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Member postings for vintage engineer

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

Thread: This weeks offer at Lidl
19/08/2019 22:30:50

Have you checked the brushes? Bosch grinders have a sprung loaded pin in the brushes, when it wears down the pin pops out and lifts the brush.

Thread: Black Oxide coating
11/08/2019 23:14:40

Do you know what is in the caustic solution?

Posted by David George 1 on 20/07/2019 10:02:49:

If you plate or other coat bolts and cap screws etc you can cause embritalnent or lower the tensile strength of items but there is no change to steel strength or structure with blackodising which is done by diping in to a caustic solution at 135 deg which causes a black coating Fe 3O4 which us rust preventative no change to steel structure. That is why Unbrako blackodise their cap screws.


Edited By David George 1 on 20/07/2019 10:03:50

Thread: Is your spindle bore large enough?
10/08/2019 10:19:26

In the oil industry they have pipe lathes with spindle bores up to 18"!

Thread: Bulking problem?
09/08/2019 18:35:59

Try a piston clamp

Thread: What hand protection do you use?
01/08/2019 21:35:45

None! The skin on my hands is very thick & tough and I lack sensitivity to hot surfaces. On the odd occasion when I have visited A&E to have cuts stitched up they curse like made as they struggle to get the needle through my skin!

Thread: Searching for an Off-The-Shelf, Light-Duty, Rack & Pinion
31/07/2019 08:36:46


Thread: Is there a type of Sellotape/"sticky-backed-plastic" that forms a PERMANENT bond
30/07/2019 21:44:34

Helicopter tape?

Thread: Steam powered RC aircraft
29/07/2019 20:36:55

The Russians actually built a of nuclear powered aircraft that was to be steam powered!

Thread: Three jaw indipendent chuck
26/07/2019 22:18:55

When I did my apprenticeship we were only allowed to use 4 jaw chucks. You can set up a 4 jaw just as quick as a 3 jaw.

Thread: Surplus subjects learnt at school.
19/07/2019 20:27:11

They tried to teach me Religious Studies until I got suspended for arguing that there was no proof that Jesus existed!

Thread: Mallable Iron
17/07/2019 21:08:31

I would heat them up red hot and clamp to a large section of steel and allow to cool.

Thread: Recent threads
14/07/2019 20:13:03

A Gentleman is the youngest son of the youngest son of a Peer of the Realm.

Thread: idler pulley with spring loading
13/07/2019 17:13:57

Most modern cars use spring loaded belt tensioners. Some cars use an adjustable pulley tensioner. You could make a tensioner with an arm and a weight on it so it gives constant pressure.

Thread: Straight Bevel Gear Question
30/06/2019 09:43:34

It could be a stub tooth gear form. There are common types Fellows and American Standard System. I had to make one for a 1910 Dennis engine. It turned out to be a metric version of the Fellows form. You have to use a bigger cutter than normal for the gear.Stub tooth formula

Thread: Tungsten Putty?
30/06/2019 09:37:56

Top class race engines use depleted uranium weights on the crankshafts. They are extremely heavy for their size! Boeing aeroplanes have loads of it in the rudder controls.

Thread: Wesco oil can spout thread
19/06/2019 23:20:10

Admiralty fine?

Thread: How have Apple found out my new Debit Card number?
19/06/2019 23:18:37

If you have an Alex of similar or you gave your details over the phone, they would collected the details then. Every time you use Apple device it is collecting data. Any voice activated smart device constantly collects data from you even when you are not using it!

Thread: water supply
16/06/2019 10:08:35

On the south coast we extract water from boreholes and pump treated sewage into the sea! In London they extract water from the Thames and pump treated sewage back into the Thames to be reused. I still cannot understand why Southern Water cannot do this?

Also we get electricity from France!

Thread: Electricity Supply
14/06/2019 14:32:11

So what are the Aussie going to do? If you drive from Adelaide to Perth ( 2700km) you have to cross the Nullarbor Plain which only has fuel stops every 300km and no charging points. If you breakdown it could be days before someone rescues you!

11/06/2019 23:16:19

The island in question is tiny and has very few roads but a huge runway right across the middle of the island.

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