Sprocket's latest activity

Just got my version of The Whazit engine out of "The Shop Wisdom of Philip Duclose" running. His engine designs are the most robust I...

Power Piston used a 1" thick rectangular piece of stock to turn this part rather than purchase a 2-1/2" round bar of 6061 aluminum. The...

The last few days I decided to make Model #2 and it is much smaller than Model #1. All the parts are made just like the larger model...

I managed to get twice as many rings than needed from the first blank, and so work was stopped on the second lot. With nearly all the...

The Standard was fixed to my shiny new Faceplate by clamping onto the lower bearing hub each side. My guesstimation with getting a flat...

With the Standard fixed to the aluminium plate, and appearing reasonably flat and level, it was machined in my milling machine. The...

The Standard was tackled next. The top and bottom of the Standard were uneven, so I took some time to file the top until it was nice...

First an update on the project over the last few days. The next two pictures show how the end plates and the cylinders are assembled...

Progress on this build has slowed considerably because of other jobs that had to be done but I was able to get a couple of items made...

I reamed the cylinder holes with a 0.001 oversize reamer and that did the trick. It now turns free and smooth and I don't think the...

Hi All ! An update: A test I ground a small milling bit to mill the gears - it's quite small Just for testing, but the results are...

The final step in my ring-making process is to light test the rings. A shop tool made up of a 2000 lumen flashlight, a spare cylinder...

I needed a break from lapping and started work on the normalization fixture before the second lot of rings was finished. The components...

wce4 as you probably know I seldom follow any plans or drawings but there will be a flywheel maybe even two. Before I jump right in to...

The cylinder is a water jacket, cylindrical with water space in the middle, with a piece of DOM (drawn over mandrel) pressed in and the...