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Member postings for MW

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

Thread: Cheaper Oxy acetylene source?
01/06/2017 14:16:58
Posted by JasonB on 01/06/2017 13:38:36:

Michael, any chance of a photo of the welds, I had always thought these sets were not upto welding well not unless you include lead burning in that. Cup don't seem to say it can be used for welding?

Sorry i'm using weld out of context, I've actually hard soldered, I can show pics of that but not true welding I suppose.

I needed to fix a lampshade where the ring had come off it, so I cut out a mild steel ring with square two lugs, which I rolled each of into a tube shape with some pliers, little gap left at the top for solder and around the sides, fits beautifully now.

My propane burner flame would've been too hot (over a large area, because the nozzles are chunky) and burnt the material, which I covered to protect it. The little flame was perfect for it and very hot.

I have used it to cut through (gas axe) 3mm mild steel, you need goggles for that though and it works. So I presume it could weld?

Could even put up a video if I knew how and show you it cutting through a piece of scrap! 

Michael W

Edited By Michael-w on 01/06/2017 14:22:02

Thread: How should we describe non-metric tooling?
01/06/2017 14:11:51
Posted by duncan webster on 01/06/2017 14:09:17:

How would I describe non-metric tooling? Obsolete! Like it or not the UK is slowly but surely going over to the SI system. My children who are in their 20s and 30s simply do not understand inches, pounds etc, and expecting them to learn an obsolete measurement system to take up our hobby is living in cloud cuckoo land

I'm half way through my twenties exactly, i'm not averse to imperial if I must use it, but I can definitely understand it!

Not all the young'uns can be measured by the same yard stick wink

Michael W

Thread: Cheaper Oxy acetylene source?
01/06/2017 13:08:24

I'm not sure how big the welding is you like to do Andrew, but I find that although I want the benefits of gas welding, I don't want the fuss of having to store big acetylene and oxygen cylinders, the former being one of the hottest burning fuel gasses in the world!

So I bought the small welding kit sold by CuP for a few hundred notes, but it's perfect for me because I already have propane and I use it for small jobs, MAPP gas being a much safer gas to have around, and not so much of it in smaller disposable canisters that you can buy again from them, I'm still on my first after 6 months or so.

**LINK** (Oxyturbo set halfway down the page). 

Again, it may not be relevant to your cause but it's just what I use, no connection to them whatsoever, other than being a customer at least.

Nice to hear from you again!

Michael W

Edited By Michael-w on 01/06/2017 13:10:11

Thread: Split Infinitives
01/06/2017 11:02:17
Posted by duncan webster on 31/05/2017 23:40:42:

Those who neither know

nor care are the vast majority, and are happy folk, to be envied by the minority classes. (H. W. Fowler, A Dictionary of Modern English Usage, OUP,
1926)

Hear, hear! I think this sums up the situation admirably, it's our language just as much as theirs.

Michael W

Thread: It's not engineering but
01/06/2017 10:59:40

Very cool, I think it would be rather churlish to suggest it was anything but engineering of sorts to be honest, deserving of respect!

Michael W

Thread: Another Hello from Essex & Jason Lathe Question
31/05/2017 23:16:26
Posted by Michael Gilligan on 29/05/2017 20:33:54:

Welcome, Henry

it relies solely on the thread !!

... This is, of course, contrary to the usual design wisdom; and may be the source of your difficulty.

MichaelG.

The sherline uses threaded chucks too, it's not designed to reverse but I don't seem to have noticed any detrimental effect with regards to run out.

Michael W

Thread: How should we describe non-metric tooling?
31/05/2017 22:58:29

I believe in 1948 there was an international agreement between the U.S and U.K to tie up their systems so that you could easily switch between the two.

If you consider the fact that the U.S (13 colonies) was a colony started by and large the british as well as governed. With the capital in Virginia as opposed to Columbia like it is now. They are kinda using the same system. and even more so when you consider the above stated.

'The British Standards Institute defined the inch as 25.4mm in 1930 in the document "Metric Units in Engineering: Going SI". In March 1932 the American Standards Association were asked to rule on whether to adopt the same value (at the time the American inch was 1/.03937 mm which approximated to 25.400051 mm). Because the values were so close, and because Britain has already settled on that value, the ASA adopted this value on March 13, 1933.'

​There was apparently a Scottish Inch at one point too. One might say that the units themselves, pertaining to latin in origin, are older than the term for the whole system. And hence why they crop up in pre-metricated European nations too. 

Michael W

Edited By Michael-w on 31/05/2017 23:09:21

Thread: Lathe dilema
31/05/2017 19:20:14
Posted by SillyOldDuffer on 31/05/2017 19:18:27:

 5. Single-Phase AC....

Options 5 and 6 are the only ones I'd avoid. Other opinions may be expressed!

Dave

Whats wrong with 1 phase? Plenty of gearhead lathes use 1 phase clutch motor.

Michael W

Edited By Michael-w on 31/05/2017 19:20:59

31/05/2017 12:25:16

Has anyone tried to convert a belted lathe to a gearbox style start with quick change speeds/ratios?

Michael W

Thread: Air in the workshop
30/05/2017 21:32:39
Some people use braided hose for the showcase type of event where you dont want the plastic looking out of place on an antique boiler

Michael W
Thread: Internet scam?
30/05/2017 15:02:19
Posted by Neil Wyatt on 30/05/2017 13:00:44:

I do wonder just what circumstances the 'criminals' find themselves in and who the real villains are and why no effort seems to be made to track them down (It can't be hard to track back and find a call centre making so many calls).

Neil

Yeah it is interesting, I'm sure they flout the law by edging on the side of technical legality, i'm sure if there was a place doing that much business but in drugs rather than scams they would get piled on like a ton of concrete from the police.

Michael W

Thread: CuP Alloys Roadshow in Scotland?
30/05/2017 14:59:13
Posted by JasonB on 30/05/2017 13:03:50:

Michael I know the advise on CuP's site is good but how are you brazing with 60/40 solder? That is a tin/lead soft solder, maybe thats where went wrong with your boilerwink 2

Keith I think there is a small show in the South West of Scotland around the Dumfries area, maybe the size of Guildford or a touch smaller.

Edited By JasonB on 30/05/2017 13:06:02

lol, well I think I got the wrong name for it, it's more like a brass, **LINK**

Michael W

Thread: Split Infinitives
30/05/2017 11:53:50
Posted by Neil Wyatt on 30/05/2017 10:19:56:

Lol

Michael W

Thread: Metallurgists
30/05/2017 10:56:55

I think that one's fubar now.

The pin and the plate around it were assembled incorrectly, when they peen the edge of the pin round to secure it, they probably end up creating a stress/fracture point by hitting it or too much pressure.

Are you sure he didn't buy it from Axminster, Nick? wink

Michael W

Edited By Michael-w on 30/05/2017 11:07:17

Thread: Internet scam?
30/05/2017 10:53:11

They do this to everyone, it's not good enough to just want to be left alone anymore!

Michael W

Thread: CuP Alloys Roadshow in Scotland?
30/05/2017 10:47:20

Slightly unrelated, as i'm not anywhere near Scotland. But I would definitely count the advice given by CuP to have been a vital part of my education in brazing.

I can braze virtually anything with a certainty of knowing that it will work. Even with 60/40 silver solder! It's all in the preparation. (Specifically, I didn't know that I was using the wrong type of flux until I read CuP's advice page). 

Thanks!

Michael W

Edited By Michael-w on 30/05/2017 10:49:59

Thread: London Airport to be controlled from 80 miles distance
29/05/2017 20:08:34
Posted by Speedy Builder5 on 29/05/2017 18:32:50:

Mmmm - BA computer systems and backup systems fail . It can't happen can it ?
BobH

Ooh, trolling

Thread: Max speed for an 8 inch 4-jaw?
28/05/2017 23:57:10
Posted by Neil Wyatt on 28/05/2017 22:51:53:

If it was me I would be nervous of going over 1000 rpm with anything that wasn't perfectly balanced and a light cut.

Too right, that thing could kill you at those sizes.

People might think this is just a rare happening but I know of someone who was killed trying to turn a very large piece of wood that was thrown out.

I would seriously consider staying well away from the stated maximum speeds, you're not quite sure under what conditions or work piece they were using with it. I don't really get this obsession with speed, there's no reason why it wouldn't turn at a slower speed.              

 

Michael W

Edited By Michael-w on 29/05/2017 00:01:44

Thread: Stopping Unwanted Ribbons of Swarf?
28/05/2017 16:48:06

I have been known to rough steel with HSS taking 4mm deep cuts blushI'm not impatient, honest!

Michael W

Thread: Did we go to the moon in 1969
28/05/2017 12:53:55
Posted by Chris Trice on 28/05/2017 12:31:25:
Posted by Bob Stevenson on 28/05/2017 07:49:37:

It's curious how people with dogmatic, fixed ideas based on their own "intelligence" always accuse anyone with a different take on the data as being "arrogant"......

Edited By Bob Stevenson on 28/05/2017 07:50:27

There are no alternative facts in science. A fact remains a fact whether people choose to believe it or not.

A fact is the subject of a majority opinion, confirmed through practice and time, the expression "alternative fact" really annoys me, because it's just a fad word for falsehood.

Michael W

Edited By Michael-w on 28/05/2017 12:59:24

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