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Member postings for Thor

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

Thread: Turning Cast Iron question - Health & Cleaning Up
06/05/2019 04:41:13

Hi Jim,

I have turned (and milled) a few cast iron items and I try to cover the slideways of the lathe and I wear a dust mask. After I have finished turning I use the old Hoover.


Thread: Which milling cutter shank for ER collets
03/05/2019 19:19:38

I often use threaded shank end mills or slot drills in my ER chucks without any problems, just remember that the nuts on ER chucks need to be tightened with a fairly high torque.


Thread: Tracy Tools
03/05/2019 13:01:37

I have ordered taps and dies from Tracy Tools several times and I am very satisfied with the items I received.


Thread: Removing Flux
02/05/2019 10:43:12

Hi Paul,

Diluted sulphuric acid is often used for pickling, but must be handled carefully. I now use citric acid in warm water.


Thread: 2mt Myford Collet
01/05/2019 05:49:22
I am looking for a 3/64" Myford collet if anyone has a spare, once I obtain that elusive one I have a full set.

I will probably never use it, but it annoys the hell out of me that I dont have one !!


If you can't find one you could try and make one?


Edited By Thor on 01/05/2019 05:51:18

Thread: Is it Brass or Bronze
30/04/2019 18:44:27

It has been discussed before,



Another link.


Thread: Cheddar Models Boiler with Worthington Duplex Pump
29/04/2019 15:33:49

Very nice work Gerald, thanks for sharing.


Thread: Brazing steel
28/04/2019 05:51:03

Hi David,

I have silver soldered (brazed) mild steel to leaded free-cutting steel without any problems when fabricating a small cylinder for a steam/compressed air engine.


Thread: What a brilliant young man
19/04/2019 12:47:44

 Yes, very impressive. Same guy as in this post?


Edited By Thor on 19/04/2019 12:48:18

Thread: No 20 machine oil
13/04/2019 08:55:00
Posted by AdrianR on 13/04/2019 08:38:33:

I have been reading about the effects of sulphur used in the EP additives on yellow metal bearings. Are hydraulic oils free from sulphur and compatible with yellow metal bearings?


Hydraulic oils have many additives, usually also anti-wear additives (like zinc dialkyldithiophosphate), see here, or here. Sulphur based EP additives may attack yellow metal bearings. But I have never experienced any problem with hydraulic oil and yellow metal bearings.


Thread: Black Holes
12/04/2019 17:38:07

Danny, you are not the only one with a workshop floor that acts like a black holewink


Thread: Lathe idenification
11/04/2019 10:15:08

Hi Gerard,

You may be right about it being a Honden, don't know much of the Honden but I think I have the manual and I have made a few tools for the lathe, also sendt you a PM.



Edited By Thor on 11/04/2019 10:32:24

11/04/2019 06:24:25

Hi Gerard,

My first guess would be an Asian clone of the Emco Compact 8. I have the original and I am very happy with the lathe.


Thread: Steam Boiler
09/04/2019 06:25:59
Posted by Boiler Bri on 08/04/2019 20:27:44:

Has anyone read the code that the Australians use for stainless steel boilers?


I only found these on the Internet, seems you have to buy a copy, others may be able to find it.




08/04/2019 15:41:40

Most states in Australia accepts model boilers made from "Duplex" stainless steel. Have you contacted your club boiler inspector about using Inconel steel, you may have trouble getting it certified.


Thread: Suitability of hot rolled steel for machining
05/04/2019 06:12:32

I too use a lot of hot rolled steel, and use carbide tools to get rid of the scale. It works well for the things I make but it is a bit more difficult to get a nice finish like you get with a free cutting steel.


Thread: Knurling speed
03/04/2019 05:30:28

Hi Maurice,

I tend to do my knurling jobs at a somewhat lower speed than for turning but it seems you can use the same speeds as you would for turning. I found this and this on the web that may be of help.


Thread: Completed models - just out of interest
24/03/2019 10:12:26

Hi Bill,

I have kept some of the model steam engines I have made, other I have given to friends. Occasionally I run the models just for fun.


Thread: More Workshop space, shall I or not..?
23/03/2019 17:15:05

Hi Ron,

I know what you mean about small workshop, mine is about 2.5m x 1.7m so may be slightly larger. I assume you are also thinking about putting the railway in your shed if possible to free "the other space" for your lathe and mill. Let us know what you end up with.


Thread: Microsoft Word
17/03/2019 14:35:41

I usually use PDF when sending/publishing files, works on most computer systems.


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