tag:blogger.com,1999:blog-1592992209402300549.post4359123875154985649..comments2024-03-28T08:06:43.198-04:00Comments on The Silicon Graybeard: Webster Update #2SiGraybeardhttp://www.blogger.com/profile/00280583031339062059noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-1592992209402300549.post-26367897296264108702019-06-28T23:33:25.139-04:002019-06-28T23:33:25.139-04:00This beats the hell out of making whirlygigs. (TM)...This beats the hell out of making whirlygigs. (TM)<br /><br />RickAnonymoushttps://www.blogger.com/profile/14495862358340777039noreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-28193675500297401182019-06-28T06:51:03.325-04:002019-06-28T06:51:03.325-04:00From my industrial life, I note that Loctite Corp ...From my industrial life, I note that Loctite Corp has absorbed the entire line of Clover grinding and lapping compounds, down to 3 micron grain size. It might be interesting or useful to research how the model airplane engine industry made such fine piston/cylinder fitting. Ritchiehttps://www.blogger.com/profile/08075903551422300106noreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-22011075181754976252019-06-27T22:08:12.650-04:002019-06-27T22:08:12.650-04:00Yeah, it's grinding paste. The tooled finish i...Yeah, it's grinding paste. The tooled finish is supposed to be good enough that I can start with 400, then 600. I should get something like 320 in case it's not as smooth as it should be, as well as 400 and 600. <br /><br />SiGraybeardhttps://www.blogger.com/profile/00280583031339062059noreply@blogger.comtag:blogger.com,1999:blog-1592992209402300549.post-79138516727173231912019-06-27T19:52:10.560-04:002019-06-27T19:52:10.560-04:00How are you planning to lap the cylinder and pisto...How are you planning to lap the cylinder and piston together? Use something like valve grinding paste? I've got some extremely fine Cerium Oxide I use for polishing water spots and other stuff off auto glass. You might not need anything that fine, but it's an option.drjimhttps://www.blogger.com/profile/05647484115197408897noreply@blogger.com