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Member postings for Nick Clarke 3

Here is a list of all the postings Nick Clarke 3 has made in our forums. Click on a thread name to jump to the thread.

Thread: AA batteries
27/07/2021 09:37:38

Naming an offender IKEA yellow AA batteries will not work in my Worcester Bosch wireless central heating controller for just this reason

Thread: Myford Gear Spacers
26/07/2021 08:12:19
Posted by Howard Lewis on 25/07/2021 21:07:16:

We may work in Metric now, but they didn't start, in most cases, until after 1971 when the slow changeover to Metric began.

I think you are out by about 150 years - see this timeline for metrification UK Metric timeline

Thread: Warco WM180
22/07/2021 14:37:10
Posted by Steve Millward on 21/07/2021 22:35:32:

Thanks for all replies it’s appreciated

while I’m here has anyone made a crank handle for wm180

if so has anyone got a drawing they would like to share

cheers

Watch the youtube vids and see if a drawing is really necessary. The only dimension that matters is the spindle bore which is apparently 21mm - I made one for my Sieg SC3 which like many other mini lathes has a 20mm bore so I used a bit of 20mm o/d x 2mm steel tube for the main body - you will probably have to turn something to fit;.

Thread: Hydrogen
22/07/2021 14:17:33
Posted by Calum Galleitch on 22/07/2021 14:01:55:
Posted by Nicholas Wheeler 1 on 22/07/2021 10:07:38:

Just like any other 'new' system, how are you going to develop the infrastructure and who is going to pay for it?

One presumes in the same way we did for horsefeed, for petrol, for electric vehicles, as we did and do for any new technology deployed at scale.

There seems to be an awful lot of "wellwhataboutism" on this forum - the purpose of engineering is to solve problems, not find reasons it can't be done! It's one thing to say "I don't understand how this can work", it's another to say "and therefore it won't work"!

Quite agree - and if fast electric chargers are to be installed all over the place the electric infrastructure may well need upgrading anyway.

Any change away from current technology will demand changes and this film shows me that the choice lies between battery electric, hydrogen and hydrogen fuel cell electric. The first demands resources that could well be limited in availability and very expensive while both of the others demand pipes, tanks electrolysers and tankers - all current technology and no resource implications. Thereafter the cost difference between fuel cell and direct hydrogen combustion sells it to me.

Edited By Nick Clarke 3 on 22/07/2021 14:18:45

Thread: Vehicle reversing sensors
18/07/2021 09:18:00
Posted by Martin Cargill on 18/07/2021 07:59:13:

Reversing light, you flash ba****d. I have the mark one eyeball fitted to my series Land-Rover. If that fails I revert to the mark one ear and park by sound, You just pull forward a bit after the crunch noise.

Martin

That sounds like the blind skydiver who knew it was time to bend his knees for landing when the dog's lead went slack! laugh

Thread: Man management
12/07/2021 17:32:24

Why am I reminded of one of the Dilbert Principles where someone is promoted higher and higher until their incompetence no longer affects the rest of the organisation. Like much of Dilbert it is clearly tongue in cheek - until you think about it! ................

Thread: Metal Suppliers
11/07/2021 09:44:05
Posted by John Flack on 20/06/2017 09:58:23:

For many years I used Edwards metals in Brum they were located in the shadow of VIlla Park, small enough to be helpful and encourage loyalty. Have never seen them mentioned hereabouts

Not quite in the shadow now, but still there - and they produce a catalogue that is available online Edwards Metals

Thread: Change Wheel Programme from MEW
03/07/2021 16:10:17

I do recommend BASIC for beginners, but only in a special set of circumstances. Until I retire later on this year I teach blind and visually impaired students and the ability of the code to be read by a screen reader is important.

Leading whitespace is ignored by screen readers so its use to block sections of code, as in python is difficult.

Improper punctuation such as full stops in the middle of statements or function names are also ignored.

As a result while those with a flair for programming can pick up the need for things that are not spoken to them, and many successful programmers are blind - using any or all of those languages Dave has mentioned, those just dipping their toes in for the first time find a traditional BASIC far easier to succeed in, in the first instance.

As a sometime C programmer IMHO it is obviously the best one to use - but after writing out the changewheel program in C I could not understand my own syntax laugh

Thread: The Workshop Progress Thread 2021
30/06/2021 11:50:18
Posted by Steve Neighbour on 29/06/2021 22:18:47:

Did you just wonder if Model Engineering is "cheap" ?

I always tell swmbo it is really cheap wink 2 (a lot less than her gardening and other hobbies)

Anyone think different ? probably be wise to secret

But honest dear - lathes and milling machines are expensive because they come with all the accessories and materials you will ever need!

Even I couldn't make that seem plausible! face 1

Thread: 0-4-0 Gemma 7.25"
27/06/2021 09:25:38

7¼" Tich from GLR Kennions?

Thread: What Did You Do Today 2021
18/06/2021 07:15:03
Posted by Nigel Graham 2 on 17/06/2021 23:35:24:

I've concluded metal-forming beyond the very simplest cylinder-rolling, straight-line folding and bashing-it-over-a-block-of-wood, is of the Hermetic Arts. Although such sheet-metalwork is very long-established professionally, I have never seen any examples of, instructive literature on, or tools for, it beyond those basics, in model-engineering.

While a long time ago, if you have access to them through a club or local library, the articles in the 1920s and 30s by Herbert Dyer (also writing as H Dyer) are excellent - see the ME index for more information.

Thread: Which was the better design of Airship: R100 or the R101?
12/06/2021 15:59:23
Posted by martin haysom on 12/06/2021 13:57:09:
Posted by Greensands on 12/06/2021 12:59:59:

........................ and there is certainly evidence of incompetent design in the R 101.....................

Is it possible to elaborate on this evidence?

to my mind filling the thing with hydrogen was the biggest one

Unfortunately the USA had a monopoly in helium and it was far more expensive than hydrogen that could be produced anywhere. Helium produces less lift than hydrogen and lift is what the R101 appears to have been short of. Therefore the decision to follow the standard practice and experience of the time by using hydrogen makes sense. Using helium does not.

11/06/2021 14:40:09
Posted by Bill Pudney on 09/06/2021 23:27:08:

I read a biography of Neville Shute which was extremely critical of the detail design of the R101

cheers

Bill

Neville Shute (an aeronautical engineer and keen model engineer as well as a novelist) described his time as Chief Calculator for R100, no 2 to Barnes Wallis, in his autobiography 'Slide Rule' which also includes comments on the R101

Edited By Nick Clarke 3 on 11/06/2021 14:41:03

Thread: Brazing Hearth
09/06/2021 10:22:56
Posted by br on 08/06/2021 20:51:13:

John B

Forgive me for stating the obvious but it need to be capable of being used in the vertical plane as well as the horizontal, hence the need for the packing blocks to contain the vessel in either.

bill

Or a hole in the metal or whatever base and suitably shaped firebricks to allow the tubeplate or backhead of your boiler to poke through from below.

Thread: The Workshop Progress Thread 2021
07/06/2021 17:34:34
Posted by Ron Laden on 07/06/2021 13:05:06:

Oops, so it does I think I need a visit to Spec Savers.

I wonder just which shop you will end up in? crook

Only joking Ron - I had a card-ectomy (the forcible removal of money from a debit card) on Friday for some new glasses myself. I usually reckon I need them when they start printing the clues for the Telegraph crossword in grey fuzzy type - a new pair of glasses and they start using black print again!

Thread: Air tools
07/06/2021 17:27:15
Posted by not done it yet on 07/06/2021 17:00:45:

I expect that if the compressor was from machine mart (or lots of cheap chinese brands) it is quoted as ‘Air Displacement’, not Free Air Delivery - whereas the tool usage will be the absolute best ‘air delivered’ when new, and likely rounded down to the nearest unit. There can be a huge difference between AD and FAD. It’s called efficiency.

Hence it is likely your compressor was never really enough for the duty. Should have bought a bigger compressor.

I looked for a decent axial air tool with low rpm, but failed to find anything suitable. Check out die grinders if high speed is required.

Sadly +1 I'm afraid

Thread: KENNIONS MODEL ENGINEERING SUPPLIES
04/06/2021 08:25:24

There were some errors in drawings for one of their own designs and when they became aware of this they commissioned corrections and sent out the corrected ones FOC to purchasers. IMHO this is very rare, if not unheard of.

Fast service, reasonable prices and quality goods and materials.

Thread: LBSC Gert Drawings
03/06/2021 08:30:02

Gert was a LBSC design produced exclusively for Reeves and was not published in ME certainly, and I suspect not in any other magazine either, so they may be a source of information provided it has been passed on through the various changes in ownership.

This and the 3½" version Daisy, do not even make it into Brian Hollingsworh's book on LBSC.

Thread: Elmdon MES Spring Bank Holiday
26/05/2021 11:28:56

This weekend is the reopening of the Elmdon Miniature Railway at the Wythall Transport Museum near Birmingham.

Public running 12:00-2:00 Saturday May 29th and 10:00-4:00 Sunday 30th and Monday 31st.

Elmdon MES & Whythall Steam Railway

Wythall transport Museum has collections of buses and electric vehicles and also offers vintage bus rides.

Wythall Transport Museum

Thread: New use for a slide rule
23/05/2021 18:26:47
Posted by Paul Rhodes on 23/05/2021 18:18:53:
Posted by Nick Clarke 3 on 23/05/2021 17:48:03:

And one of my most reread books is 'Slide Rule - The Autobiography of an Engineer' by Nevil Shute - It should be essential reading for any young engineer involved with a large project - and a good read for us older ones!

........no doubt read "On The Beach.."

Depressing but another good read IMHO

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