on other sites More sharing options...
Marty Mc Posted December 3, 2011 Share Posted December 3, 2011 I have to agree machining that crank was very impressive, Outstanding achievement M. Link to post Share on other sites More sharing options...
D605Eagle Posted December 4, 2011 Share Posted December 4, 2011 Check out this amazing miniture petrol deltic engine. I'm not sure if its ever run or not, I've not managed to find any videos of it. Supposedly hes now working on a miniture Napier sleave valve 24 cylinder H engine. http://craftsmanshipmuseum.com/tomlinson.htm Link to post Share on other sites More sharing options...
peach james Posted December 4, 2011 Share Posted December 4, 2011 It should be possible to make something of around that size that will run. The gentleman who built my Britannia in 3.5", Harry Boneham of Toronto, Ontario, built a V engine from the spare cylinders for his radial...some images are on the TSME web site, http://www.tsme.ca/gallery/historical/the1990s/index1990s.html (There are a few of his work on there). These are true spark ignition, petrol engines. There are also engines (in the 2000's set) built by Herb Jordan in the 1970's, or earlier. I know his debate about the 12 cylinder engine was that the wire used is PTFE insulated, rather than cotton covered. From my memory, the debate point was that the cotton covered ones were scale right, but the PTFE ones are required for practical insulation. Herb Jordan's 12 cylinder engine is 54 cc displacement. (4.x cc/cylinder). The craftsmanship in making any V12 engine is quite complicated. But, I suspect that the engine shown is running on air, and does not run on spark or compression ignition. James Powell Link to post Share on other sites More sharing options...
RMweb Premium keefer Posted December 9, 2011 RMweb Premium Share Posted December 9, 2011 absolutely amazing when you think that if any of those components, even to make a 1-cyl engine, was slightly out, it'd be game over! but to make and assemble that and it runs 'like a sewing machine' (as they used to say). Link to post Share on other sites More sharing options...
RMweb Gold kipford Posted December 9, 2011 RMweb Gold Share Posted December 9, 2011 This website shows the aircraft modeling skills of Young C Park if I had only half his skill! http://www.craftsmanshipmuseum.com/park.htm Dave Link to post Share on other sites More sharing options...
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