Engines > Your Own Design
Baldrick - A Two Cylinder Single-Acting Rotary Valve Engine
PaulR:
Hopefully this will work out better than the eponymous character's plans... even though mine is only about half drawn so far!
Made a start on some of the basics yesterday and continued today. Chopped off and filed to length one of my last pieces of recycled suspension-file hangers for the base and faced two pieces of brass angle to length for the cylinder supports. Faced the cylinder blanks to length and bored them. Drilled pilot holes for fixing the cylinders to the angle, superglued them together then enlarged the holes. Separated one pair, made the clearance holes and threaded those in the cylinder. Made the cylinder end caps which are just a push fit for now, will fix later.
Facing the angle (there's something strangely satisfying about holding angle in a 3 jaw chuck!)
Parting off one of the end caps. Had some nasty squealing when I started but it disappeared after regrinding the tool
Gotta love superglue...
The parts so far. The angle will fit on top of the base, just arranged like this for a blurry photo!
crueby:
Looks (and hopefully smells) a lot cleaner than he does too! :Lol:
PaulR:
Today was just a case of marking out, drilling and threading holes. I've ordered some copper tube to connect things up, in the meantime I can start on the pistons and rods and try to figure out what to do in the middle bit!
PaulR:
First piston and basic rod finished. Not very exciting to look at I'm afraid :lolb:
PaulR:
Just a bit of progress today: made the second piston/rod and started on the end for the other. Still need to cut the clevis slot but I'll do the two together rather than set up the vertical slide twice. Might also do some rounding to make it look a little less brutalist!
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