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Thanks for the support guys, put this on the back-burner for a while as I treat a medical illness, but I'm feeling some better. Probably going with 50cc cylinders, hope that doesn't offend any of you tiny enthusiasts. Shred some metal for me, Wonderous Mountain

Is there a way to follow a topic without getting notified of new posts, or does the notifications only show up here and not on my email? Perhaps little questions like these are or could be grouped together somewhere for some of our more impatient members. Blessings, Mountain

Got it, looks pretty good. I'm not really to the point where I can debate finer points of machinery, so it'll be by the numbers for me. Can't thank you enough. I'll pay a royalty for the plans if he's still among us. May the frustrations begin! Mountain

Yup, it's a Calliope. Thanks got my work ahead of me. Mtn

I'm planning on building a miniature calliphone for a friend, Any suggestion on what boiler system might work well are appreciated. Hoping to use a liquid fuel like alchohol. Thnks, Mountain

Hey machinist, The project has possibly 35mm diameter cylinder with preferably one 15-20mm tappet valve. Since it's suppose to be functional, long running engine under moderate to heavy load. What are the better commercial models for best TBO and consistent firing? Design Rpm 6,000 common high...

Good advice :bow: The block is estimated 32cm long, still a lot of development to do, but will be satisfied with a V-4. The cylinder size and bank will be the same. Sort of a 1/3 version of the next engine. There's a moment each day to note the tools and abilities gained since the beginning. I...

This is an odd one, but was hoping some of you could help me with a basic question. What American manufactured Mills and lathes are in metric? Metric is better on the old noggin, but I'm oddly patriotic so don't want anything from overseas. I looked but couldn't find the answer in the forum...

My goal is to learn to design and build engines for airplanes. Maybe one day it will be an occupation, but now it's not really a hobby as I'm still looking to get a shop setup with tools. Current project goal is a 90 degree V-12 300cc Lyscholme twin screw supercharged up 9,000 rpm two stroke...