Silly question but is it a Mamod or a derivative? If the former have you fitted a lubricator? If the latter I guess the lubricator will already be installed.
Sam E [EMAIL PROTECTED] wrote: > After polishing with 400 and 1500 grit wet/dry, and then cleaning, the > cylinder went right back together in the reverse order, as predicted by Tony > and Sam. A compressed air test with the engine reassembled now showed that > the other cylinder was leaking air past the o-ring. The engine ran better, > but still not smoothly. > > Since the tools were all out on the workbench, I went ahead and disassembled > the other cylinder. It wasn't full of debris, but it needed polishing. > Within 2 hours it was back together with a new o-ring. > > On air the engine would start up and run smoothly. The cylinder action was a > bit tight but smooth. Under steam yesterday, however, things were not great. > > The boiler raised steam in 5 minutes, and intitially the engine seemed like > it wanted to run. But then it got very stiff and would not turn a full > rotation, almost like there was severe priming. (Also the first cylinder's > head leaked steam, although the head was fully seated and straight.) This > continued until I shut the fire down. Subsequently it ran again for an hour > on air down to 10 psi just fine. > > Causes? Possibly insufficient steam volume. Possibly the o-rings are still > too tight and the piston's expansion with heat makes them tighter. Possibly > priming. > > I will try it under steam again before tearing into the cylinders again. > Maybe rig up a superheater to dry the steam a bit before it goes to the > engine. > > Steve > > > __________________________________________________________________ > Switch to Netscape Internet Service. > As low as $9.95 a month -- Sign up today at http://isp.netscape.com/register > > Netscape. Just the Net You Need. > > New! Netscape Toolbar for Internet Explorer > Search from anywhere on the Web and block those annoying pop-ups. > Download now at http://channels.netscape.com/ns/search/install.jsp > _______________________________________________ > SSLiveSteam mailing list > Send messages: [email protected] > Cancel subscription: http://postfix.45mm.com/mailman/listinfo/sslivesteam > Rules: http://www.45mm.com/sslivesteam_guide.html > > > _______________________________________________ SSLiveSteam mailing list Send messages: [email protected] Cancel subscription: http://postfix.45mm.com/mailman/listinfo/sslivesteam Rules: http://www.45mm.com/sslivesteam_guide.html
