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Member postings for Carl Wilson 4

Here is a list of all the postings Carl Wilson 4 has made in our forums. Click on a thread name to jump to the thread.

Thread: Tube Seam
18/02/2019 11:44:19

Whether or not BA threads, number or letter drills etc are used in new work today is completely irrelevant.

They are engineering standards and could still be used if required. Not long ago I worked on aircraft where BA and BSF threads, as well as number and letter drill sizes were in use every day.

To claim that these are not engineering standards is a bit misleading.

Of course, if you are building something in your own shop, you have the choice to use any standards you like. Or indeed none at all.

Thread: Lathe Identification
16/02/2019 19:48:30

It's utter shite is what it is.

Thread: Best value parting tool for mild steel?
09/01/2019 09:24:47
Bang Good is your friend. See the parting tool review by Doubleboost on YouTube.
Thread: Copper Boiler Construction?
10/12/2018 10:55:31
NPT threads do not seal on the taper. There is a leak path around the threads.
Thread: headstock oil
04/12/2018 13:38:56
Apologies. I should have read the op. Just trying to get across that one needn't get hung up on names and such like.

I've seen a lot of people scratching their heads over oils which are all functional equivalents, just with a different name as they are the same product but by different manufacturer.

Edited By Carl Wilson 4 on 04/12/2018 13:39:35

04/12/2018 12:54:21
Nuto 32, AWS32, Tellus 32, it's all the same. It's all mineral hydraulic fluid.
Thread: Model Electric Motors?
04/12/2018 08:12:24
Could you run it from a solar cell in a solar engine kind of arrangement?
Thread: Interests other than Model Engineering
04/12/2018 08:02:44
Can be summed up by the following.

Lathe:- machine to make parts for milling machine.

Milling machine:- machine to make parts for lathe.

Also like electronics and microcontrollers.
Thread: Washing machine motor
01/12/2018 11:09:55
Agreed. They are suitable for only one application which is the one that they are designed for. The be inside a washing machine.

They are built to a budget for a very specific application. So they aren't really generic drive motors in the way an AC induction motor is.

As wasteful as it seems, the safe and best option is to recycle the whole machine. The motor will then be dealt with appropriately and may end up as a spare to repair someone else's machine.
Thread: Cutting a large round hole
21/11/2018 20:14:35
I've also yet to find an equal to the original abrafile. I have a small stock of originals that I use carefully.

I think the nearest equivalent now is a tungsten carbide tile cutting saw blade. Not as good as an original abrafile but should do a good job on the above.

A 120 mm hole saw is going to make a right mess.
21/11/2018 19:41:33
The hole saw option will be a complete dogs breakfast. Hole saws tend not to be especially round and you will end up with an oversize/oval hole.

The way to do this is to use an abrafile in a fret or coping saw. Mark it out with dividers then drill a small hole to get the abrafile in. Then saw out your hole.

Minimum amount of filing then required to achieve the final dimension.

Abrafiles are now sold labeled up as 'rod saw blades' I believe.
Thread: cutting the bar of a digital calliper
24/10/2018 20:55:59
That's meant to be a pound sign not a question mark.
24/10/2018 20:55:11
A friend of mine has just fitted a DRO to his XYZ 1440 lathe. He got the DRO from Ali Express. It has cost him ?150 inclusive of ?18 import tax.
Thread: Electrolux vacuum - Need to make a missing wheel
23/10/2018 15:56:52
The first question in maintenance is is it worth repairing?
Thread: Storing Machinery In Damp Conditions - Advice Please
23/10/2018 15:34:21
Common or garden waxoyl. Used it in the RAF to protect aircraft going into long term external storage. Works perfectly.

In my second career, have used it to protect non stainless steel components that go subsea. Works a treat, protects against seawater corrosion. Another thing to do is wrap stuff in denso tape. Sort of waxoyl impregnated fabric tape.
Thread: More collet and milling tools confusion.
08/10/2018 18:23:53
What about this

https://m.banggood.com/80mm-Diameter-ER-32-Collet-Chuck-Compact-Lathe-Tight-Tolerance-CNC-Collect-Chuck-p-1168315.html?gmcCountry=GB¤cy=GBP&createTmp=1&cur_warehouse=CN&utm_source=googleshopping&utm_medium=cpc_ods&utm_content=heath&utm_campaign=pla-ods-gb-2&gclid=EAIaIQobChMIgeWz96333QIVz-J3Ch2_XwydEAQYASABEgLsvfD_BwE
Thread: What bearings for a submersible wheelchair?
06/10/2018 17:58:50
316 stainless on ptfe is how it is done. 316 stainless is required due to the high concentrations of chlorides in seawater, and in a pool too.

05/10/2018 19:44:18
You don't need the complication of ball races etc for a submersible application.
05/10/2018 19:38:51
316 stainless steel running in ptfe bush. I have extensive experience of this running in seawater. Lasts forever.
Thread: Rocol RTD shelf life
02/10/2018 10:02:12
Regarding the query of the original poster. In industry, oils, chemicals and solvents often have a test date. This is to ensure that no deterioration has occurred in storage and that the product is fit for use. Certainly this was done in the aircraft industry.

That might be an explanation for the date on the Rocol.
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