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Am I going out on a limb to point out that we need to turn off any concept of the real world in 99.9% of so called action films? For example who can get belted on the head with a lump of 4x2 or 2" pipe then get up and clobber their assailant into submission. Not to mention getting pinned...

Went to a Tech school in the 50s so got exposed to messing with metal. Alas a young family and mortgage payments ruled out play toys. THEN, retirement and finally I got a cheap Chinese 7X14 mini lathe followed a few years later with a Seig X2 mini mill. Machining on a shoe string budget...

Thanks for posting, Looks Good, Sounds good and runs good. Fascinating to watch too. JB

Green twin, here in Australia we went metric 1966 I think? Memory fails in stuff it seems to deem unimportant but weirdly whilst I use metric my grey matter will look at 75mm and tell me "About 3 inches". Similarly with 150mm 6" 300 foot. This I think just gives me a mental image of stuff.

This old fella went to school where we drew, Plan (looking Down), Side elevation (Looking from the side you place the sketch). Then, Front and or Back elevations. Model club member explained 3rd angle to me as putting the part in a bowl then when you slide the part up either side, back or front...

Welcome to the forum als54. I run all my small, "steam" engines on compressed air. In fact some will happily run on an air-brush compressor (the really small cylinder volume ones). Steam regulations are to my understanding undergoing yet another review and I'm sure there is a minimum boiler...

Always a good feeling when they run, even better if first time after making. Joly good!

Hmm, I just did a search for Finger Engine plan and got several hits. Top of the list on my computer were images https://www.machinistblog.com › finger-engine-plans www.instructables.com/Wooden-Finger-Engine Wobbler engine you will get results with "Oscillating Engine" Proper name I guess...

Seems to me that nobody has yet mentioned that the sun rises in the east - sets in the west so facing 90deg away will be near enough north - south even on the equator. Just to give you a clue? Oh, here at Latitude: -38° 08' 49.60" S it rises over the left end of my neighbour's roof peak in...

Brian, Your mention of Log Tables and slide-rules brings back memories of using both during my Secondary Tech School days. Still got the slide-rule and (I think?) the log tables. Rarely used them in working life as a textile dyer. Calculators on the desk ruined my already shaky mental...

Gotta agree that this engine looks good, runs good, and sounds good. Like a hit and miss should sound (in my biased opinion.) 😉 ps. I'm old enough to remember the local wood man bringing his way, "dangerous" (long before OH&S) saw driven by a hit and miss engine to saw big logs in our backyard...

That is the way I made my one and only valve so far Brian. It was for an air powered Hit n Miss that ran really well. Hitting and missing beautifully UNTIL I pulled it apart to paint it pretty. Plans were from Brian Rupnow. Here it is before painting, a bit of wobble in the flywheel tho. John B

Looks fun Zeb, Jack up the rear end and the big wheels (Fly-Wheels?) could spin merrily whilst going nowhere. :D A challenge to machine and get right.

Interestingly, I could not see the first video just hear the sound. The YouTube link worked a treat tho. Jolly good, John B

Oh Well, looks good. My only suggestion would be that perhaps swapping to countersunk bolts in the brass rings would improve the look? I really like it, congrats, John B

Yeah, Well now we all want to see it running OR not. Pretty Please. Well at least I do, probably shouldn't speak for all who are following. My uneducated guess = a few firing strokes and prolonged miss cycle? John B

Thanks again for posting Brian. Your posts are always an interesting read that I look forward to. John B

For what its worth Brian, a friend's Farm Boy Hit & Miss needed a new Viton ring after a few, (8hr or so) hour running. He was sure it was mostly the ring polishing the bore during those first hours of running. It has since clocked up 300 - 400 hours as he runs it for the 4 days of our local...

Vietti, As I understand it the easy way for two pulley system is half the circumference of each pulley (probably pitch Dia) plus twice the centre distance between. Certainly works for me with T5 belts. BUT, I usually have a means of adjusting the tension. Yeah I know the belt contact is actually...

Thank you Brian for a great read-along post. I find it always worth following your posts and really like the current running video. I do agree that the speed could be slower, glad the extra flywheel weight helped. Congrats, John B