steam engine

Was making good progress on the crankshaft, running true, good fit in the base, etc., until I cut out the filler. There must have been some built-in stresses, as the two shafts are no longer in line. Put between centers there is now about 0.012" runout at each web. The two webs apparently...

I needed another project after the PM #7 was completed. I jumped to the bigger PM #1. After many hours (I don't keep track) and afternoons it is complete and runs great. As usual I start with visions of perfection and end with a little less. There was some tweak to fit work. In the end...

I was looking for a new project and saw the number 7 engine on the PM Engineering site. I looked at it and it had 1/2" cylinders. That would allow me to work with my existing tool inventory. Little did I know that I was jumping into the deep end of the pool. There were 25+ tiny parts to...

I have been working along on my project motors. These came from mrpete (tubalcane) on youtube. I used his plans and guidance to start then I moved on to match my skills and tools. There first was a wobbler motor. It went pretty well. There are a few warts but I was able to work...

Dear All, I have decided to put together a build thread for my next engine, Elmer Verburg's Grasshopper (grasshopper beam )engine. Plans are here. I decided on this engine because the mechanism of operation is interesting. This article at Wikipedia discusses how it operates. The design is...

I took 19 years of spare time to complete the model. The castings came from Cole's Power Models that has gone out of business now. I am working on completing a working set of drawings for the 1876 Expo Corliss steam engine.

Dear All, I have decided to post a build log of my attempt at making this engine: from PMRs casting kit. I chose this engine because it is really two engines that have been joined together, giving me twice the opportunity to learn how to do things. Also influencing my decision is the build...