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Member postings for Jon Lawes

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

Thread: Mystery boiler
10/06/2020 20:08:32

I'm fairly ignorant in these matters, but I don't let that hold me back.

The shape of the firebox looks quite LNER if that helps to narrow it down (or insert a red herring).

**LINK**

Thread: Hi from new member in S. Wilts.
24/05/2020 20:45:26

I'm an SP8! North Dorset near Shaftesbury. However my Model Engineering Society is BA13 4LY, at Westbury.

nice to see another Model Engineer in the area.

Thread: The sneering detractors
23/05/2020 21:51:53

At the end of the day this is supposed to be fun....

Thread: odd tools and things
23/05/2020 20:55:50

On the MoD apprenticeship at Boscombe Down we had to make something similar, but a cube rather than an octagon. Mine was easily, easily, the worst made one in the room.

Thread: First grandchild, which book?
18/05/2020 13:27:28

I would heartily recommend "Car Brakes" published by Crowood Press. In fact I firmly believe everyone should own a copy, even if you don't own a car.

Jon.

Thread: Myford ML7
17/05/2020 20:45:57

To be honest for most small pieces the power feed isn't needed.

17/05/2020 20:45:07

So it sounds like you need to change the gears under the cover on the left hand side. Did you get any with it? If not you may need to invest in some to allow you to select the speed you need.

I've only recently started screw cutting on the lathe so I've been messing about with the change gears quite a lot lately!

17/05/2020 19:37:31

Personally, (and I am very much a novice and not doing best practise), I use thin brass shims to bring whatever tool I'm using up to the correct height (I also use an ML7). For some of the more commonly used tools I keep meaning to machine a correct size shim but I never get around to it!

I use a combination of HSS tools (so literally lumps of steel that I grind to shape on a bench grinder) and carbide tipped tools. What sort of things do you plan to make? Where are you in the world?

As with everything, positively every person who replies will have different opinions! Techniques vary, some people swear by HSS and don't touch carbide, some people can't understand why people still persist with HSS. I use both because I feel they have different strengths.

It's a lot easier to learn this stuff with someone there to help, if you haven't already, when lockdown is over, I highly recommend joining a model engineering society or similar, I have learned so much from those eager to share their skills.

Thread: Setting up a Mini Mill & Stuart 10V Machining
16/05/2020 09:49:47

This thread is a real education. Lots of pictures and suggestions for why certain results are achieved. For someone like me this is excellent reading, thanks all.

Thread: Large Balance Wheel Clock
11/05/2020 22:16:56

Fantastic work.

Thread: Carbide Insert Designations & Suppliers
10/05/2020 18:36:09

This thread has been a real education. Maybe this sort of thing should be a Model Engineering Magazine article if it hasn't been already.

Thread: Buying a small mill
06/05/2020 14:20:20

I'm completely unattached to ARC, but I did recently buy a Sieg SX2.7L after a lot of spreadsheets and research. It's perfect for my needs, and as I bought the starter set with it (which has a fantastic set of clamps for example) I've been able to throw myself into quite a few projects.

I chose to spend my money up front on the bit that would be hard to upgrade later, the large (for its price range) table. If I want to add DRO or power feed later (As I am sure I will) then I can save up for that and install relatively easily.

I had a small issue with the quill DRO so I messaged them and without quibble they put a fresh one in the post.

Thread: Cloth on string that hangs down on old aircraft
05/05/2020 15:01:17
Posted by Clive Hartland on 05/05/2020 12:08:31:

Stops insects getting into the tubes like mud wasps and blocking them up.

I've had that happen to me on a helicopter I was babysitting in the US. The aircrew couldn't work out why they had no pitot-statics.

Horrible job pulling all the larvae out with a bit of locking wire.... *barf*

Thread: Lathe newbie in East Midlands
01/05/2020 21:21:52

Welcome!

Thread: New members
01/05/2020 21:20:39

A very warm welcome. I've just made the jump to mill ownership myself and the improvements over a vertical slide are well worth it, if only for the reduced hassle!

Welcome.

Thread: Stuart Turner D10
24/04/2020 22:11:39

Any chilled castings in that lot? I don't know what Stuart have been doing but every single person (literally, everyone in my club!) who has built a recent Stuart engine has struggled with hard parts of the castings.

Thread: Shiny Chrome type paint
20/04/2020 15:39:39

Fairy Huntsman? Very nice.

When my son paints models with his airbrush, such as MIG 17 or Lightning, he undercoats the silver with black as apparently this makes it more realistic.

Thread: 540 Motor as a generator
17/04/2020 20:52:08

To revive this thread, I finally got around to seeing what a 540 would put out. Unloaded at 1000rpm I saw 2.8v. Running in the opposite direct got a negligable difference.

I stlll plan to build a generator, or rather, some period looking mounts to make the generator look like an old school generating plant.

Thread: Homemade Lathe Tools
06/04/2020 20:10:16

What a great idea for a thread. I don't have a photo handy but my first big lathe tool project (I'm a novice) was a between centres boring bar for making my Britannia cylinder bores as parallel as I could. I'm sure it will come in useful for any other locomotives I make, but otherwise is probably destined to live in a draw!

Thread: Small drill bit in large drill press?
02/04/2020 21:49:13

I agree with pgk pgk (and by defininition Bob).

To "clock" the chuck you can spin it up and check to see how much it visually wobbles, stop the drill, turn it a few degrees and see if the wobble gets better or worse, then keep moving it in the direction that improves it until you have to go back again. Smaller chucks are seldom very accurate but it will help to get things a little better.

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