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Member postings for Clive Brown 1

Here is a list of all the postings Clive Brown 1 has made in our forums. Click on a thread name to jump to the thread.

Thread: Myford ML4 Threads
11/06/2017 19:04:37


My experience, such as it is, of British made hobby machines of that era suggests small whitworth thread sizes, especially if tapped into cast-iron.

Thread: Drill bit accuracy
03/06/2017 19:28:15

My elderly "Dormer Twist Drill and Reamer Information Handbook" lists diametral tolerances according to BSS.

All tolerances are +.0000. Minus tolerances vary from - .014 mm for drills up to 3 mm. dia. to -.054 mm for drills between 80 to 120 mm. dia.

A 10mm drill for example would be +0, -.027.

Off-centre grinding would change this of course.

All reamers are plus tolerances

Edited By Clive Brown 1 on 03/06/2017 19:31:31

Edited By Clive Brown 1 on 03/06/2017 19:33:26

Thread: Hi from North Cumbria
14/05/2017 20:39:41

Hello, I've just joined the forum after a period of lurking. My model-making activities go back, on and off a good few years but with lapses, the most recent being due to a house move, but the workshop is now functioning again, (at last!)

I started off with a Grayson 3 1/2" lathe, now replaced with a Boxford ME10 and a Raglan mill was added. The Raglan has just been supplemented with a small Chinese mill. Main projects over the years have been a 1 1/2" Allchin, a 5" g. Simplex and a Quorn, also a few tools, GHT and others. Present main task is a 5" Princess of Wales.

I've been greatly impressed by the level of knowledge and general helpfulness shown on this forum, I hope to be taking advantage of this in future as, hopefully, the PoW progresses.



Thread: Simplex Superheater Details
14/05/2017 20:04:36

My drawing shows a 2 element radiant superheater, 7/16 inch dia. stainless tubes extending to the back of the firebox.

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