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Member postings for Georgineer

Here is a list of all the postings Georgineer has made in our forums. Click on a thread name to jump to the thread.

Thread: Myford A1
10/05/2021 18:02:21

That looks like good value for £250. I've just sold my father's old ML4 for just under £200, and that didn't have a stand or changewheel guard, or a tumbler reverse which 'your' one has.

I suspect it is a ML4, which differs in detail from the ML2. There are numerous posts on this forum which give information to help identify which model you have - search for ML4 to start with.

There are some non-standard features on 'your' lathe, but they all look like improvements . In particular, the tailstock looks altogether more sturdy, as does the tool clamp. If it's a ML2 or ML4 the centre height is 3½". If you go for an ML7 you will gain some improved features, but part with a lot more cash.

George B.

Thread: Ml2
07/05/2021 11:24:34
Posted by Robert Atkinson 2 on 06/05/2021 21:19:37:

I had problems removing the spindle from my ML2. The issue turned out to be somone had tightened the pointed grub screw in the bullgear away from the intended recess and raised burrs on the spindle. not much you can do about it other than brute force or miving the spindle / gear positions back to where they were and using some kind of long end cutting tool down the grubscrew hole to remove the burrs.
Mine scored the front bearing on the way out.

Robert G8RPI.

Exactly this. I had the same on my ML4.

George B.

Thread: I dropped it
07/05/2021 11:22:14

I used to find that trouser turnups were very useful for catching dropped items. I no longer have turnups on my trousers so I recently put down some cheap laminate flooring in my workshop. It's much easier to keep clean but things dropped on it tend to bounce and skitter. The solution has turned out to be surprisingly simple - when I drop something I make a mental note of where it fell and look somewhere else.

If it's something heavy or with sharp corners it's easier to see where it fell - I just look for the scar in the flooring.

George B.

Thread: Reading glasses - frosted area
04/05/2021 11:51:20
Posted by Derek Lane on 04/05/2021 10:54:01:

Many glasses use a plastic material similar to perspex. If you have a dremel type tool and a small buffing mop try that with a little t cut or Autosol (try it on perpex first) do not hold it on to long or press to hard you do not want too much heat build up.

There is also micro mesh which you can sand down to 12,000grit and you end up with a polished shine best used with soapy water see this pen I did with them

Brasso is finer than T-cut and would give a better finish, but all these seem a bit harsh for something which requires an optical finish. My optician warned me against using something as apparently harmless as paper tissues for wiping glass lenses because the fibres in them can scratch the surface.

On the other hand, since it appears the glasses are currently not serviceable, there's not much to lose in trying.

George B.

Thread: What Engine is this?
18/04/2021 16:32:54

Probably worth asking on the UK engine forum,

As to whether it's scrap, the saying is that if it casts a shadow it can be restored. It all depends how much you enjoy the suffering.

George B.

Edited By Georgineer on 18/04/2021 16:33:16

Thread: Myford Backplate tapered thread size
14/04/2021 16:08:15


A lot of what you need to know was covered recently in this thread:

George B.

Thread: Bandsaw - wood and metal ?
11/04/2021 12:40:18


At the last school where I worked we had a floor-standing bandsaw which could take either wood- or metal-cutting blades. In the pedestal was a series of v-belts and pulleys to select the appropriate cutting speed, which was much slower for metal and required a different blade. Unfortunately I can't remember the make or model.

I did once witness a colleague cutting metal with the woodworking blade. The sparks were quite impressive, and the technician had to replace the blade afterwards...

George B.

Thread: (bicycle) thread identification?
09/04/2021 20:59:36
Posted by Howard Lewis on 09/04/2021 11:47:25:

Bicycles mostly use Cycle (CEI ) threads which are all 26 tpi, but are NOT Whitworth form.

They are 60 degree. like Unified or Metric threads.

British Standard Brass threads are also 26 tpi, but Whitworth form.


Howard, if I may add some information:

  • CEI threads became British Standard Cycle threads when BS811:1950 was published. It is still available from the BSI if you have £186 to burn.
  • Although many BSCy threads are 26 tpi, there are others including 24, 32, 40 and more. And left-hand of course.
  • Although the thread flank angle is 60°, the actual root and crest profiles are different from Unified and Metric threads.

George B.

Thread: Solar panels for water heating
06/04/2021 00:20:20
Posted by martin haysom on 05/04/2021 14:22:39:

i have solar water heating, wile i cannot say it don't work it is so inefficient it will need to last about 70 years to recuperate it cost, assuming it never requires any maintenance. so for anybody considering solar water heating unless you live somewhere much sunnier than the UK i surgest don't waste your money

Absolutely. I also have solar water heating and I would have done better to leave the money in the bank.

  • It only produces measurable amounts of hot water in the summer, when the need for it is least.
  • Although it has a bigger storage tank than the original, it cannot store all the heat available on a sunny summer day and shuts down.
  • It delivers water at 80°C which would be a serious safety concern if there were children or frail adults in the house.
  • It still relies on mains electricity to operate, so when the sub-station opposite our house burned out we had no source of hot water until it was restored (the gas boiler and immersion heater also need electricity).
  • Modern washing machines have only a cold water inlet so no saving there.
  • Maintenance costs more than the saving in gas bills.

I'm sure there are other drawbacks I could think of if pressed.

George B.

Thread: Component Suppliers - Recommendations?
30/03/2021 13:49:47

Another satisfied user of Rapid Electronics here. At their best, I ordered at 5 o'clock one evening and the parcel was on my doorstep at before 9 o'clock the following morning.

In my designing days I was also pleased with Farnell Electronic Components. RS are good but pricey. For other, and sometimes obscure, components I used Digikey and Mouser.

George B.

Thread: Hi from Hampshire U.K
26/03/2021 10:51:34

Welcome Jim, and greetings from Deepest Portsmuff.

George B.

Thread: New series by Tim Hunkin
23/03/2021 21:53:45

Great! I must seek them out.

I loved his "Secret Life" series, and used to show them to my GCSE Science classes when they fitted the topic we were studying.

I took my then-teenage daughter to his "Under the Pier Arcade" on Southwold Pier some years ago and she had a whale of a time, as did I (and fish and chips in the café ). [blasted smiley crept in.] Well worth a visit when it's open again.

George B.


Edited By Georgineer on 23/03/2021 21:54:10

Edited By Georgineer on 23/03/2021 21:55:22

Edited By Georgineer on 23/03/2021 21:56:20

Thread: Tea Spoons
23/03/2021 16:32:45

To get the deposits from my stainless teapot (which I only do when they get thick enough to start flaking off) I put washing soda in water and boil it on the hot plate. (boiling washing soda is also good for removing paint from metal items, but I haven't dared do it in the teapot.)

The blue-black staining on our 'stainless' cutlery didn't respond to chemical treatment, so I did like David George and used a buffing wheel. They polished up beautifully and two years later are still bright. The only problem I encountered was that the wheel was too big to get into the teaspoon bowls, so I did them by hand with Autosol polish.

George B.

Thread: RH vs LH threads
14/03/2021 12:04:31

I'm a bit surprised that this thread hasn't wandered off into abstruse explanations of the forces involved when a pedal unscrews itself, but I'm sure that our ancestors, being in the main classical thinkers, simply observed which bits dropped off and reversed the threads accordingly.

I've read Zen and the ... several times over the last forty-odd years, and always get something new and worthwhile out of it. It must be time to read it again. A friend who had studied philosophy at university dismissed it as lightweight, homespun philosophy, but I find it a lot more accessible than the classic philosophers. A bit like finding my way into jazz through listening to Chris Barber, when my serious (and scornful) jazz friend was into Charlie Parker and Thelonius Monk.

My 'hack' bike has a fixed wheel (not literally - it's the opposite of a freewheel) and the sprocket is screwed to the hub with a RH thread. There is then a lock ring on a slightly smaller LH thread which prevents the sprocket from unscrewing when I press back against the pedals to slow down. No abstruse physics there, but I do have a mangled hub from when I forgot that the lock ring comes off in the opposite dirtection.

George B.

Thread: Antikythera solved ?
13/03/2021 13:55:15
Posted by Michael Gilligan on 13/03/2021 09:48:27:

Erich von Däniken gets his moment of glory !!


Wrong chap. You're thinking of Earache von Heineken, inventor of the Bermondsey Triangle.

George B.

Thread: Myford id
13/03/2021 13:52:24

Howard, if I can follow up on some of your points:

The photo shows this lathe as having a cast-in headstock, so it is presumably 1937 or earlier. Lathes at that time were supplied without guards either for changewheels or backgear and I don't believe any provision was made for fitting them. We had to drill holes to fit a backgear guard to my lathe, and it still doesn't have a changewheel guard. I've never had a problem with the changewheels flinging oil out, and I've managed over the years to avoid falling into the works. Naturally, I would fit a guard if anybody else used the workshop.

Early lathes had no serial number, so David is unlikely to find one.

Incidentally David, your carriage handwheel is not original. As made, the carriage moves the opposite way to every other lathe I've ever used, which can take a bit of getting used to. There have been conversion kits made, and if you are lucky you've got one to go with the replacement handle.

That said, it's a nice lathe and I've done a lot of useful work on mine.

George B.

Thread: Does old meths burn less hot?
13/03/2021 13:30:21
Posted by MC Black on 13/03/2021 00:42:35:

Sorry to disagree but Meths is mostly Ethanol with some (poisonous) Methanol, pyridine for colour and something to make it taste bitter.


Actually pyridine for bitterness and (I think) methyl violet for colour. I understand that they don't use pyridine these days and have replaced it with Bitrex. It certainly doesn't taste as good as it used to!

George B.

Thread: Myford id
12/03/2021 17:21:58


I can do no better than to quote myself from another thread:

"Some simple measurements and observations can identify which of the different models ML1 to ML4 one is faced with:

ML1 & 2: 3 1/8" centre height, 15" between centres, 3 1/2" cross slide travel.

ML3 & 4: 3 1/2" centre height, 24" between centres, 4 1/2" cross slide travel.

ML1 & 3 ('Standard' models): Spindle bearings direct in headstock.

ML2 & 4 ('Superior' models): Bronze spindle bearings, shrouded ball thrust race.

My understanding from is that the cast-in headstock was abandoned in 1937, so from then until the ML1 and ML3 went out of production in 1941, all models had the removable headstock."

The ML4 used three different spindle nose threads, Earlier ones 7/8" x 9tpi or 7/8" x 12 tpi. Later ones used 1 1/8" x 12 tpi (the same as the ML7 but with a smaller register diameter). I don't know what threads were used on the ML 1,2 &3 but they would almost certainly have been the same."

All my information has come from Myford documents or from Some time ago I wrote to Tony at suggesting that it would be helpful if he put this information as a table in his website, but it hasn't happened.

Incidentally, if you do searches on this forum for "ML1" through to "ML4" you will discover that there is a wealth of valuable information and experience concerning that family of lathes."

George B.

Edited By Georgineer on 12/03/2021 17:23:11

Thread: Junior hacksaw blades
06/03/2021 20:05:29
Posted by Clive Foster on 05/03/2021 22:22:30:

They work much better in a proper frame iwth screw tensioner than in the cheap bent steel rod device.


I use a cheap bent steel rod device, which was the first thing I made when I started my apprenticeship in 1969. I'm planning to replace it when it wears out.

George B.

Thread: Digital Callipers - again
04/03/2021 17:28:39

That looks rather more convenient than I thought it would be, but I'll stick with my separate left- and right-handed versions.

George B.

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