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Member postings for steamdave

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

Thread: Looking for a Sharpening Service for End Mills & Slot Drills please
15/05/2022 15:07:12
Posted by IanH on 15/05/2022 12:32:30:

My last lot cost between £3 and £10 each depending on the size of the cutter. Vat on top I guess.


Unless they are very special cutters, is it really worth paying £3 - £10 for resharpening when new cutters won't cost much more, if anything, with careful shopping around?

The Emerald Isle

Thread: Harrison M300 advice
26/04/2022 20:50:39


This is the best I can do. I sold the lathe a couple of years ago.

rear toolpost 1.jpg

From memory, the angle of the V is 70 degrees, but you had better check it!

The Emerald Isle

26/04/2022 11:41:20

Here's an auxiliary boring table that I made for my M300. Clamps to the cross slide with wedge blocks as per Harrison's design. Plate was ex 12mm and screw holes are M10.


The Emerald Isle

Thread: ME handbook Capstan and Turret Lathes
23/04/2022 23:14:17

I also have a copy but postage from Ireland will be quite expensive. If you can wait until July time, I will be in Blighty then if you haven't been satisfied beforehand.

The Emerald Isle

Thread: High Speed Bench Drill?
23/04/2022 17:13:18


Send me a private message with your email address and I'll send you all the info. There is too much to put here.

The Emerald Isle

23/04/2022 12:49:45
Posted by Mike Poole on 22/04/2022 21:31:28:

A sensitive feed is an important part of a high speed drilling spindle, sub millimetre drills need a high speed and sensitive feel to avoid breakage, the sensitive feel is probably more important than the optimum speed which can reach extremely high levels for non ferrous materials.


Chuck Fellows (RIP) described a small sensitive drill table and I based mine on his design.

sensitive drill table.jpg

It uses a linear bearing for the vertical slide. The screw holes are spaced to accept a Myford vice and extra counterweights are available to maintain a neutral balance. It mounts on the milling machine table or in the main vice easily. It may not suit Barry's requirements for the high speed but Mike mentioned a very valid point about sensitivity.

The Emerald Isle

Edited By steamdave on 23/04/2022 12:50:15

Edited By steamdave on 23/04/2022 12:51:13

Thread: Help with choosing band saw
18/04/2022 11:34:56

I would second JB's opinion of the Femi bandsaws. Stakesy's was the cheapest place when I was looking and service was also good.

The Emerald Isle

Thread: Thread with steep helix angle?
13/04/2022 11:14:19

Here's another way to make a rope knurl

The Emerald Isle

Thread: Help with Excel
03/04/2022 10:33:28

At long last, I have machined the .375" concave radius in the parts that I was making.

air chamber 3.jpg

Thanks to all the suggestions and help offered.

The Emerald Isle

Thread: Ortec Digital Read Out
02/04/2022 07:48:10


I remember those units. The scales were sourced from computer printers, but not sure about the box of tricks, but probably used some of the electronics of the printers of the day.

Doesn't help with your problem, though.

The Emerald Isle

ps Sorry, I've just noticed MG's post above!

Edited By steamdave on 02/04/2022 07:48:56

Thread: Help with Excel
21/03/2022 21:05:54

Well, there's plenty of food for thought in those replies!

The Emerald Isle

21/03/2022 16:27:01

DC I know where you are coming from, but although I'm not good with maths I can use a calculator to convert from Metric to Imperial. In the end, I doubt that a thou or two either way will be noticed after it is covered in paint. Thanks for the links.

JB Following a suggestion, I'll use a button tool to do the cutting.

Bernard. I'd thought of using a graver but access is too restricted (There are actually two parts end to end, to be split later).

The Emerald Isle

21/03/2022 14:10:56

John, I need help with both formula writing and the spreadsheet. Andy says he will send me a spreadsheet, so I'll see how that goes before getting back to you.

The Emerald Isle

21/03/2022 13:00:34

I need to machine a .375" concave arc in aluminium.

arc drawing.jpg

I consider the radius too large for a form tool because there is not a lot of metal to hold in the chuck, although the small end will be supported by a centre.

So, I would like to create a table in Excel to give me the cross slide and longitudinal infeeds. The tool width will be 3/32" and the curve will be smoothed afterwards with a file and emery cloth.

Searching Google, I can only find info on drawing freeform arcs. Can anyone explain how to make the required table, or point me to an online instruction. I don't have any CAD programmes.

The Emerald Isle

Thread: Contacting YouTube contributors
01/02/2022 17:21:50

Is it possible to send a private message to a YouTube contributor?

I would like to make contact with barumman, who I believe is a member of the SMEE (and may be also a contributor on this or other model engineering forums).

If anyone knows of this gentleman, would they please point him in my direction.

The Emerald Isle

Thread: Recomendations for a Keyless Chuck?
31/12/2021 07:47:30

The only disadvantage of a keyless chuck over a conventional type is that when used in the milling machine, a lot of headroom is lost.

Maybe not an issue on larger machines, but it needs to be taken into consideration on smaller hobby type mills.

The Emerald Isle

Thread: A great Victorian BRITISH Scam!
21/12/2021 14:54:14
Posted by PaulG on 21/12/2021 12:30:36:

... I have to admit that I am one of those sad people who have a (modest) collection of old sewing machines. I never cease to be amazed that on approaching 150 years of age they can still work perfectly. A tribute to the design and more importantly the suitability of the design for production in such astronomical quantities.

Last time I visited Oldway Mansion I thought an opportunity had been lost to develop the sewing machine theme further. Other interested parties (if there are any) might be interested to visit the London Sewing Machine Museum in Wimbledon when it reopens, which houses an excellent collection.

The wife of an acquaintance in Oregon has a collection of more than 100 sewing machines. All different shapes and sizes. All fully working and like you, I was amazed in the quality of the workmanship of the period.

The Emerald Isle

Thread: (again) buying new European made lathe
14/12/2021 16:30:59
Posted by Nigel Graham 2 on 13/12/2021 19:31:16:

It looks as if you've rather decided!

Wabeco has been advertising in ME for some years now, and though I have not seen the name mentioned by users, would think that longevity must be in their favour.

Warco usually has a good name, but I have not seen the threads you mean. Possibly some people have had unhappy experiences with their own examples but generally they are popular machine-tools, suggesting the Warco company itself is normally on top of the quality-control.

I would suggest that using the mass as a factor should be in conjunction with the volume. You do not want a lathe that is fairly light-weight because it is not very robust for its capacity.

I have a Wabeco milling machine. I bought it in favour of a far eastern equivalent because of where I live and I liked the idea of a 5 year warranty and 'German' quality. It was nearly 3 times the cost of the equivalent far eastern machine.

My machine was made in the far east and finished / checked in Germany. It was about 2 weeks over the 5 year warranty period when the European built-in inverter blew up. The UK supplier of Wabeco tools wanted £1000 for a new motor/inverter combo. What I did was buy a separate inverter for 25% of the price and wired it into the original motor. Still going strong.

Moral of the story: Just because it is labelled as 'Made in Germany', or wherever and there is a long warranty period doesn't make the tool any better than a far eastern machine.

The Emerald Isle

Thread: Plans and castings
18/11/2021 18:01:01

Or, if you fancy making a Stuart engine, look on eBay for the castings. That way should get you a set at a lot less than what Stuarts are asking. If they are being sold without drawings, these are available from Stuart Models. Other designs also frequently come up for sale. Probably best to avoid part built engines, at least to start with - you never know what horrors you may come across.

The Emerald Isle

Thread: UK fires up old coal power plant as gas prices soar
04/11/2021 11:54:00
Posted by Journeyman on 04/11/2021 09:05:38:

There still seems to be very little progress towards developing tidal power in the UK. If there's one thing we have in abundance it's plenty of coastline and the tides are reliable and predictable. France has had *** La Rance Barrage *** operating for years but all we seem to have come up with is *** Salters Duck *** and that's about it.

Perhaps spend a bit more on tidal power research and less on generating hot air at COP 26frown


10 years or so ago, there was an experimental tidal generator in the Bay Of Fundy (Canada). Talking to crew members of the support vessel, they told me that the generator lasted about 6 months before being destroyed by boulders being washed to and fro on the tides trying to pass through the generator. Apparently, it did produce good quantities of electricity when it (briefly) worked.

On one of the previous posts about Pumped Hydro, this system, but using sea water, has been working in Okinawa for about 20 years. There is a plan to copy their design in Co. Mayo, Ireland where a lake 150m above sea level is located very close to the sea. Like most things in Ireland, it might get built one day after all the bureaucratic interference has been overcome.

The Emerald Isle

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