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Another fan of the U shaped parting blades,Used them for many years in a rear tool post the cantilever version that over hangs the cross slide to give more room between the tooling

Hi Norm, It was Russia although the story is false I remember the ship yards in Berwick I though sheep south of the border looked worried not short legged My family had a few distant relatives who met a grizzly end .A misunderstanding over sheep, cows and women they borrowed from the English...

For a lockdown project Im building a small steam boat designed by Vic Smeed named River Princess she is the smallest of the Wide Awake style of boat I wanted to make the plant as simple as possible using a single cylinder engine. Normally they wont self start so this one has a kickstart built...

An often overlooked problem with the OP machine is that the bolting down pads (feet) are not machined correctly by the factory and if you merrily go bolting it down without at least giving them a cursory looking at it twists the machine Iv skimmed a couple in the past for people when I had the...

I think a tighter tolerance should be achievable to what level on those machines I have no idea The approach needs to be methodical My preference would be to use two test bars one that fits in the machines spindle and the other between centres and then do some measuring making notes as you go ...

Hello NATHAN from the opposite coast. Used to work in the Lake District often in the past A nice part of the country cheers frazer

Retailer, I dont doubt that youre machine will do as you say and often do the same myself As to better machinists Im only a toy maker and have illusions on that matter The thing I doubt is that you can dial in 0.0001 cut on a machine like this and it will give a constant cut and I wonder why...

We live and learn I will stick by my original comment cheers

More chance of the tool just rubbing and not cutting .

When bolting the machine down the bed could be twisting In the ML7 Manuel it shows a simple way to level /wind the machine in I would try this before shimming the head A link to the book http://vintagemachinery.org/pubs/4654/9521.pdf

Hi Terry, as another member of the high risk group Im in the same position and seem to be going backwards on projects and also doing dumb things Keep well and safe cheers frazer

Congratulations ,A job well done keep well cheers frazer

When pressure testing the finished boiler. You take it upto the required pressure in stages returning to zero each time So a little hardening should occur In the UK first hydro test is twice working pressure for a new boiler cheers

Heat to dull red in subdued light and either air cool or quench For boiler end plates or any copper that is going to be hammered I always quench in a pickle made from citric acid If you dont use a pickle you may find the dirt and scale from softening gets into the surface when you hammer it...

Hi Mark , thanks for the update at least you are on the right track. Fingers n toes crossed she fires up OK when you get the motor back cheers frazer

Thanks Bob, Moriya was the first Stirling engine I built and after parting with her in a swap for some Ericsson casting I felt the need to have another but fancied something smaller They are nice engines as you know and great runners the designer sure got it right Congratulations on the...

Thanks John, yep she is a runner but the ringbom is now living with the spiders under the bench cheers frazer

A poor video of her running.Sorry its the best I can manage Thanks for the interest cheers

a41Capt, I will pop a wee video up in a day or so for you. I used to visit the states in the late 1990s for work and it just happened to be when NAMES was on . I had a conversation with a gentleman who had built one half size and he had shown it to the designer and seem to remember they called...

Just a few pics of my latest build of a 1/2 scale Moriya I had been building a rotating cylinder Ringbom that is nearly a runner but as yet no cigar so took a break and built a smaller version of Moriya with a few mods Bore of power piston 0.360 stroke 0.6 inch Displacer 0.5 dia stroke 0,6 inch...