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Member postings for Brian G

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

Thread: Cannon or Carronade?
06/12/2019 13:58:15
Posted by ega on 06/12/2019 11:58:34:

Quite a bit about these in the Aubrey/Maturin novels.

I believe the foundry also made domestic items - swords and ploughshares!

Apart from the Carronades, their most famous products were pillar boxes and phone boxes.

Brian G

Thread: More evidence that the world has gone mad!
03/12/2019 10:46:13

Possibly Scunthorpe and Penistone should get together and twin with the most famous village in upper Austria?

(good luck with googling THAT 

I'll get my coat...

Brian G

Edit:  The wink was unintenional, (bl**** emoticons), but I think I'll let it be

Edited By Brian G on 03/12/2019 10:47:19

Thread: Myford Super 7 - paraffin to clean leadscrew question
02/12/2019 08:59:25
Posted by bill ellis on 02/12/2019 07:35:03:

Any degreaser will work, but in these health an safety days using petrol whilst smoking a woodbine is probably not a good option. I use white spirit as I have a few bottles kicking about and I prefer the smell to that of paraffin (kerosene).

Shaw said England and America were two countries separated by the same language, and this thread seems to prove he was right, so it might be worth adding that petrol = gasolene, white spirit = mineral spirit and woodbine = an unfiltered cigarette

Brian G

Thread: Metric micrometer what t buy?
28/11/2019 08:35:16
Posted by Henry Brown on 27/11/2019 10:31:44:

I'd noticed that Zorro had the promotion on Brian, looks a good buy. Just out of interest did you get the little adjusting spanner with your 0 - 25 mic?

Yes, mine came with the double ended spanner for the barrel and ratchet. Cromwell/Zoro don't seem to be very good at descriptions as they don't mention either the spanner or the setting standard that is shown in the picture of the larger micrometers.

Brian G

Edit:  I suspect from the markings and the fact that sell Insize in the US that Kennedy micrometers now come out of the same Chinese factory as the Insize 3203 series.

Edited By Brian G on 28/11/2019 08:59:04

Thread: Back saw for cutting steel and brass?
27/11/2019 17:39:12
Posted by Michael Gilligan on 27/11/2019 14:14:00:

As per Brian’s link ... These are the ARC ones [which have ‘half round’ edges]

Edited By Michael Gilligan on 27/11/2019 14:23:23

The ones I linked to were "joint square edge" Michael, as I assumed that the slots should have a flat bottom.

Brian G

EDIT:  Sorry Michael I finally grasped what you meant, follow the saw with a slotting or round edge file then finish off with the square one.

Edited By Brian G on 27/11/2019 17:44:13

27/11/2019 14:10:39

For a VERY narrow slot, perhaps the fine-toothed Zona razor saws might be suitable. Chronos list several . For a wider slot, how about a joint square edge file like these from Arc ?

Brian G

Thread: Metric micrometer what t buy?
26/11/2019 12:37:57

Perhaps worth mentioning in the context of this thread that this week Zoro have a "black friday" promotion and the 0-25mm Kennedy micrometer is reduced to £16.99. Mine arrived this morning and whilst it is still at the bottom end of the price range, it feels nice to use, has clear markings and gives repeatable results. Having said that, the £10 "Whale Brand" micrometer I was using was as accurate (using the ratchet, I couldn't get repeatable results with the thimble as it felt rubbery, unlike the Kennedy which comes to a solid stop), but I do this for pleasure, and it just didn't feel as natural in the hand as those I used in industry. The Kennedy does, so I just ordered the larger sizes to make up a set.

Brian G

14/11/2019 11:22:42
Posted by pgk pgk on 14/11/2019 11:10:45:

Not trying to be confrontational here but..

What's the problem with a cheap micrometer? It's basically an adjustable zero scale and a screw thread and two (hopefully parallel) anvils. Unless measuring to an accuracy greater than the mill can produce.....


If buying again I would probably go for Kennedy as I have used their measuring instruments for many years at work and they aren't much more expensive than the real cheapies. I hadn't heard about their being made by Mitutoyo, but it wouldn't surprise me, my Kennedy digital caliper is an exact clone of a Mitutoyo of the same vintage.

Personally I'll own up to using a really cheap "whale" brand micrometer. It's measuring surfaces are flat, it agrees at 3 points with my inch Starrett (so the thread should be right) and its ratchet is even enough to get repeatable readings.

Brian G

Thread: 5 speed Hacksaw
12/11/2019 10:38:58
Posted by Hacksaw on 11/11/2019 22:35:28:

...the gear knob from an Austin d

He must have had to push the saw nearly 12" before it started cutting if my Maxi was anything to go by.

Brian G

Thread: Lathe chuck guards - how many folk use them?
05/11/2019 10:56:32

I like the idea of a limit switch to enforce a fixed location for the chuck key. Not so much for safety (I have an interlocked chuck guard) but to save my regular 5 minute searches for it. I suspect that my son would say that a silhouette board or french-fitted drawer with switches for my micrometers, calipers, toolholders, scriber, rules etc. might be even better.


31/10/2019 16:59:36
Posted by David Davies 8 on 31/10/2019 15:44:31:

...Hijacking the thread slightly, what does one do about guarding a shaper, which is possibly more dangerous than the above mentioned horizontal milling machine?



An electrically interlocked cage like that used for a press comes to mind, but possibly a bit OTT for a home workshop. Personally, (and possibly wrongly) I am less nervous of a shaper than a milling machine because its rotating parts are fully enclosed. Whilst a shaper could inflict a nasty injury, a reciprocating machine probably won't pull you in like a lathe, mill or drill (or even a powerful office shredder, a colleague was nearly strangled when his tie went in with the paper).

Brian G

Thread: Blimey! It's never straightforward...
31/10/2019 16:38:10
Posted by Bandersnatch on 31/10/2019 15:45:57:
Posted by Brian G on 31/10/2019 14:49:13:

I never delete the most recent working version of Cura when I "upgrade" it.

... but does the new version want to overwrite your previous settings?

I can install, independently, a newer version than my 15.04.6 but if I try to run it, it says the configuration file is incompatible and won't run unless I allow it to be overwritten.

[ It's possible that this only happens when moving from the old (15.x) series to the newer (3.x / 4.x series) ]

I couldn't remember exactly what I had done, so I have renamed my Ultimaker Cura 4.3 folder and then repeated the update to check it. I would suggest that you rename any Cura folders to protect them before trying any of what follows. This is what worked for me but no guarantees it works for you, hence my suggestion to protect your old version.

I had the same message about resetting when going from 3.6 to 4.3 but instead of clicking "reset" just closed the message box. Then I manually copied the .def.json configuration files for my printer and its extruder (in my case these were anycubic_kossel_plus.def.json and anycubic_kossel_plus_extruder_0.def.json I assume that yours will be similar but with the name of your machine) from the Ultimaker Cura 3.6/resources/definitions folder into the newly created Ultimaker Cura 4.3/resources/definitions folder. I then launched Cura 4.3 without getting warning message and it allows me to select the printer and create valid gcode that is printing now.

I haven't got Cura 15.xx but looking at the earlier versions that are on my PC, I notice that in the past each printer only had a .json file, whilst 4.3 uses .def.json files. You could perhaps just try renaming the extensions of your copied files to suit? Sometimes new file extensions are just a proprietary name for an existing file type. I have absolutely no idea whether this is done to protect an application from revisions to the existing file type, to allow for changes, or just to obscure things.


31/10/2019 14:49:13

I never delete the most recent working version of Cura when I "upgrade" it. That way I can always go back to see if a problem is with the slicer, and I can open both versions alongside each other to confirm that they are using the same settings. Turned out useful when Cura 4.3 wouldn't recognise the printer files for my Kossell and I had to copy the settings over from 3.6 one by one. Oddly, 4.3 prints brims or skirts but like Andrew, I cannot get it to display them.


Thread: Lathe chuck guards - how many folk use them?
31/10/2019 14:42:01
Posted by not done it yet on 31/10/2019 11:29:15:

... I hope the motor (for the poster who says the work is safe when the guard is open) has a ‘no-volts’ starter to prevent a restart...

Yes it does, and I wouldn't be without one. I don't trust that a variable speed drive will remain at zero, and there isn't much indication that the machine is powered up. I also really don't want the excitement of a machine that starts after a fault, when somebody resets the emergency stop or because somebody pressed the switch after the power was turned off at the wall. At about a fiver from China or just over a tenner from a reputable UK distributor for a single-phase switch, I don't understand why anybody wouldn't want one.

Brian G

31/10/2019 09:04:58

I always use one, even to the extent of fitting a shallower guard when using a collet chuck. Three reasons:

1) it stops me leaving the chuck key in;

2) open it indicates that it is safe to handle the work;

3) I have a form of intermittent partial or total paralysis which could cause me to fall onto the machine. I don't want to find out how long my face can rest on a rotating chuck before it penetrates my skull.

Whilst conditions like mine are vanishingly rare, I wonder how many here are diabetic, epileptic or at risk of a stroke, tia or a heart attack. Perhaps worth thinking about before casually encouraging anybody to ditch the guards?

Brian G

Thread: Web-sites Going AWOL
29/10/2019 14:17:55

Sometimes an ISP's DNS server has a problem. If you think a website isn't working downforeveryoneorjustme does as its name suggests.


Thread: Tools of unknown types.
29/10/2019 06:55:32

The backplate bore looks like 52mm, which (assuming the plug bolts are 20mm diameter on a 75mm PCD) fits the Seig C6/SC6. If the bore is 50mm it fits the Chester DB10 Super.

Brian G

Thread: Unusual Pliers tool?
28/10/2019 15:43:07

I can't read the patent number on your photo Martin, but have you tried searching for it? The "Japan Platform for Patent Information" has an English search page.

Brian G

Thread: MINNIE TRACTION - Steam link between Cylinder Block and Boiler
28/10/2019 15:39:22

I just took a look at "Metric Minnie" on and although the holes are not on the metric drawings either there is a photo showing the holes made by the builder.

Brian G

28/10/2019 11:01:02

Hi Malcolm, I got curious and started looking at the book. On the last page of chapter 7 (page 148 in my 1977 edition) "The gasket can be used to mark out the area on top of the boiler where the cluster of small steam holes occur. These of course must be drilled before finally bolting down the cylinder".

As far as I can see there is no mention of how many holes make a cluster, or how big a small hole is.

Brian G

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