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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: What to blacken steel with
18/01/2020 08:39:07
Posted by Steviegtr on 18/01/2020 02:09:29:

Anyone know how to blacken steel or any other metal. Is it a dye or a process with chemicals. I use liver of sulphur for Zinc. But not sure about other metal's. By blacken I mean like gunmetal etc.


Just google "cold blue for barrels" then pick whatever you can legally purchase.

One tip, Cleanliness and de-greasing is mandatory.

* Danny M *

Thread: Australian Bush Fires
16/01/2020 08:17:09

I phoned a property at Burrowye where I occasionally go to help with the computers and hunt feral pest animals (rabbits, foxes and deer) to enquire about how the family were faring during the firestorm near their property.

A sad reply." Danny, the road is closed so when you can make it through bring your .22 as there are hundreds of animals to be put down, You can show your firearms licence at xxx as they have offered to donate ammunition. we have run out so grab a few cases."

* Danny M *

P.s. The smoke has cleared a bit and a waterbombing helicopter just dipped it's bucket into the lake

Thread: Driving Small Taps
16/01/2020 07:49:52
Posted by Paul Lousick on 16/01/2020 02:17:14:

I hold the small taps in a pin vice with the handle of the vice lightly held in the drill press chuck to keep it aligned with the hole. Then turn the pin vice by hand.


I must second this method, Only difference is that my Eclipse pin vice is held lightly in the chuck of my X2 mill - At the same table setting that was used to drill the initial hole.

* Danny M *

Thread: The blind leading the blind
10/01/2020 22:24:26
Posted by Cabinet Enforcer on 10/01/2020 10:40:46:

Danny, I don't really understand why you are complaining to the TAFE, they will obviously ignore you, why not make a complaint to your local H+S regulator, who might even have the actual power to do something???

All resolved.

I received an email from the head of the department (my message got through) and he said that the young person in the video was wearing eye protection but being of the wrap around acrylic type they were indeed not easy to see.

This would be addressed in any future videos and he assured me that OH&S is taken very seriously at the TAFE.

I am satisfied with this and plan to visit the TAFE to further investigate what courses they are offering and to check out what sort of equipment they have.

I shall get back.

* Danny M *

09/01/2020 22:06:04
Posted by not done it yet on 09/01/2020 11:48:15:

Video or pic? Could be a difference between ‘looking at’ and ‘using’. However, eye protection should be the order of the day whenever in that working area - there may be others making flying chips! Most certainly not a good advert.

It was a video ndiy, the chuck was spinning and the young operator had his hand on the controls.

When my son attended a basic electronics course at the same TAFE (prior to joining the Royal Australian Navy) he mentioned that all of the function generator kits that the students were constructing were going up in smoke. As he was yet to complete his I asked him to bring home the circuit diagram and the suspect part.

It was a 50µA analogue meter that had been 'converted' to read to 1A by somebody sticking a new scale onto the face. No shunt had been fitted. The students were also required to pay $20 for this 'conversion'.

I sat down with my son, explained the problem and asked him to calculate the value of the required shunt. It was some fraction of an Ohm and I said that such a low value would be impossible to purchase so we would make one. Went to the workshop, gave him a coil of nichrome wire and showed him how to measure the resistance of about 5m then calculate the required length, This was wound onto a 4.7MΩ resistor and worked perfectly. He also made one for his friend. They were the only two people to pass that phase of the course. (I still have the device in my workshop).

I went to the TAFE to complain, had to make an appointment in writing then went to a meeting a week later with the head of the department, his assistant and the teacher in question. Was served nice coffee and biscuits and told that mistakes happen. I simply requested that the students who had failed be re-tested and refunded for the faulty meters,

It was only after I threatened to visit the local newspaper editor that they reluctantly agreed. I also asked the 'teacher' to explain how to calculate the value of the required shunt resistor. He could not - mumbled something like 'he never had his calculator with him'.

Sorry about the saga but it still makes me mad that such people are out there and protected by the system.

* Danny M *

Thread: New legislation that could affect us all.
09/01/2020 09:02:30
Posted by roy entwistle on 09/01/2020 08:44:25:

Danny M Will that be the same standard that applies to left handed spanners and hammers ?

Roy ( ambidextrous to a point )

Just visit this place left hand supplier

Only problem is that they are from down-under so your your items could also be upside down - but handy if you are a lefty and can stand on your head

* Danny M *

09/01/2020 08:21:49

So what ISO standard applies to left handed screwdrivers?

I am not joking, one can buy one here Cromwell Tools

* Danny M *

Thread: The blind leading the blind
09/01/2020 08:15:28

I saw a TV advertisment today for the local TAFE (Technical And Further Education) establishment in my nearby town of Wodonga.

As the place has some nice machinery I have been considering whether to sign up for a course.

Imagine my dismay when the ad showed a young person operating a running lathe without any eye protection or even a chuck guard.

So I attempted to contact the TAFE via their website ("Contact Us" to register my dismay and my message was rejected by their server.

This is the message that I attempted to send, I kept it for when I visit the place personally.

I noticed your TV advertisment today (#9 Go) showing a young person operating a lathe without eye protection. Not only is this a bad practice it is also contrary to OH&S regulations and a terrible example to present to the public.

Whomever supervised this advertisment requires either re-training or replacement.

Please edit or delete the advertisment in question.

* Danny *

All the required boxes were ticked re: contact details etc so it appears that a trip into town is on the agenda.

I wonder how many layers of red tape and petty bureaucracy I have to jump through to get the message through?

* Danny M *

Thread: Australian Bush Fires
07/01/2020 09:36:39
Posted by Zan on 06/01/2020 19:42:52:

My sis lives in Auckland is so bad that it’s affecting her there in New Zealand , 2000 or so miles away. The sky is orange and stinks of smoke..

Here are a few before and after photos taken from my verandah. The trout was from a few years ago. - After, still from the same location but just taken a few days ago.

yummy trout_1.jpg

view from veranda 5 jan 1230.jpg

This forum is not the place to talk politics, it's about Model Engineering. There are probably a lot of places online for people so inclined to discuss the whys and wherefores of what is happening.

My immediate problem is how to help the victims.

Managed to score/beg a heap of board games and packs of cards (from local business's that I shop at) which went down very well at the local evacuation center, As I learned in the Australian Army, people get bored just sitting around doing nothing.

There is a bit of a lull at the moment so warnings are being downgraded a little but things are set to get a bit warmer later this week.

TV showed a map of the fires in Vic and overlaid it with a map of Belgium which fitted in easily.

Still rather live here than in Belgium though (I have been there). Terrible beer!

* Danny M *

Thread: What Did You Do Today 2020
04/01/2020 02:34:34

XD 351 and the rest of the respondents. Thanks for your support and well wishes.

Getting used to the vagaries of nature in this part of the world so not a real hassle on a personal basis but I feel for the people have lost everything, including their lives. The stock and wildlife losses are horrendous.

Here is a linky to the local Vic warning map Vic emergency warnings

At least I know that my smoke detectors work. They normally only activate if I am brazing in the workshop. Now they activate if a door is left open

Was talking to my neighbour and we both decided that our fishing gear should be evacuated - Never caught a smoked trout before.

Off to the Bonegilla evacuation centre to see if they need a hand. 43°C at the moment so getting warm.

As Ned Kelly said (just before the trapdoor opened) - "Such is life"

* Danny M *

03/01/2020 09:36:33

Today I got my fire plan ready. All important docos and stuff packed and ready to go.

Visited neighbours and we decided on a course of action. Luckily we are next to the lake so smoke is the biggest worry. House and workshop are replaceable, so we got pumps and hoses tested and selected cotton clothing and decent boots and gloves laid out.. Surrounding grass/stubble mowed to the bare earth. gutters cleaned and generators tested.

Tomorrow is forecast 46°C/115°F and windy so it's going to be a bad day for this part of Australia.

I included a map, X marks our little town.

screenshot_2020-01-03 incidents and warnings - vicemergency.jpg

* Danny M *

Thread: Archiving old data
26/12/2019 22:23:56
Posted by Ed Duffner on 26/12/2019 11:47:11:

I still use floppy disks on my Amiga computers. yes

For the virii I would get rid of them, just my honest opinion. I'm sure there are copies of them archived at the companies who write software to tackle those. ...and I doubt you'd be unable to store them in the cloud (a remote disk somewhere on the internet) because of the risk and possible breach of usage agreements.

The virus collection was archived from when I worked as an IT specialist.

They were used to test the accuracy and speed of various anti-viral products and dis-assembled to gain an understanding of their logic.

Part of one report that I wrote emphasised that the delivery mechanism (getting it into a victim's system) was the weak link and isolation coupled with education was recommended, including a total ban of people bringing media onto the sites.

Interestingly enough, NONE of the commercial a/v products had a 100% success rate and many gave false positives.

About 120 CD's read and backed up so far, some well over 20 years old with only a few CRC errors on one or two. The new box shall never be allowed online or even networked.

* Danny M *

25/12/2019 15:20:35

As mentioned in the Win 10 thread, I just built a new (old) Win XP PC, partly for the fun of it but mainly to archive a few hundred CD's and floppy discs to an SSD drive for posterity but also to de-clutter a book rack.

Some of this data is important to me such as my first ever email (1996) - trivial to most people and also my first pcb design from 1979.

An old collection of computer virii (about 174,600) with their disassembly notes and fingerprints might be of value to historians one day. The original 'marijuana/paki' virus still lives on a 5,25 floppy from 1989.

So my problem is: How does one archive such data to last such that future generations might access what we were up to in our time?

Floppy disc's and CD's are already obsolete, SSD's are maybe headed the same way and as for the 'cloud', this just means storing one's data on somebody else's computer (not really comfortable with that)!

Too much info to chisel into stone, still have the old DOS 3 boxes to interrogate and then my 1983 Z-80 which still manages to boot up and talk through it's serial port.

So what's the best way to archive all this data so that it it might be readable to future generations?

* Danny M *

Thread: Win10
25/12/2019 07:12:32

I just managed to rebuild a nice P4 2.7 GHz machine using a few spare 120Gb hard discs that have been stored for over 10 years.

Using the original Windows XP CD's and activation codes the Microsoft employee (phone Asia for dumb help) told me to upgrade to win 10 as support for Win XP is discontinued,..... Not much help there, even though I paid for the software! I don't want support, I just want to run the software that I paid good money for! Maybe a refund would be nice?

As I am running dedicated engine diagnostic software that does not work with Win 10 and it works very well with Win XP (even uses serial port) then then I was forced to go online and find a hack for this problem.

Apparently I am not alone, just search for 'activating windows xp'

* Danny M *

Thread: UV Cure Resin
25/12/2019 06:21:50
Posted by Nick M0NPH on 24/12/2019 18:28:19:

Hi Neil

have a look at fly fishing equipment i am sure that they use uv cure resin for fly tying


This is what I use for finishing some fly heads. Many grades available for various uses. LOON UV cure resin

For cheaper stuff search for surfboard repair UV cure.

* Danny M *

Thread: Merry Christmas Everybody!
25/12/2019 06:15:19

Thank you Neil.

Fondest regards from down-under.

* Danny M *

Thread: Advice on mobile phone etc
20/12/2019 21:15:25

Our local telco just upgraded their network to 5G so my friend is receiving a new Samsung for her Xmas prezzy. Not cheap though!

5G comes to Albury/Wodonga

* Danny M *

Thread: Amplifier Repairs..
04/12/2019 04:46:15

So why do the M.E's get all the amplifier jobs?

Here is my latest, a Marshall Valvestate 2000 that blew the output FET's when it was placed in front of a flexible plastic screen that got sucked into the twin fans at the rear (at least that's what my detective work deduced).

The replacement 100W FET amplifiers arrived promptly from the USA but the owner was required to sign a declaration that the parts were for repair only and not to be re-exported to a 3rd country???

As the owner is a good mate who does gigs for extra income I took on the job but no more amplifiers please, I want to play with my lathe.

In deference to Marshall, at least they had the decency to place the circuit diagrams online (well somebody did) and there is a forum dedicated to these amplifiers.

marshall valvestate 2000 - 2.jpg

marshall valvestate 2000 - 1.jpg

* Danny M *

Edited By Danny M2Z on 04/12/2019 04:46:56

Thread: Breaking bandsaw blades
03/12/2019 21:59:49

Posted by john fletcher 1 on 03/12/2019 17:24:04:

Some years ago there was an article either in ME or MEW regarding making a simple angle iron jig to hold a broken band saw blade, ready for Silver soldering it together again.

There are some photos of such a jig in my album in the folder Bandsaw blade brazing

* Danny M *

Thread: Cracking a bolt
02/12/2019 04:05:52

While playing with my new digital torque wrench I realised that trying to measure the undo torque of a previously installed bolt was a waste of time in many cases as the bolt suddenly lets go with an audible crack.

I am sure that I am not the first person to have noticed that bolts that have been installed (usually during manufacture) are reluctant to let go and when they do it is often with a 'crack'.

Inspection usually reveals no trace of thread sealant but I did notice that often the bolt is steel and the body is an aluminium alloy such as an engine cylinder head.

So why do we have to crack a bolt ?

* Danny M *

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