Archived posting to the Leica Users Group, 2003/12/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]John Yes, but how to make them light enough to power aircraft! Jerry John Collier wrote: > Some of the big industrial engines are still two stroke diesels. They > are super charged and turbo charged as well. > > John Collier > > On Dec 6, 2003, at 11:28 PM, Jerry Lehrer wrote: > > > Having grown up with two stroke model airplane engines, the transition > > to motorcycle and automotive two stroke engines was not much of a > > problem. Though I am amazed at the 2 stroke supercharged diesel > > engines that powered some German airplanes! > > > > John Collier wrote: > > > >> As a long time automotive mechanic I disliked the part less wonders. > >> They coughed and spat and often declined to start let alone run. Now I > >> am starting to learn just how sophisticated and complex their > >> seemingly > >> simple design really is. It is nice to learn new tricks. > >> > >> On Dec 6, 2003, at 8:13 PM, Jerry Lehrer wrote: > >> > >>> I have learned to break the sharp edges with a .010 inch radius, > >>> otherwise > >>> at a teardown, the tech inspectors will rack your ass! > >>> Disqualification > >>> will > >>> follow. > >>> > >>> That, of course, if you are in a production class and win the race. > >>> > >>> Two strokes are in a world of their own, aren't they? > >>> > >>> John Collier wrote: > >>> > >>>> You have to bevel the port's horizontal edges or the rings will wear > >>>> quickly or, worse, break. > >>>> > >>>> On Dec 6, 2003, at 2:56 PM, Jerry Lehrer wrote: > >>>> > >>>>> BTW, beveling the ports will change the timing. > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html