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Member postings for Martin 100

Here is a list of all the postings Martin 100 has made in our forums. Click on a thread name to jump to the thread.

Thread: 'Intelligent' Battery Chargers
29/01/2018 14:51:24
Posted by Michael Gilligan on 29/01/2018 14:02:34:

Note: I dismissed the Lidl charger when I read the instruction manual, which requires the battery to be disconnected from the vehicle when trickle charging !!

It's lawyer speak. I have smart / multistage chargers from Race Tech, Mascot, Optimate, C-Tek and Lidl in use for a decade or more, connected for upwards of 6 months of the year to my fleet when laid up over the 'winter months' I might at some point have read the instructions but regardless I've never disconnected the battery to charge it.

Thread: Malware bytes anti virus
29/01/2018 07:55:16

From this the update was available for 16 minutes, the problem was reported to them 15 minutes after release. the update was pulled a minute later and a total fix was released 2 hours and 8 minutes after the initial release.

I've seen much worse from other suppliers of software.

Thread: Boxford Model B
28/01/2018 16:59:23
Posted by Mike Wainwright on 28/01/2018 14:09:55:

Thanks for the information. I will get the manuals from the lathes web site once the lathe has arrived and I know the information that I need.

Stand to be corrected but there should be nothing literature wise you need for a strip and basic rebuild that isn't available for free from the yahoo group.

There are also scanned copies of the Boxford 'Know Your Lathe' manual floating around online maybe on the yahoo group, with chancers selling bound scans for silly money on ebay

I think the last Boxford reprint would be in the 1980's and its long been out of print.

Alternatively the genuine thing should be here 2nd hand for about 20 quid delivered


Edited By Martin 100 on 28/01/2018 16:59:47

28/01/2018 13:42:20

The Boxford at first sight appears a clone of the Southbend at least for the saddle, apron and quick change gearbox. The design diverges for the headstock and the spindle, the thread on the nose being 55 deg on Boxfords and 60 deg on Southbends, one UK based supplier of nose fitting ER collet chucks didn't even acknowledge the difference.

Lots of other detail differences with the crossfeed and top slide dials too (at least two Boxford designs and possibly three)

Thread: I've got a screw loose
28/01/2018 13:08:32

Fuses might indeed protect the appliance but their primary purpose in plugs in the UK is to protect the cable.

The cable should be sized to the needs of the appliance but there is no technical reason why a cable rated at 13A, fitted with a 13A fuse in the plug could not supply an appliance that had a maximum consumption of 0.1A

Oh and tinning conductors for fitting in screw terminals is a really bad thing to do..

Edited By Martin 100 on 28/01/2018 13:09:33

Thread: Boxford Model B
28/01/2018 13:01:37

Boxfords Spares Website (ignore the prices they are long out of date)


Plus loads of info in the files section of the Boxford Lathe group hosted on yahoo



Edited By Martin 100 on 28/01/2018 13:02:24

Thread: B C wooden lampholder adaptor
25/01/2018 20:01:08

Maybe as late as the 1950's in some areas the electricity for lighting was supplied separately possibly unmetered and just at a flat rate compared to a supply suitable for pluggable appliances hence why these adaptors appeared. I saw one used with a low wattage iron (for clothes) as late as the mid 1970's even when single rate metering became the norm. Clearly there is no means of earth provision!

Mains DC to the home at around 200v was still in existence until about 1960 or even a bit later in some urban areas using steam powered generators that had been in service from the 1920's

I knew someone many years ago, who as an electrical apprentice in Hull with the Yorkshire Electricity Board, went round doing domestic mains conversions from DC to AC by fitting induction disc metering around 1960 ish.

Thread: What to buy at Ikea?
25/01/2018 12:47:10

Maximera drawers

Various widths depths and heights. Make your own drawer fronts and change the base to aluminium or steel if you need more capacity. Build a standalone cabinet or fit a few under the workbench

For a worklight I'd go for something built like a brick outhouse and designed for a tungsten filament lamp or a halogen...and retrofit an LED. Everything in IKEA will now be LED as standard.




Edited By Martin 100 on 25/01/2018 12:48:06

Thread: Destroyed lathe
24/01/2018 13:38:36

Sadly It never seems to be cheap easily replaceable far eastern junk that gets damaged.

Touch wood I've been lucky so far with dismantling various machine tools into easily manageable lumps and transporting them in the back of a small hired van or the back of a hatchback. I think our original lathe was moved as two lumps but we were a lot fitter then. The courier used by Arc Euro delivered the X3 and stand on two pallets exactly where I wanted without any fuss using a pallet jack in no more than a few minutes. It took longer to unpack than it did to move and the bext part of a weekend to dismantle, remove the transport grease and reassemble.

A Boxford lathe I acquired more recently a few hundred miles from base was dismantled in about an hour into very manageable bits (bed, gearbox, stand, headstock, talistock, motor, saddle, apron) I then drove home and went to bed, next day just after sunrise I unloaded it onto a platform with casters bit by bit, moved them into the workshop, before dropping the van off and going to work.

It was significantly easier doing that than getting John Lewis to deliver a Fridge Freezer direct into a kitchen without going through the entire house in muddy boots.

Thread: CE Mark - real and fake
22/01/2018 22:16:53
Posted by Phil Whitley on 22/01/2018 22:03:47:
Unfortunately, when it comes to stuff like fake "Fluke" test equipment some is good, and some blows up when you use it for high voltages.! Caveat emptor!

Do you know what Fluke kit is being faked?

Thread: London model engineering exhibition
22/01/2018 14:24:36

Anti-dementia time, hopefully someone can help!

Before the 'London' exhibition was at its current location and when it wasn't at Wembley, where was it and in roughly what years?

I know I've been, maybe in the 1980's or 90's, maybe at Olympia?

Thread: Ten Useful Things
22/01/2018 12:28:25
Posted by Bandersnatch on 22/01/2018 01:24:16:

Incidentally - at least in the old days (1970's) - NASA was very negative about the use of double-sided PCBs and, if they were used, demanded that all through holes (vias) be plugged with solid wire. Somewhere I still have a copy of the old NASA soldering standard.

Not at NASA but when we produced designs for low volume in house pcb manufacture & assembly everything that required double sided boards had no plated vias and was produced with soldered wire links (or veropins) between the top and bottom layer, always sited outside the outline of any component (nothing under IC's for example) and all components other than these links were only soldered on the bottom side. The component pads being deleted from the top layer to avoid any wicking and to aid any further rework.

Thread: Cat Litter Recommendation
21/01/2018 20:48:34

Posted by SillyOldDuffer on 21/01/2018 20:36:32:

A dose of E.coli never hurt anybody...

The problem is not only E.coli but Toxocariasis.

Thread: Arc SX2P head drop
21/01/2018 20:30:38
Posted by Ketan Swali on 21/01/2018 18:44:45f the above, but this is truly what i believe.

Arc sells the original SIEG design of machine with torsion spring. This was due to patent issues which SIEG had, which have since lapsed.

The mind boggles at how the use of a torsion spring to presumably support the weight of the head could ever be novel and thus patentable.

Thread: Buyers beware
19/01/2018 20:28:35

Bought one of these from the USA about 10 years ago, it's still working fine.

These days I'd probably roll my own using one of these for less than a fiver

Thread: Spot the fake
19/01/2018 15:02:18
Posted by fizzy on 19/01/2018 12:14:34:

Original Mini around 600kg, new mini around 1500kg. We used to race mini's, I wonder what it weighed with just a bare shell, lightened engine and a cage and seat? Not much im guessing.

660kg and 680kg are now the minimums for the two main original Mini classes in the UK (with a maximum of 25kg of ballast)


1000kg and 1125kg for the modern classes, the former based on the R50 2001-2005 model and the latter on the most recent version the F56 from 2014 onwards.


17/01/2018 00:22:52
Posted by Neil Wyatt on 16/01/2018 22:01:22:

Personally, I don't think a mid-sized car made by BMW is a 'Mini' even if it says 'Cooper' on it, has white stripes on the bonnet and is actually a very good car. If it followed the original design philosophy with modern enhancements I might think differently.

Well the Countryman is now larger iirc than an Austin Maxi, but a Countryman is also way bigger than a 2 door modern Mini. An original just looks ridiculously small but then so do most 'old' cars.

Issigonis held the same view on the bulk of the modern reincarnation, what he forgot is people are larger than they were in 1959, they now demand safety systems, they demand crumple zones and designing something that in a minor crash will rearrange your customers face on the steering wheel and legs with the gearbox and engine coming through the bulkhead is deemed really bad practice. Any high speed off-road excursion would nearly always require a body bag. In competition on circuits even with the benefit of full FIA approved rollcages, 6 point harnesses and high back seats there have sadly been fatalities.

You can now use a full tank of fuel, 400 miles or so at near 50mpg at 70mph on petrol with nothing more than a toilet break in the modern version, the original was never anything but a city car, 50 miles on a dual carriageway at 70mph in an 850 flat out even with a load of soundproofing in midsummer would leave you deaf, sweaty and exhausted, 10 miles on a twisty road would put a smile on your face, 300 miles in a day would often require back surgery, been there done that got the t-shirt.

The door pockets on the original with sliding windows and the rope door catch release could accommodate iirc four bottles of gin each side, the modern one really struggles with a bag of loose change and a few throat lozenges, but then again it's now significantly more than a sheet of cardboard covered in vinyl, and a door skin 60 thou thick between you and the outside world.

Thread: Ten Useful Things
16/01/2018 19:09:58
Posted by Geoff Theasby on 16/01/2018 10:46:25:

Re: the Weller irons, they ARE an industry standard, but having used one professionally for many years I'm not sure why. The bits are hollow and soon burn through, and the base unit holds only a transformer which fails rather too often.

The only Weller irons I'm aware of with with just a transformer in the base are the magnastat ones using the curie point to operate a contact in the body of the handset.

I've never seen a tip burnt through, loss of plating after many months and thousands of joints but never burnt through. Never seen the transformers nor anything fail on them but the swich in the handset. (we didn't have a production line but our 'office' had about 50 in use for field work) I think I might have one kicking about in the shed. It's not been used for 25+ years. A 50W Weller with digital temperature control (7 segment display) gets used now and again on kit dating up the mid / late 80's, anything newer and I use a Metcal MX500, 13.56MHz RF tips, spot on temperature control and near instant heating from cold.

I'd drop the PCB holder and add a headset magnifier with really good lighting as essential for any surface mount work. Even better would be eyes with half a century less use.

Edited By Martin 100 on 16/01/2018 19:13:07

Thread: Spot the fake
15/01/2018 20:21:26

Fake on the right, battery cover is 'wrong'

Having said that the IP67 rated silver coloured Mitutoyo calipers have in the past year or so changed the battery cover design from a posidriv screwdriver job on the rear to using a 2p piece on the front

Concerning Mitutoyo stuff, Is anything other than this particular caliper being faked? (and sold on ebay)

Thread: Machinery's Handbook
15/01/2018 15:29:25

I've got a copy of Machinerys Handbook 'indoors' maybe 20 years old and rarely used.

These get far more use



Both are available from elsewhere, the latter is a lot cheaper on ebay (£20 ish) and in an 'international edition'

There is also a link near the back of the black book and a code on a hologram to get a free drill/tapping wallchart.

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