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Member postings for Peter Greene

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

Thread: Can't subscribe in USA?
25/10/2021 01:50:56

Is there a company in the US that is providing subscriptions locally? If so, part of the deal is probably that you are forced to deal through them and MTM won't compete.

We had this in Canada for quite a while some years back. That was when I gave up on the hard copy magazine (the subscription prices were way more than MTM subscriptions).

Edited By Peter Greene on 25/10/2021 01:52:14

Thread: Ball screws
14/10/2021 01:41:37

Be aware that, depending on pitch, ballscrews may be back-drivable if that affects you design.

Thread: Could you get away with this today
12/10/2021 22:51:47

+1

Although it doesn't need two hundred years. There are things that were de rigueur in my youth which are PI now (according to some).

Thread: a little diversion
11/10/2021 22:46:08
Posted by Rod Renshaw on 11/10/2021 19:43:15:

Peter - I was reading the 32 nd poster responding to the original post on the Practical Machinist website, and to which I was signposted by David's suggestion to Michael.

Rod, yes that was the "original thread I was referring to" ..... and there should have been a winkie at the end of my post (a weak attempt at humour) - my apologies.

11/10/2021 22:42:44
Posted by Rod Renshaw on 11/10/2021 17:46:52:

Is there a difference between "Revolve" and "Rotate"? While it true that Circle A rotates 3 times in it's circuit around Circle B, are any of these "turns" actually revolutions? The poster posits that a revolution means going around something else, a fixed point, and by implication turning on one's own axis is not a revolution.

Seems demonstrably untrue. We commonly talk about revolutions per minute of a motor shaft.

Thread: SKY abandoning their satellite customers
11/10/2021 22:12:48
Posted by Stuart Smith 5 on 11/10/2021 19:28:53:

As public footpaths and roads are the responsibility of the local authority, they are responsible for issuing permits and checking that the utility company do the work to the correct standard. The utility companies pay fees to the LA and are issued with fines if they don’t comply.



... pretty much what I would expect. It is possible that, if the road is imminently due for resurfacing, a "quick fill" might be accepted (which is reasonable).

(Usually it's done the other way round: the road is beautifully resurfaced then a month later someone comes along and digs it up again wink )

Thread: Could you get away with this today
11/10/2021 18:30:31
Posted by Circlip on 11/10/2021 10:11:07:

No, couldn't get away with that today, no four letter words or gratuitous nakedness.

Do I live in a different world?

Thread: a little diversion
11/10/2021 18:28:16

You've been reading the original thread, haven't you Rod?

Thread: SKY abandoning their satellite customers
11/10/2021 17:16:58
Posted by Samsaranda on 11/10/2021 09:56:53:

The cable layers have dug up roads and pavements leaving behind an awful mess and the trenches are all topped of with lumpy tarmac, the trenches they have dug in the roads have left newly surfaced roads with uneven surfaces which will get worse with traffic and deteriorate further.



Seems incredible to me that they can do that. The roads must be "owned" by some body (local council, county council) and the cable layers (or anyone else) should require express permission to dig them up in pursuit of their profit-making business. Such permission should include requirements for properly restoring the surface afterwards, enforced by appropriate penalties and loss of succeeding permissions.

Thread: Workshop lighting / energy costs
06/10/2021 18:21:11

Just a side note that the vaunted reliability of LED bulbs seems to be limited by the (in many cases poor) reliability of the built-in driver circuitry for the LEDs rather than the LEDs themselves. Every failure I've had with LED bulbs/tubes appears to have been a failure of this circuitry. Often after a relatively short time.

Thread: SM205 mini mill backlash
01/10/2021 19:10:56
Posted by not done it yet on 01/10/2021 18:42:34:

A simple ploy might be to take pics in both portrait and landscape, load both into the album, use the one that provides the correct orientation - and delete the other?

'old on! None of this common sense around 'ere if you don't mind. Where d'you think you are?

cheeky

01/10/2021 19:08:36

Posted by John Hinkley on 01/10/2021 15:48:10:

The addition of a like button inevitably means a dislike one, too.

I don't see why. I know of at least one forum that has only a like-button.

Thread: Scam
28/09/2021 17:41:29
Posted by Nigel Graham 2 on 28/09/2021 11:16:14:

The residents of many countries for whom English is their second language, tend to learn American, not English,

American spelling (and word usage) is by no means uncommon from Brits on this forum either. It's creeping in there as it has in Canada.

Thread: PM Research#1 Cylinder Can it be saved ?
27/09/2021 16:52:40
Posted by duncan webster on 26/09/2021 13:34:03:

By the time you've machined a recess, fitted a plug bored out the cylinder, made and fitted a liner, you'd have made a new cylinder from a lump of iron bar.



You're right of course.

The only thing is, it "looks wrong" when the other parts have cast surfaces and the cylinder is machined. That would be my take anyway.

Thread: Heatshrink sleeving as a heat insulator for valve handles?
27/09/2021 16:46:11
Posted by Bryan Cedar 1 on 25/09/2021 22:00:59:

Can an kind member let me know if say two layers of heatshrink sleeving on the handles would help? This would be an easy solution as the handles are straight.

Seems to me this is one of those things (not uncommon here) that's easier to try than to spend two days discussing it.

My own feeling is that the material is too thin to be of much help even though it may be nominally a thermal insulator. Like the insulating washer between a power transistor and heat-sink. The washer material is actually an excellent thermal (as well as electrical) insulator - but at the thickness that is used it hardly matters.

Thread: PM Research#1 Cylinder Can it be saved ?
26/09/2021 17:57:57

Just as a btw .... PM Research will supply individual replacement castings for a very reasonable cost.

(Ask me how I know).

Judgement call of course - whether to repair or replace - in this case I'd choose the latter if it were me and have another go knowing what you know now.

Edited By Peter Greene on 26/09/2021 18:02:34

Thread: Hello everyone
24/09/2021 19:01:13

Yes.

Thread: Freeing up a domestic paper shredder. A novel use of WD40?
24/09/2021 01:39:08
Posted by Nigel Graham 2 on 23/09/2021 23:10:01:

I lubricate mine by soaking a sheet of paper with the oil, rather than spraying the machine.

Staples sell lubricant sheets for this purpose which seem to do a decent job without the mess.

23/09/2021 19:26:48
Posted by Greensands on 23/09/2021 17:55:08:

I Works wonders!

Smells nice too. wink

Thread: Hello everyone
23/09/2021 16:48:48

Who is this fellow masquerading as me.

Bah!

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