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Member postings for Danny M2Z

Here is a list of all the postings Danny M2Z has made in our forums. Click on a thread name to jump to the thread.

Thread: Engineering Oddities
21/06/2013 08:09:07


The parlance of undocumented units is vast. Although they are not real units most people seem to get the gist of what one is trying to say, for example if one was told to take-off;

A tad

A smidgin

A knat's whisker

A poofteenth

A mickhair

A sh*tload


of material, then the intent to take of a little bit more has been communicated.

Down here (in the colonies) Neatsfoot Oil is still available for leather dressing a 'Sam Browne' belt etc. But you have to earn the right to wear such a belt to learn where to obtain the stuff.

C'est la vie

Regards from the land of the kangaroo

Cu Later * Danny M *

20/06/2013 11:35:14


While sperm whale oil is still preferred by watchmakers for oiling delicate bearings, I still use tallow for checking piston/liner fits in model sized engines. What makes it a bit different from the U.K. is that I hunt the (feral) pigs with a .444 Marlin lever action and the tallow is rendered from the fat. Nothing is wasted as my neighbour has a smoker.

Regards from the land of the kangaroo

Cu Later * Danny M *

Thread: looking for plans
19/06/2013 14:12:42


This might get you started **LINK**

It also has it's own links to other sites

Regards from the land of the kangaroo

Cu Later * Danny M *

Thread: Chester Centurion - opinion
19/06/2013 00:41:18


Posted by Bazyle on 18/06/2013 13:46:30:

"This seems to be one of those 'less that optimum' creations with a mill head stuck on top of the lathe head. Alledgedly a pile of ....(edit) machinery."

This site is 'less than impressed' with them **LINK**. Lots of good advice there for new lathe purchasers.

Regards from the land of the kangaroo

Cu Later * Danny M *

Thread: Machining rubber.
16/06/2013 08:11:54
Posted by Russell Eberhardt on 15/06/2013 21:30:28:

You could always try making a mould and casting them with something like this

Thank's for that Russell, it's just what I've been looking for to make some scale tyres for a model aircraft. The Germans used some strange tread patterns in WWII

Regards from the land of the kangaroo

Cu later * Danny M *

Thread: Conversion Chart
06/06/2013 14:01:13


Although this is not a chart (of which I love the idea), it is a really good unit converter. Lol, it even does light years to millimeters. **LINK**

Regards from the land of the kangaroo

Cu Later * Danny M *

Thread: Storing chuck keys
05/06/2013 10:10:50


I still have a demagnetiser from early computer days. It works on steel cutting tools too.

My tools usually get magnetised due to sitting a magnet near the toolpost when working with cast iron. Lol, probably a bad habit I suppose dont know

Some time ago I did a bulk buy of rare earth magnets for use in the workshop and thought of lots of uses for them. Although I still find them useful for some things, I now use them only temporarily on machines. The problem is they magnetise tools and things you don't want to be magnetic and collect swarf which is difficult to get rid of.

Cu later * Danny M *

04/06/2013 23:39:09


No more hunting for my C3 minilathe chuck keys.

storing chuck keys on a disc-drive magnet 2.jpg

The magnet is from a pre-loved floppy disc drive.

Cost = $0

Regards from the land of the kangaroo

Cu later * Danny M *

Thread: What did you do today? (2013)
02/06/2013 09:27:36

chuck 2.jpgG'day.

Made an ER 25 collet chuck for my C3 Minilathe.

Did not have a large chunk of metal, did not fancy turning most of it away either.

So a bit of plate was drilled, fixed in the chuck & trepanned. After cutting the register the holes were spotted through from my faceplate, then drilled and tapped. First time I was a bit sloppy, you can see the filled holes embarrassed

When it fitted ok I turned a chunk of 2" steel with a spigot to fit the hole in the backplate and secured it with JB Weld. Just for a belt & braces precaution I then drilled & tapped the seam 5mm in 3 places and inserted some screws then turned the heads off the screws.

Mounted on the lathe (with a centre-pop to indicate jaw #1) the thread was cut to match the collet-closer from my mill ER 25 collet holder.

A 16mm rod was then chucked in the 4 jaw & dialed in, I slipped a collet over this and used a dial test indicator to get the topslide set at the required taper.

Then drilled & bored, kept testing the fit until it all worked.

A very productive few days in the workshop

Regards from the land of the kangaroo

Cu Later * Danny M*

chuck 1.jpgchuck 3.jpg

Thread: A ball-joint for a Harold Hall grinding rest
02/06/2013 08:56:39

rest 1.jpgrest 2.jpg


Like many of you I decided to build Harold Hall's grinding rest from the Workshop Practice book 'Tool & Cutter Sharpening'.

The problem was that I could not find the 1" plastic ball for the table mount.

Mentioned it to a mate & he gave me a 24mm steering arm ball joint from a car that his son had just bent a bit cool

Not only did it do the job perfectly, it also had a 10mm threaded spigot.

Here's the end result. Sorry if it's a bit rough but it was the second thing that I made embarrassed

Regards from the land of the kangaroo

Cu Later *Danny M*



Edited By Danny M2Z on 02/06/2013 08:57:18

Thread: 3D printing Harold Hall's Grinding Rest
31/05/2013 18:03:56

G'day from Oz.

Would a 3D printer be suitable for prototyping model engine crankcases?

Now if one could print in wax (or an easily vapourised medium) then lost wax castings would take on a whole new dimension.

Regards * Danny M *

Thread: The things you find at a garage sale!
31/05/2013 03:12:07

Rik. That wire gauge is awesome. What units is it calibrated in?

Cu later * Danny M *

27/05/2013 14:35:52

G'day. Here in Oz the weekend garage sale is popular. Just put your junk in the garage, a notice in the local paper & some balloons on the gate.

Last Sunday the whole town of Baranduda had a garage sale, just up the road. I found tools smile p

garage sale.jpg

Lady said they were in the shed when she bought the house, no good for the small kids as they're sharp. The screwdriver set is Bergeon; $5 - P&N 0-10 BA Tap & Die set with 20 extra 'Ace' taps $15 - Swiss 'Slick No5' disc vice? $2 - Slocomb 1" micrometer with warranty $10 - Moore & Wright micrometer $5 - Grey & Rushton 10" micrometer depth gauge $5 - everything else $2 each including jewellers loupes & a tin of Decca Soft Gramophone Needles.

Another bloke bought a pillar drill & a drop saw for $30 each.

So what bargains have you lot found?

Cu Later *Danny MZ*

Thread: Digital Angle Gauge
26/05/2013 12:53:49

Hi Paul.

I actually used a digital angle gauge from:

100-080-10200re"> Digital Angle Rule/Protractor 200mm - 0-360°.
Mounted it on the front of a standard propeller pitch base plate by drilling 2 holes in the bottom rule.
I had to put feet under the base to raise it so that the top edge of the lower rule was flush with the top of the base. As I use it for aircraft props the base slots are 1/4" wide & 1/4" apart. Prop holder is the usual cones on a sliding carrier.
I shall take a photo soon (it's in use up in the bush at Corryong at the moment, being used to set up a new blade on a farmer's drone - he hit a magpie!)
Only thing is you have to calculate the pitch from the blade angle/radius but with a programmable calculator it's easy.
Regards from down-under
CU later * Danny M *
25/05/2013 20:32:29


I made a super accurate model aircraft propeller pitch gauge with mine devil

Regards from down-under

CU Later * Danny M *

Thread: Small Left Hand Thread Taps & Dies
21/05/2013 15:32:48


> You'll pay a premium for L/H but they do offer them and metric too although they are more

> expensive

> Bob D

Thanks for the speedy reply Bob - 2 L/H 10 BA taps only, £18ea (ouch) - at least I can practise my 10 BA screwcutting

* Danny MZ *

20/05/2013 13:15:42

G'day fellow metalworkers.

I want to make some small working turnbuckles for a model aircraft. For this I require some tiny left hand taps & dies about 1mm or 10 B.A. Do such items exist, and if so, where may I obtain such?

Thanks in advance * Danny MZ*

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