Peter Twissell's latest activity

Certainly. I used to be on a Dnepr owners group, but it faded into obscurity and I don't do facebook.

This picture was taken a couple of years ago. See also here https://www.homemodelenginemachinist.com/threads/a-gert-big-radial.31859/

master rod and rods

Re. Alignment of chamfers, I will either machine the chamfers on the parts after they are otherwise finished and bolted together, or...

The engine is now up on all 4 wheels, I like putting the parts together as it allows me to think about the design and next steps. The...

Thanks dieselpilot, I had wondered whether it was a trade name.

I'm not sure what is meant by "stressproof" in this context. Proof stress is a measure of the materials yield strength. When buying...

Nice work. I'm always amazed at how spindly some of these crank designs appear, although they are clearly up to the job. The crank for...

Some partial assembly pics of the crankshaft components at this point

I made a slightly more ambitious tool for riveting. Essentially, it's a lump of steel plate with a long slot in it and a couple of tubes...

Looks just the job, scaled to an appropriate size for your engine. It's worth noting that the ram doesn't need to be a 'piston fit' in...

Hi Nigel, The second steam engine I built was a Stuart Beam Engine. I made a freelance water pump from scrap material, using balls and...

Engine finished, here is the final video :)

I think it's more Rowland Emmet than Heath Robinson.

Bugatti engine is finished, ready to test if it works Dimensions: length 60 cm (23,6 inch), width 30 cm (12.8), height 38 cm (15)...