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Member postings for daveb

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

Thread: Myford Super 7 quick change gearbox fitting
04/11/2018 13:37:53

Not sure about ML7s but you have to change the output gear on the tumbler if retrofitting a gearbox to the Super7. You will probably need a shim between the gearbox and the mounting point on the bed. As far as I know, the shim is needed on all lathes except the PCF models.

Thread: Centering microscope
14/10/2018 10:59:39
Posted by Clive Hartland on 13/10/2018 22:53:25:

I was waiting for someone to come up with spider web. First catch your spider and put him in a box on his own. Then you starve him ! why, because when he craps it is attached to the web like a round object. After starving for a while get the spider onto a wire frame, wind the web he issues around the frame spaced apart so you can lay the strand across the cell where you want the cross wires. Fix in place with shellac.

 

 

Yes! That's exactly how I did it nearly 60 years ago but we used to buy the web ready wound on cardboard frames. I always checked to make sure there were no spiders in the box. I should think the web winding trade has died out by now, so if you need to do this, you will probably have to catch you own Black Widow. I believe it needs to be female, they're a bit bigger than the males. Daveb

Edited By daveb on 14/10/2018 11:00:38

Thread: What has happened to fly spray?
17/09/2018 11:31:32
Posted by Brian G on 17/09/2018 05:53:30:

Electric fly swat from Poundland - the thrill of the chase (and the basis of an electrostatic flocking device).

Brian

Swish, CRACK!. Har, har, har. Very satisfying too!

Thread: fire warning
16/09/2018 14:51:35
Posted by Brian G on 16/09/2018 07:48:25:

I was told that the demonstration firings of HMS Cavalier's guns are carried out with custard powder (I assume there is an oxidiser as well, but nobody mentioned that).

Timely, as Chatham Dockyard's "Salute to the 40s" continues today.

Brian

Top it up with jelly and our navy would would give the enemy their just desserts. thinking

12/09/2018 11:09:02

Many years ago I was driving home and felt a strange sensation in the front of my jeans. A quick look revealed that they were on fire, not only on fire but the fire had consumedthe entire fly section and was working its way down my legs. I was a smoker at the time, I supposed a spark had ignited the cord jeans which smouldered away until I became aware. An Australian colleague commented that bush fires were common back home. Cord jeans were made of interesting material, biological washing powder caused it to disintegrate and it also made an excellent wick. I believe I narrowly avoided a SHC incident. I no longer smoke, smoulder or wear cord jeans. Daveb.

Thread: A good quality oil can..?
29/08/2018 16:27:15
Posted by Mike E. on 22/08/2018 18:34:28:

Here's a thought..... Why not make your own ?

I often see metal hip flasks for a couple of pounds in charity shops. Machining a simple drip nozzle replacement cap with an O-ring would make for a handy size oil can.

Would ye care for a wee drippy?

Thread: What did you do Today 2018
29/08/2018 16:15:01

This is where you learn the difference between a cheap Allen key and the others. It helps if the Allen screws are good quality too, unfortunately, there are poor examples of both, either of which will make you wish you were doing anything, absolutely anything else. Daveb.

Thread: Myfirst Myford Super 7 Mk1 Lathe - accessory identification
29/08/2018 15:59:11

Hakon, if you intend to tilt the lathe down for storage, bear in mind that the gearbox has oil in it and is not sealed. Too much tilt will result in the oil running out of the gearbox.

Daveb

Thread: What did you do Today 2018
15/08/2018 20:54:02

Nice work, Limpet.

15/08/2018 20:51:45
Posted by Michael Gilligan on 11/08/2018 17:19:07:
Posted by Michael Gilligan on 04/08/2018 08:43:36:
Posted by Neil Wyatt on 04/08/2018 08:09:08:

Wow, did it really take you 27 years to decide?

.

The decision was triggered by this particular copy being 40p

For your amusement: You may like to plot the offer price of issue 1 against time surprise

MichaelG.

.

daveb ... did you miss the follow-up ^^^ question

If I recall correctly, the price peaked at about £25

but those silly days are long gone.

MichaelG.

Yes, thanks Michael, I usually do, upto date now. I remember copies of the Book of the Myford going for £45+ a while ago, must've upset a few people when they printed a new batch. Dave

Thread: Super7 headstock oiler
10/08/2018 20:01:21

Thanks Mike and Ian, my machine does not have the drip feed oiler, it has the spring loaded wick with the oiler on the front right of the headstock as used on all Super7s from about 1957 until production ceased. In addition to this, there is a flip top oiler on the top centre of the front bearing. This is the second Super7 I've owned with this feature, I have also seen others. I've never seen anything in print about it, made me wonder if the factory did it. Why would anyone do it?

Dave

Thread: British empire lathe
10/08/2018 19:39:21

I've seen a few Empire lathes over the years, some of them looking very much like South Bends, not sure about British though, I had a feeling they were made in Belgium. They all appeared to be decent quality machines. Dave

Thread: Super7 headstock oiler
09/08/2018 15:49:01

I've seen a few Myford Super7s with a flip top oiler on top of the headstock front bearing (the tapered bronze bush). Is this a factory fitted item? The wick lubricator seems to work well enough but I wondered if this was a factory mod for sustained high speed operation. Dave.

Thread: What did you do Today 2018
09/08/2018 15:40:55
Posted by Michael Gilligan on 01/08/2018 22:42:23:

Today, to my astonishment, I bought MEW issue 1

... complete with the pull-out Plans, which are still stapled in place.

Happy to scan these in A4 sections if Neil would like to host the jigsaw puzzle as a set of PDFs

MichaelG.

Are you saying I've been sitting on a goldmine? Dave

Thread: fire warning
09/07/2018 11:24:23
Posted by Windy on 09/07/2018 09:51:29:

Another common fire risk are disposable lighters while at Kingsbury water park with the hydro on a hot day the following happened.

A disposable lighter which I use a lot for firing the burners exploded on the bench and was like a rocket so keep them out of direct sunlight.

I read an artical some years ago, a footballer was fatally injured when a lighter exploded in his breast pocket.

Thread: AMOLCO milling attachment
06/07/2018 22:29:24

I had a Rodney attachment with my ML7, the cross slide wasn't rigid enough for milling, fitting a Super7 cross slide was a huge improvement. The attachment is intended to use the Myford patent 2MT collets, these are available used. Chucks use up a lot of space between the spindle nose and cross slide of which there isn't much to begin with. The prices being asked for used Rodney attachments is almost enough for a used milling machine - unless you really must have all the Myford attachments - that would probably be more useful. Machines with hammer marks were usually not paid for by the user!

Thread: Boll Aero
19/06/2018 17:13:34

Small compression ignition engines can be difficult to start, an electric starter motor would make life easier. I still have the scars from the one I had over 50 years ago.

Thread: Meteor detecting
18/06/2018 21:54:36
Posted by Rik Shaw on 18/06/2018 07:50:57:

Thirty something years ago we were camping on a site by Chesil beach. It was a clear but moonless night around two in the morn and black as your hat when I unzipped the tent flap to visit the site toilet. What I saw near took my breath away. I have never seen so many stars in the sky before or since. I saw two shooting stars before I had even reached the lav - an unforgettable memory! (the stars - not the lav) cheeky

Rik

Light pollution makes it difficult to see the night sky, mountains are probably the best place to view, if you haven't seen it before you will be amazed at the number of stars in the sky.

Dave

Thread: Red fibre gasket material
16/06/2018 16:00:11
Posted by Ian S C on 16/06/2018 13:19:59:

If you have a bit of old circuit board with a section with no holes, strip off any copper, and there you go, old boards tend to be larger, with larger areas without components.

Ian S C

This reminded me, when I first started assembling printed circuit boards they were made out of Paxolin (SRBP), after a few years the manufacturers changed to glass fibre sheet. Dave.

14/06/2018 21:41:20

It is called Red Fibreboard, appears to be made of compressed, chemically treated felt. I have some thick stuff, how much do you need?

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