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Member postings for Stuart Bridger

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

Thread: be careful out there people!
26/08/2019 09:30:14

Had a few minor "belts" over the years. Nothing too serious and 100% caused by lack of concentration. Only ill effects being muscle strain in the arm closest to the contact. It's certainly not a pleasant experience.

26/08/2019 07:34:05

The answer is to prevent current flowing across the heart, resulting in a cardiac arrest.
One hand in the pocket means that current should flow down the arm and then down the body to ground.
If the other hand is contact with the casing of the machinery, then the current will flow from one hand to the other across the chest. The one handed technique should make a shock much more survivable.

25/08/2019 22:05:24
Posted by Mark Rand on 25/08/2019 21:59:32:

All operatives will keep one hand in their pocket at all time when working on open switchgear. BTH/AEI/GEC-Machines Rugby safety book.

100% agree, that was what i was taught when did my apprenticeship many years ago

Thread: Flash player
16/08/2019 13:39:34

Flash is notoriously insecure, which is why most browsers block it by default.

Thread: What 3 Words
16/08/2019 12:31:58

There has been a lot of publicity recently, several UK fire services have announced support as well as articles on the BBC website

15/08/2019 20:55:22

In my opinion one of the most innovative uses of technology for a long time. Now widely being adopted by the emergency services. It could literally be a lifesaver. Much simpler than an OS grid reference and less error prone than reading out lat/long. Whether your house is difficult to find, (mine doesn't have a number) or you are working in a remote location being able to have a simple 3 word phrase that will precisely locate you is very valuable. It is already widely used in industries such as forestry.

Thread: New Milling Machine
13/08/2019 19:17:22

I wouldn't be without a DRO on a mill. It makes working so much easier. Not just switching units, but functions such as decide by two for locating workpiece centres.

Thread: Grid Frequency [mains electricity]
13/08/2019 19:12:30

There was a person being interviewed on R4 PM today, who was indicating that one of the weaknesses in the grid was down to "lack of inertia". Older larger generating stations, take time to wind down. Newer sources trip out very fast, with a big impact on the frequency and the grid is not geared up to absorb this.

Thread: Posilock Chuck
12/08/2019 09:13:31

Tracy Tools do a good range of screwed shank cutters.
I have the Warco autolock chuck on my VMC mill

Thread: Black Oxide coating
12/08/2019 07:33:49

The classic industrial blacking process is phosphating, which uses phosphoric acid to create the black surface, which is then sealed with oil. This maybe what the OP is referring to.

Thread: Locking Levers
05/08/2019 16:10:35

RS have always been a premium supplier,mainly due to pretty much guaranteed availability for next day delivery. Over 30 years ago I worked in an Electronic repair shop, While we kept a good stock of basics, we knew we could rely on RS for next day delivery to complete a job in the vast majority of situations

Thread: Shot peening for metal improvement
05/08/2019 12:57:16

I know that they were doing this at Brooklands in the early '80s. Tornado taileron skill panels IIRC. I have checked my apprentice log book and have no notes on the subject, either on process or inspection/testing

Thread: Upgrading to fibre optic broadband
31/07/2019 09:04:57

Mostly "Fibre" Broadband is the biggest marketing con in the telecoms industry.
What BT and the other providers who use Openreach infrastructure are offering is FTTC, Fibre to the Cabinet. The speed you get is determined by the bit of manky copper, between the cabinet and your house. What you typically find is that they wont offer you a speed until they have tested the line.

Contrast this to true FTTP, Fibre to the Premises, which actually does run a high speed, highly reliable optical cable right to your router. This will typically run at Gigabit (1000Megabit) line speed and is symmetrical (same upload speed as download.

The big question is what is your usage profile. If you are a single user with occasional browsing, etc, the ADSL will be fine. However if you have a family with several teenagers, online gaming, watching movies, etc, then the extra bandwidth is of massive benefit.

How do I know this, I worked with a FTTP start-up to get true fibre into our village. I work from home in an IT role. We have had the service for 5 years now. I could get full 1000Mbit, but in practice I only pay for 50Mbit, which is enough for working, downloading large files, video conferencing, cloud backup, etc.
It is a premium service and I believe that still only 30-40% of the village have switched providers as the rest either don't need or aren't will to pay the premium. I pay ~£40/month for my 50MBit line.

Thread: 3 phase - radio puzzle
30/07/2019 22:07:50

The IMO part can be found here **LINK**

30/07/2019 17:32:50

I would recommend speaking to Inverter Drive Supermarket. When I did my 3phase conversion on my lathe, they were incredibly patient in specifying a solution and answering my novice questions, all for a single one off order.

Thread: Up and over door seal
30/07/2019 10:10:18

Screwfix seal linked above worked for me

Thread: 3 phase - radio puzzle
30/07/2019 09:49:28

+1 on the EMC filter. I fitted one when I did my lathe conversion and have never had any issues.
Only thing to watch out for is additional earth leakage, which may trip your RCD.

Thread: Anyone recognise this mains connector ?
29/07/2019 16:58:28

Further info, there is an image here, confirming it is a ceramic connector.


You also need an external temperature controller

29/07/2019 16:44:21

looks like the Efco 110 is still a current model.


The design may have changed, but you may be able to get some assistance from the manufacturer

Thread: Hello from Oxfordshire
26/07/2019 10:11:16

Hi Graham,

Welcome, whereabouts in Oxfordshire are you? Regarding your workshop. I would recommend speaking to Malcolm Bason at MB Tools. He is a 2nd hand machinery dealer specialising in home workshops and is based in Freeland near Witney. He advertises in ME magazine and often has machines for sale.



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