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Member postings for Michael Gilligan

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

Thread: Cutting a worm?
21/05/2019 19:04:25
Posted by SillyOldDuffer on 21/05/2019 18:33:22:

Have you tried searching for ACME threaded rod Graham? Now that 3d printing is popular it's quite cheap in 8mm, 10mm and 12mm diameters.

.

< Pedant Alert >

ACME threaded rod is not a metric standard [whatever is advertised on ebay] ... The metric equivalent is called Trapezoidal.

MichaelG.

Thread: HSS or CS taps and dies
21/05/2019 13:04:12
Posted by Hollowpoint on 21/05/2019 09:53:41:

Yes that is true. But you seem to be implying I don't have much experience. ...

.

Far from it !!

I'm sure that none of us has experience of the whole gamut of both ranges.

MichaelG.

Edited By Michael Gilligan on 21/05/2019 13:08:14

21/05/2019 09:35:57
Posted by Hollowpoint on 21/05/2019 09:26:29:

I'm very supprised to see so many recommendations for carbon steel 🤨 In my experience HSS is superior in almost every aspect.

.

I think your "in my experience" probably explains it

Not all 'carbon steels' are equal

... and for that matter, not all 'High Speed Steels' are equal

Mark's comment is also very pertinent.

MichaelG.

Thread: Help with odd milling machine spindle taper
21/05/2019 07:51:54

This may help a little, Tony: **LINK**

https://www.cnczone.com/forums/uncategorised-metalworking-machines/71862-nt35-taper-bt35.html

MichaelG.

Thread: HSS or CS taps and dies
21/05/2019 07:35:41
Posted by Emgee on 20/05/2019 22:15:48:

Check this video at 5 mins in to see what Andrew describes re swarf coming out as one ribbon per flute.

.

It's a joy to see those spirals just dancing out of the hole.

... very impressive.

MichaelG.

Thread: stamford show vandals
20/05/2019 16:50:36

There is more than a glimmer of truth in 'Gee Officer Krupke!" **LINK**

https://m.youtube.com/watch?v=tsk0MkDYHJM

MichaelG

Thread: Thread Pitch Info.
20/05/2019 09:50:38
Posted by XD 351 on 20/05/2019 08:22:04:

I just typed in hague thread in the app store search panel but try this link .

Hague Screw Thread Calculator by Hague Fasteners Ltd
**LINK**

Ian.

.

Thanks, Ian

There is something strange going on with the UK App Store

Your link works fine, and directs me to the App ...

but simply searching the store didn't show it.

MichaelG.

20/05/2019 06:19:39
Posted by XD 351 on 20/05/2019 05:16:35:

Just for those who are interested i found the hague thread calculator app for ipad/phone has a listing for this thread ...

.

Do you have a link, please ?

I can find no relevant reference to hague on the UK app store.

MichaelG.

Thread: The Chocolate Fireguard as designed by Mercedes Benz
20/05/2019 06:06:35
Posted by Old Crock on 19/05/2019 23:00:37:

[ ... ] it does raise two questions in my mind.

On average how many posts does it take to change the subject under discussion to something unrelated to the opening post?

Secondly what is the longest thread with no mention of MODEL engineering?

Just askingindecision.

John

.

Sorry, John

Finding either of those values would require the data to be parameterised ... so you will first need to define your terms and then analyse every thread on this forum, to determine at what point each thread has reached your 'threshold'.

This may take some time ... and you are the only one qualified to do it.

Meanwhile; the rest of us can just have a chat about things that happen to interest us.

MichaelG. angel

Thread: Warrington Model Engineering Developments
19/05/2019 16:48:04

Just did a search using 'Duck Duck Go' ... which found this: **LINK**

https://www.model-engineer.co.uk/sites/7/images/member_albums/71800/495425.jpg

... which includes [historic ?] contact details

MichaelG.

.

Ah but, that's Rod's album

Edited By Michael Gilligan on 19/05/2019 16:51:41

Edited By Michael Gilligan on 19/05/2019 16:53:15

Thread: Pittler lathes
18/05/2019 22:48:32

Vic,

Browsing around ... I found this page: **LINK**

http://www.remark.me.uk/pages/workshop/projects/models/pittlerconst.html

The last line of which mentions: ...

the series of articles by Geo.Gentry in Model Engineer vols. 82 & 84

It might be worth you looking-out for those.

MichaelG.

Thread: Alan Turin?
18/05/2019 20:48:36
Posted by Haggerleases on 18/05/2019 20:22:20:

Sticking up for this chap. It's Alan Turing.

.

Quite right too, Sir yes

MichaelG.

.

https://en.m.wikipedia.org/wiki/Alan_Turing_Memorial#/media/File%3AAlan_Turing_Memorial.jpg

Edited By Michael Gilligan on 18/05/2019 20:49:10

Thread: Pittler lathes
18/05/2019 19:58:24

Classy machine, Vic

... Well saved !!

MichaelG.

Thread: Steam Engine Number One
18/05/2019 19:46:36

Well done, Iain ... keep at it yes

MichaelG.

Thread: Adhesive Storage?
18/05/2019 14:45:38
Posted by Russell Eberhardt on 18/05/2019 11:20:15:

I seem to remember from school chemistry that reaction time is halved for every 10 degrees rise in temperature

.

Me too ... but the wider view is rather impressive: **LINK**

https://socratic.org/questions/in-general-what-is-the-relationship-between-temperature-and-the-reaction-rate-ch

MichaelG.

Thread: Nickel Plating Brass
18/05/2019 07:07:13

Youplate looks promising, as a source of materials: **LINK**

http://www.youplate.co.uk/anodes.html

MichaelG.

Thread: Antique Steam Engine from Doorknob
18/05/2019 05:53:34

Have any of the 3D CAD enthusiasts started modelling this machine yet ?

... It would seem an ideal subject.

MichaelG.

Thread: Harrison's Equipment
17/05/2019 22:20:53

It's worth noting that Harrison's first clocks [before the Longitude competition] were made mostly from wood.

This is a good place to start: **LINK**

https://m.youtube.com/watch?v=bUxZlSVEAk0

The man was undoubtedly a genius

MichaelG.

.

Concerning Such Mechanism: 

http://cudl.lib.cam.ac.uk/view/MS-ZAA-00883/1

and [mercifully] here is an 'accessible translation'

http://www.hsn161.com/HSN/HeskinCSM.pdf

Edited By Michael Gilligan on 17/05/2019 22:27:51

Thread: Adhesive Storage?
17/05/2019 16:17:24

As a broad generalisation:

Most things that undergo a chemical reaction will do it more slowly at lower temperatures.

MichaelG.

.

The theory is too hard for me blush

But the relationship is exponential [on the Kelvin scale]

 

Edited By Michael Gilligan on 17/05/2019 16:24:16

Thread: Antique Steam Engine from Doorknob
17/05/2019 12:32:19
Posted by Michael Hudson 6 on 17/05/2019 10:11:55:

Hi all, two updates: that clock made by the same Richard Westerman is actually still for sale, and I just bought it! eek. Still for sale as in - by coincidence the same shop has just bought it back in part exchange from the last person who bought it 10 years ago. Crazy.

.

Well done yes

It must be destiny.

MichaelG.

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