raveney

Getting a little closer. Thank you to Bob Nawa -Bobs Models, for the idea to use a grill stone displacer. I didn't want to thread the...

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...

Thank you Rich! Does the engine run when spinning the flywheel "over" the crank? I made the connecting links using dimensions in the...

The rocker arms are made from a number of little pieces. I made a lot of them on the rotary table. The hole at the point of the base...

George Vontorne's propane tank sand muller https://www.backyardmetalcasting.com/guest_georgemuller01.html Ok let’s get this out of the...

Walking Beam and Support These two parts required a lot of attention when making the patterns and came out very accurately. For the...

Hi Doug, That looks terrific. Thank you for sharing how you held the cove pieces. I was wondering how you were able to thin the other...

Plans for the 1902 Meriam Abbot engine by Doug Kelley were published in the Nov/Dec 2022 and Jan/Feb 2023 issues of "Home Shop...

Jason, thank you for the help. I really like the "weathered" finish on your Heinrici engine, and I will attempt that using the recipe...

Thank you Colin, Would you mind sharing a picture of the campers stove you used? The book has a few drawings where they repurpose a...

I have use Stainless exhaust tube for displacer cylinders, 1.5mm wall seems to work oK on the Heinrici and Denny Improved and it is not...

Thank you both Cylinder Sleeve & Displacer Cylinder The materials for these pieces was very expensive at a bit over $200 online. The...

Looking good The core box would really need wto be split so you could get the core out. Though for home use you could just print a half...

Fantastic work! I wouldn't worry too much about the 0.2" shim piece. these things happen! You could epoxy in place and blend after. If...

Both points well taken Jason. :) I confess that I was contemplating both ideas while I was babysitting the lathe take each pass in...