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Member postings for Swarf, Mostly!

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

Thread: Coffee in this instance ... [ hopefully not too off-topic ]
27/01/2020 14:21:33

Hi there, all,

Hopefully not too far off-topic:

I read somewhere, long ago that coffee was native to the Arab Peninsula. It became a productive crop in South America after the seeds were smuggled there in the hollowed-out handle of a walking stick.

This next bit is even further off-topic!

In a similar way, the rubber tree was originally found in Central & Southern America but became a notable crop in the Malayan peninsula after, wait for it, the seeds were smuggled there in the hollowed-out handle of a walking stick!

Please note: my last formal Geography education was in 1951 - please indulge me and forgive me if my geographical terms are out of date.

Best regards,

Swarf, Mostly!

Thread: Myford ML7 clutch
11/01/2020 09:57:04

Hi there, Paul,

To answer your concluding question, we would need to know the number of ML7s with clutches as a percentage of the total ML7 population. It would be an interesting subject for a poll. I suspect that the answer would be significantly less than 50%. It would be ridiculous to conclude that the clutchless ML7s are not 'really usable'.

I ran my own ML7 quite happily for several years before fitting it with a countershaft clutch. (I cheated - I did not buy a complete clutch but just the parts I didn't fancy making. )

With respect, your phrase 'flat out' is missing the point - the motor is best cooled and hence happier when it is running at full speed. It is the inrush current that flows in the motor start and run windings as the motor runs up to speed that causes the most stress. Also, the centrifugal switch will accumulate deterioration with each start event (e.g. contact arcing & fatigue of flexures) . However, one would hope that a conscientious motor designer would design for these effects.

The countershaft clutch does ease the burden on the motor but, in my opinion, it is an enhancement rather than an essential. I would not be so willing to acquire one at today's prices as I was back in the 1980s when components were available as spares from Beeston Myford.

Best regards,

Swarf, Mostly!

Thread: New legislation that could affect us all.
09/01/2020 16:07:00

Hi there, all,

I'm very surprised that there has been no mention of an essential attribute of toilet seats and lids. Namely that when seat and lid are raised, they should be in a state of equilibrium and in no danger of falling closed.

This was not difficult to achieve in the case of toilets that were fitted with the 'Old English Long-drop' elevated cistern and long flush-pipe but I expect these are few and far between nowadays. Fast forward to modern times and the close-coupled suite and I assume that the desired condition is an integral aspect of the geometry of the sanitary hardware.

However, the problem of falling lids/seats might still be experienced in toilets of intermediate age that employ a low installation position for the cistern and a discrete but short flush-pipe.

A politically incorrect acquaintance has occasionally been heard to refer in an exasperated tone to 'damned female plumbers!!'.

Best regards,

Swarf, Mostly!

Thread: Watch servicing
05/01/2020 17:14:51

Hi there, all,

Just out of interest, is repairing the fusee chain in a pocket watch a dying art nowadays? Or dead?!?!

Separate question: I read somewhere that Bridport used to be a manufacturing centre for fusee chains, using teen-age boys to do the work - why and why??

Best regards,

Swarf, Mostly!

Thread: Myford super 7B Chuck threads
02/01/2020 14:39:10

Posted by Georgineer on 02/01/2020 12:58:10:

SNIP

George

P.S. If anybody wonders how I got ½ instead of 1/2, the secret (in Windows) is to hold down the Alt key and type 0189 on the number pad. There's a whole world of alternative and useful characters out there!

A useful tip, George. I use another method - go into 'all programs', then into 'accessories', then into 'character map'. I keep it pinned to the task bar. That's how I got '1⅛" Whit', well the '⅛' anyway!

Best regards,

Swarf, Mostly!

02/01/2020 10:39:56

I'm sure I remember something in the literature put out by the original (Beeston) Myford to the following effect:

Chucks and backplates sold with an ML7 or Super 7 lathe were factory fitted to that particular lathe. Backplates sold as spares were sized to require a light easing of the parallel register to ensure a close fit to lathe spindles that had done some work and might consequently have, by then, worn a bit undersize.

Of course, this is separate from any thread issues.

It might be pertinent to add that, a few years ago, I bought a set of taps sold as being 'Myford nose thread'. On arrival, I found that they were clearly marked '1⅛" UNC' which is a 60° thead form. The suppliers then sent me a set marked '1⅛" Whit' but I've never been able to detect any difference!

Best regards,

Swarf, Mostly!

Thread: Scam alert
19/12/2019 14:01:27

Hi there, all,

A neighbour who works for an engineering/fabrication company told me recently about 'the drill sharpening scam'. I guess this is probably not too much of a risk for hobbyists. However, it's been causing a lot of trouble for engineering businesses.

I won't take up the space to go into more detail here but I suggest any engineering/fabrication professionals might do well to Google 'drill sharpening scam'.

Best regards,

Swarf, Mostly!

Thread: Impulse buy German pillar drill
15/12/2019 14:25:50

Somebody once told me that one merit of the NATO stock number system was that it enabled one to distiguish betweem 'hangars, aircraft' and 'hangers, coat'.

Best regards,

Swarf, Mostly!

Thread: What Did You Do Today 2019
24/10/2019 10:27:22

That looks like a good repair.

However, I hope that piece of hard wood isn't oak. If it is, I'd advise a coat of varnish, pdq!

Best regards,

Swarf, Mostly!

Thread: ML7
28/09/2019 20:26:05

I've done some milling in my ML7 using the vertical slide. I managed, with care, to achieve quite acceptable results.

The main draw-back to that method is that setting up can be difficult because gravity pulls the work-piece 'sideways' .

Best regards,

Swarf, Mostly!

Thread: Unusual GPO hammer?
28/09/2019 20:19:56

Back in the 1960s one of my work colleagues had previously been a GPO Linesman. He told us that his toolkit included a hammer, I don't know what it looked like. He said that the most important use of that hammer was, before climbing a telegraph pole, to give the base of the pole a smart wallop. If the resulting sound was 'dead' you didn't 'go up the stick' . The 'dead' sound indicated a rotten pole.

My apologies if I've misused any technical terms - I'm reporting second hand and it was a long time ago!

Best regards,

Swarf, Mostly!

Thread: What Did You Do Today 2019
22/09/2019 19:12:30
Posted by Bazyle on 22/09/2019 14:00:55:

Went up to the track (35minutes) in time to help clear up and empty the fire buckets (30 minutes) and returned home (35 minutes).

SNIP

I don't remember who asked "Who else but the English would write 'FIRE' on a bucket and then fill it with water?!?! ".

Do yours have the hemispherical bottoms?

Best regards,

Swarf, Mostly!

Thread: Are there any left?
11/09/2019 16:22:06
Posted by Bryan Cedar 1 on 11/09/2019 13:28:40:

Does anybody remember Arthur T Sallis in Brighton opposite the swimming baths in North Road. I used to visit it every time we went swimming. Rembember bying a 1154 Aircraft transmitter there, now worth a lot of money. Thaat was back in the early 50's.

I used to visit his shop whenever I was in the vicinity. The last time I called, he was somewhat agitated - apparently he had a fairly large warehouse full of stock (someway from the shop) but Brighton Council were intending to compulsorily purchase it, bulldoze it and build a car-park on the site.  Wherever was he going to rehouse all that stock!  I remember that there was a shop across the road that sold all sorts, shapes and sizes of corks.  They had a cork lathe in the shop window but I never saw it in operation.

Another emporium that suffered a sad fate was in New Oxford Street, London. Apparently the proprietor died but the local council (Holborn? ) withheld permission for lorries to park outside the premises so that the stock could be removed! I never did hear how that situation was resolved.

Best regards,

Swarf, Mostly!

Edited By Swarf, Mostly! on 11/09/2019 16:23:56

Edited By Swarf, Mostly! on 11/09/2019 16:25:27

Thread: Equity release!
31/08/2019 18:54:51

Hi there, all,

A widowed and childless uncle of mine did the equity release thing several years ago. I never discussed it with him so I don't have much detail of his experience.

One bit I do remember, though, is that the organisation concerned imposed very stringent house maintenance requirements - obviously they don't want their investment to deteriorate through wear and tear. Still, complete exterior decoration annually seems a bit extreme!

A topic worth pursuing before signing up.

Best regards,

Swarf, Mostly!

Thread: Garden shed find
18/08/2019 19:24:46

Hi there, Geoff,

Congratulations on your acquisition.

Since my brief sojourn in the Trainee Model Shop in 1955, I've always lusted after a drilling machine with real back-gear. It's so much better for cutting large circular holes in sheet metal using a trepanning tool. For example, making mounting holes for meters in electronic device front panels. I've always been suspicious of belt slip and insufficient available speed reduction with the drilling machines that employ three cone pulleys.

Best regards,

Swarf, Mostly!

Thread: Grid Frequency [mains electricity]
13/08/2019 10:12:55
Posted by Mike Poole on 13/08/2019 09:40:21:

I am under the impression that the supply also guarantees to supply the correct number of cycles per day to avoid clocks accumulating an error.

Mike

As a result largely of the campaigning by Mr. Frank Hope-Jones, of Synchronome fame.

Best regards,

Swarf, Mostly!

Thread: Dam Solution?
05/08/2019 11:12:58

Hi there, all,

I recommend this YouTube channel. **LINK**

Juan Brown gave the most objective running account I was able to find throughout the Oroville Dam situation.

Best regards,

Swarf, Mostly!

Thread: Surplus subjects learnt at school.
20/07/2019 15:48:28

First of all, my apologies to NDIY for misreading his post.

On the subject of Latin, I was in the Latin stream from 2nd form to 5th form. We were taught (with varying degrees of success) both Latin language and Latin literature.

The only remaining trace of the latter is a line from Catullus, 'Alas, my purse is full of cobwebs'. Now, why ever should that line have remained in my memory?

Best regards,

Swarf, Mostly!

19/07/2019 21:00:50
Posted by not done it yet on 19/07/2019 20:45:31NIP.

Until 1963, the grammar school did not have any wood or metal working facilities - we went over to the secondary mod school for a double lesson in woodwork once a week while the girls did domestic science.

SNIP.

I have to disagree with you there.

I attended Woking County Grammar School for Boys (to give it its full title) between 1947 and 1954. On the lowest floor of the school building there were an active woodwork shop and an active metalwork shop. There was also a third shop known as 'the Plumbing shop' though I have to admit that that one was only used as a miscellaneous storage space.

That building is a Police Station nowadays - re-purposing it must have been quite a challenge for the architects concerned.

Best regards,

Swarf, Mostly!

Thread: Wood in small (or large) amounts
18/07/2019 16:05:35

I used to live in Romford in Essex. Many of the residential streets there were lined with mature lime trees. Lots of those trees fell casualty to 'the great October gale'. The Council guys turned out with their chainsaws and cut the trunks into short enough lengths to be man-handled out of the way so the milkmen and Postmen could get through!

I know that lime trees are best avoided when choosing a parking place because of their sticky sap. Having taken insufficient notice when my father was trying to pass on his woodworking skills, I've no idea of the merits of lime wood for woodwork - however, I did think it was tragic that those fallen trees couldn't have been removed some other way that would have preserved their usefulness.

Best regards,

Swarf, Mostly!

Edited By Swarf, Mostly! on 18/07/2019 16:05:54

Edited By Swarf, Mostly! on 18/07/2019 16:06:29

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