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Stanley
Local Historian & Old Fart


36804 Posts
Posted -  25/11/2004  :  14:20
I've always been fascinated by the things people do in their spare time when they can do exactly what they want to do. Men and sheds are a particularly fertile field. Women tend to do their thing in the comfort of the house.



I was delighted to see Andy's picture of the clock movement he has made.







It struck me that we could perhaps start a new topic devoted to spare time skill. So Andy starts it off and my contribution is this:







It's a small steam engine made from scratch and is based on the Stuart 5A but a longer stroke. One of these will drive a 14 foot boat with steam at 250psi. By the way, we don't like to call them models, it's exactly the same construction and materials as a full size engine, just smaller. So come on out there, let's hear about what you make in your spare time. I reckon we could be in for some surprises!


Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk
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Stanley
Local Historian & Old Fart


36804 Posts
Posted - 11/06/2007 : 08:21
Rick, what a good offer.  Thank you and I'll bear in in mind.  As you well know, it's a beggar spending hours making something and then mucking it up with a little bit of broken tap.  It was my fault actually because I have a general rule only to use small taps in non-ferocious.  Luckily I had drilled the holes plenty deep.....  I drove the stub in and still have a quarter of an inch hold for the stud which is plenty.  I'll get the drive fitted square today, the SC two jaw will come in useful yet again, you can't beat having plenty of chucks.


Stanley Challenger Graham




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Stanley
Local Historian & Old Fart


36804 Posts
Posted - 12/06/2007 : 17:26

 

 

 

 

 

 

 

 

 

 

 

 

The leadnit and cutter holder.

 

 

 

 

 

 

 

 

 

 

Almost finished.  I need to decide about the adjusting knob.  I've left the shaft long because what I have in mind could be a fair size kno to counterbalance the other end of the frame.  I'm thinking about this.   I can see it hung up on a piece of string and me adding weight until I get it balanced!




Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
Stanley
Local Historian & Old Fart


36804 Posts
Posted - 13/06/2007 : 17:27

 

 

 

 

 

 

 

 

 

 

Right, that's it, it's finished.  The adjusting knob on the leadscrew looks a bit oversize but takes up no more room in the swing than the business end and it should largely balance out the forces.  I have no idea how fast these cutters are normally run, I need Andy to give me a clue, I've looked all over but can't find a clue.  Now I need to have a bit of a play with it.......




Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
marilyn
VIP Member


5007 Posts
Posted - 14/06/2007 : 12:12
Looks like a rudimentary gun to me!


get your people to phone my people and we will do lunch...MAZ Go to Top of Page
Stanley
Local Historian & Old Fart


36804 Posts
Posted - 14/06/2007 : 15:17
Nothing rudimentary about this Maz.  I'm having a rest today and getting some writing done.  I'll show you it on the lathe shortly....  I popped it onto the 1927 lathe last night and it's just right.  It swings nicely as well, almost in balance.


Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
Invernahaille
Regular Member


669 Posts
Posted - 14/06/2007 : 16:13
Is that a honer on the tool end Stanley?


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Stanley
Local Historian & Old Fart


36804 Posts
Posted - 15/06/2007 : 07:23
Robert, if you mean the bronze bit, that's the adjusting knob/counterweight.  The toolholder is mounted at the other end below the slide, no tool in it in that pic.  I'll do one of it on the lathe ready to cut, that'll make it clearer.


Stanley Challenger Graham




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marilyn
VIP Member


5007 Posts
Posted - 15/06/2007 : 10:54
I admit I am struggling for clarity, Stanley....but the problem is all mine. Just ignore me.


get your people to phone my people and we will do lunch...MAZ Go to Top of Page
Stanley
Local Historian & Old Fart


36804 Posts
Posted - 15/06/2007 : 15:54
Never Maz!  It's nice to have people expressing an interest.  I'll go and do a pic this minute!


Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
Stanley
Local Historian & Old Fart


36804 Posts
Posted - 15/06/2007 : 16:33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Here's the cutter mounted on the lathe and connected up to the overhead drive (the red string!)  which means that when the motor is running and driving the top shaft motion is transferred to the cutter which spins round like a fan on a car engine.

 

 

 

 

 

 

 

 

 

 

 

Here's a closer pic of the cutter.  You can see the shaped cutter in the block at the top end of the frame.  Imagine a circular disc mounted where the chuck is but stationary and the cutter flying round.  As you advance it into the work you will get a perfect circle cut into the workpiece and the shape of the grovve will be the same as the shape of the cutter.  Now then, and this is where it gets more complicated, imagine that the workpiece is mounted off centre and you are cutting small circles.  These circles will not be on the same centre as the workpiece and so if you advance the workpiece say a quarter of a turn and the circles are the right size, you end up with four interlocking circles cut on the workpiece.  By altering the eccentricity of the workpiece, the number of equidistant positions you choose and the radius of the circle you adjust the cutter to make you can get an infinite number of patterns.  The cutter head is controlled by a leadscrew and if you turn the brass knob you can make the circle any diameter you want.  Think it through and you'll see that it's very similar to the old spirograph toy and you can cut some very intricate designs.




Stanley Challenger Graham




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Stanley
Local Historian & Old Fart


36804 Posts
Posted - 15/06/2007 : 16:37
I should add that in my rush to get you a picture I mounted the cutter and the drive the opposite way round to what it should be.  The cutting frame should rotate counter-clockwise so that it is not tending to loosen the chuck which holds the workpiece.  I'll set a workpiece up later and show you what it can do......


Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
andydiamond
Hairy Horologist


424 Posts
Posted - 17/06/2007 : 19:29

Careful Stanley, if you run that cutter fast enough to get a nice, shiny, " straight off the tool finish " you might have someones eye out - - - - -and it could be yours !!

I recommend a large sheet of toughened, very thick glass, in front of the lathe whilst in use - - - - - -this is what the health and safety police wanted me to do when demonstrating ornamental turning at woodworking and craft shows.

When I said I would not be able to use the lathe with a sheet of glass in front/behind it they went very quiet and muttered about "own risk" and "no insurance" - - - -

Which reminds me of another story about the health and safety police, a few years ago a big woodyard and timber convertors in Yorkshire had a visit from this lot - - - - -one of the star attractions for me here was to watch the HUGE circular saw turning oak tree trunks into planks. A sight and sound not to be forgotten.

Anyway, the council factory safety officer arrived uninvited one day, took one look at this saw, and forced the company on threat of immediate shutdown of the whole place to put guards on the saw blade to his specification.

Trouble was, by the time the guards were on, the saw could only cut thin planks ! so there was a chicken and egg situation which has lasted to this day, and an awful lot of Oak tree trunks strewn about the site waiting for a solution to the problem, it goes without saying that the H & S Police have not come up with a solution - - - - - - -

I forgot to mention that the saw had a metal detector in front of it in case of nails, musket balls, wire fencing etc in the wood, this stopped the saw dead if triggered, and best of all, THE SAW OPERATOR WAS OUTSIDE THE ROOM, watching operations through a 3" thick window!! - - - - -not good enough for the do-gooders, they had to put the saw out of action before they were happy !

Andy. ( you couldn't make it up, could you ? ) 




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Stanley
Local Historian & Old Fart


36804 Posts
Posted - 18/06/2007 : 05:38
Thanks for that Andy, the thought had crossed my mind......  I'm going to make a bigger pulley for it before I use it., probably about 200rpm and stand to one side!


Stanley Challenger Graham




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Stanley
Local Historian & Old Fart


36804 Posts
Posted - 20/06/2007 : 07:43
I made a larger pulley for the cutter, fitted it and then found it fouled the cross slide!  So the old one is back on for the moment.  I consoled myself by making a new jack screw for the toolholder on the 1927 lathe.  The old one was too short for larger tools and getting a bit worn.  A small improvement but satisfying, saves looking for little packing strips.


Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
Stanley
Local Historian & Old Fart


36804 Posts
Posted - 21/06/2007 : 17:40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

And now for something completely different.....  Any old soaks out there will recognise that what we have here is a set of castings for the Stuart Steam Hammer.  Last time I looked it had been deleted from the catalogue for years.  I bought a box of scrap and found these in it years ago.  Some small parts missing but no probs there, I can soon chop them out of the solid.  I decided it was about time I made something instead of constantly refurbishing, I wanted a change.  We'll see how long the burst of enthusiasm lasts....  more to it than meets the eye.  First job as always is to clean the castings up and get some square faces to work from.  You'll see in the bottom pic I have started with the anvil.  I'll try to find a pic of what it should look like, I've never seen one finished but I have the drawings and it stands about eleven inches high.  Should be quite an impressive paper weight!




Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
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