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Member postings for ega

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

Thread: Resilient motor mount retaining clips.
19/11/2019 17:30:05
Posted by mark smith 20 on 19/11/2019 17:03:37:

I think hes refering to the clamp /clips with the nuts on that go on either end to fix the motor onto the cradle. Like in this thread.


Tony Scott:

I have a complete mount from a Hoover brand motor which might solve your problem; the between centres distance clip to clip is about 218mm.

PM me if you want to pursue this.

Thread: HSS tool sharpening
19/11/2019 13:59:33

The general run of bench grinders have inadequate tool rests for our purposes - flimsy and limited in adjustment - and it may help to make or buy something better.

Thread: Lathe boring tool - top rake?
19/11/2019 09:11:03


Good tip about the penny washers!

Thread: Quorn MK3!
17/11/2019 11:16:00

See the Hemingway Kits home page.

Thread: Positioning bushes for welding
17/11/2019 11:09:26

I would tack them, check, adjust as necessary and then finish weld.

Thread: Ornamental Turning
17/11/2019 11:07:49

The Quick Step Mill or device with similar function will do some kinds of ornamental turning. The maker John Payne used to demonstrate this at exhibitions.

Thread: Record 25 vice handle
14/11/2019 13:44:58

I recall reading that Ettore Bugatti, who was as much artist as engineer, was in the habit of inspecting the jaws of his workers vices and firing anyone with file marks on them.

14/11/2019 11:35:28
Posted by David George 1 on 13/11/2019 19:49:56:

The handle is made from EN16T the original is forged in situ one end is heated and drop forged then put through the spindle and the second end is induction heated and forged. ...

This seems entirely credible. However, in Scott Landis' "The Workbench Book" the author (who apparently visited the Record factory) states that the woodworking vice handles were cold-forged at both ends.

Does this suggest the use of different steel for woodworking vice handles and that metal workers are more likely to abuse their tools?!

Edited By ega on 14/11/2019 11:56:40

Thread: Extending router shanks
14/11/2019 11:24:44

This is perfectly possible:


My photo shows a standard 20mm 1/4" shank bit extended by boring out a length of 1/2" PGMS or silver steel and fixing with high strength Loctite. Apart from the extra length, this gives greater rigidity.

In deference to safety concerns, I would not do this if a suitable bit were readily available. Thus far, the extended bit has only been used to enlarge holes in 36mm thick MDF ie drilling.

Thread: Workshop series
10/11/2019 17:03:59

Plus one for SOD's endorsement; but some are classics and some perhaps less relevant today. My list of favourites would include one or more of Tubal Cain's titles, Martin Cleeve and Ivan Law.

No doubt some of the more recent titles are in the process of becoming "national treasures".

It would be interesting to know what the best sellers are.

Thread: Headstock Dividing Attachment from Hemingway
10/11/2019 16:55:49

Mark B:

Thanks for your reply.

I am no programmer and controllers are some way above my head. I am however under the impression that any number of divisions is possible with the HDA, using the micro attachment where the division plates alone won't do the job.

10/11/2019 11:19:53

One of the first GHT items I made and has had considerable use.

Can you elaborate on your ideas for using it with a stepper motor, etc?

Thread: At last - no more chattering when parting off!
03/11/2019 14:26:30


That looks like the Mk 1 wheelhead and I notice the knurled clamp screws; is this so you can quickly swap out the spindle?

Thread: Boring bar toolpost.
03/11/2019 14:20:51

GHT covers this point in his Manual and is well worth reading generally on the subject of boring.

Thread: How to use a round column mill
01/11/2019 17:23:32
Posted by BW on 07/07/2019 10:40:31:

... could you fill the column with fine dry sand ...

Reminds me that one of the complaints about the Far Eastern machines was that the factory left large quantities of moulding sand in the column!

Thread: What's this please 2
01/11/2019 16:53:29

"Bull's Foot, or Box Bottoming File", according to Britten, "for filing sinks and other depressed surfaces".

Thread: ER32 Extender
01/11/2019 11:13:29

My two shop-made ER chucks for use on the Myford are long enough to allow the tool to come right up to the collet without the saddle overhanging the bed.

Thread: How to use a round column mill
01/11/2019 11:09:02

Michael G:

Thank you. "simple.wikipedia" sounded just the thing for me until I saw the warning at the head of the entry!

I did look at it and noted the distinction between the effect of cross sectional shape and size as opposed to the material, a point made above.

The Barker bar bed lathe comes to mind; according to it "employed three steel bars arranged so as to provide a stiff "box-section" mounting for the carriage" The design was the subject of a provisional patent.

01/11/2019 10:15:15
Posted by Graham Meek on 05/07/2019 12:18:19:


Round columns for machine tools have been used for some time, I remember working on Jig Borer, an Oerlikon KC4, which had two round columns.

Does anyone know if there is some particular "magic" about a multi-column arrangement?

I seem to remember a two column toolpost design which claimed to be relatively very stiff. Unfortunately, I haven't the maths or physics to see why this might be so.

Thread: Thread gauge
30/10/2019 16:57:10
Posted by JasonB on 30/10/2019 16:25:30:

It's in the catalogue shown in this thread from a couple of years ago

Thank you. It seems that they dropped the no 7 between 50th and 100th anniversary editions.

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