Electronic speed control on a small lathe with short duration may well be OK but I would be concerned about the motors cooling on a long job.
CVT thought DAF did that in the 60s or at least I remember a few swearing lessons changing the belts
Nothing new just reworked re badge re branded and...
He worked under Barns Wallace but who was the better engineer .Although the R100 may have had some influence on that matter
Shute used his full name in engineering matters but left his last name out when writing as he thought it may undermine his engineering credibility
Not well up on modern...
I have just been asking the same question on the Model Engineer and was directed to Smoke Stack forum there is a bit of info but only a bit
Les Proper has one on his youtube channel
My idea was to use a flame gulper as per Les but in a larger scale to compliment my Stirling tractor
Guess i will...
The tube is usually held in location by the inlet and outlet fittings
You can also get a three roller version
Have a look for MILK pumps or Dairy milk line cleaning pumps or Coffee machine milk pumps I know Faema and the Swiss Egro machines used them...
A nice boiler and for its purpose more than adequate
Lets be honest if efficiency was a concern a simple pot boiler would not be my choice
Steam dryers can be useful although simple oscillators run better on wet steam
I doubt very much that many models reach super heated steam temps and if they...
Just use a nitrile ball saves all the hassle
First use a steel ball of the same size give it a biff with a guided punch or just let a centre drill kiss the edge. The through hole is better reamed not drilled
Ideally the seat is coned upwards so that in use any dirt falls away from the seat
I replaced the bearings on my RF25 several years ago. I took up all the play turning the shaft as I adjusted the nuts then just gave it about 10 degrees more .Refitted the quill assy and let it run for a good half hour checking things were not getting hot
The nuts on my mill are junk with more...
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...