Stanley cylinder end caps re-design.6/20/2016 In the picture below are the Rolly Evans redesigned Stanley 20HP steam car engine end caps. Note the easy way to tighten the caps. We have detailed drawings provided by Rolly available should you need them. 
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Stanley Engine Parts6/13/2016 Rolly Evans writes: I am attaching the DXF file for the frame parts. Your water jet cutter can cut just the parts you want.If you only cut the hook up parts you can use ¾ 4140 plate if you want the complete frame parts use 7/8 4140 plate. I am also sending a photo of my pattern of the cyl heads. The ring at the end is to make a thread gauge. Rolly   Steam car Hook-Up6/11/2016 Rolly Evans has just sent in this information regarding adjustable hook-up for Stanley steam car engines. They allow precise adjustment of the hook-up feature on the engine, so that increased economy can result.    Steam Car Engines6/10/2016 Rolly Evans has just sent us another update: My friend Coburn Benson has let his K sit idle for many years, as the cylinder block had failed along with other problems with the engine. He allowed me to take all the parts of the engine home so I could do a complete set of CAD drawing. In so doing I became aware of the poor cylinder design compared with the 735 or 740 20 HP engines. Coburn has two sets of patterns for an existing cylinder, but I would not waste my time with it as designed. He cast two blocks but only one is worth machining. In both the steam ports moved somewhat, but it’s cast iron and just as weak as the original. If it was cast in ductile iron he would have doubled the strength and less likely brake off the rod ears again. I have redesigned a new cylinder with what I think is an improvement and have designed a new box frame for building it wet. I think if I were to build the engine I would modify the packing glands and cylinder heads as well to have 3/16 or 1/4 inch packing. Not needing it I may not do anything with it as I have been building two 20 HP engines with box frames. Not that I need these engine but it keeps me busy when I’m not working on other projects. Rolly     Burner Jets for steam car6/6/2016 I Made set of no. 60 and 58 drill multi-port burner jets with no 62 strainer holes for our Model 607 steam car after the experimental no. 60 ones worked so well. Still breaking drills despite using free cutting steel, so again counter drilled stems 1/8" and plugged ends to reduce the thickness of metal to be drilled for the jets. Copied the Cruban countersunk to make using the nozzle picker easier. Idea with the 58 jets is to see if they will make the car perform better on the steep hills round here, which usually get steeper near the crest. With the 60 jets we often have only 300 psi by the time we near the top! We are running on 50/50 petrol diesel. Peter Turvey  |
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