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Member postings for Brian Abbott

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

Thread: Brian's 1" Minnie Traction Engine
04/03/2019 15:41:05

Quick update on the Minnie progress.

Motion work complete at long last.

minnie (297).jpg

Thread: Need to help accessing the Archive.
25/02/2019 23:50:27

Hello.

Thanks for the reply but i have got it working,

Cheers

25/02/2019 22:38:35

Hello all.

I have just renewed my subscription after a break, I’m having a problem accessing the archive.

I have tried on two separate computers both using firefox but I get the same error.

An Error Has Occurred

I'm sorry but we can't process your request at this time (bad referrer)

If I try and connect using internet explorer is works ok,

Any thoughts..

Thread: Minnie Traction Engine - Forward & Reverse Sheave Positions
19/02/2019 13:19:31

Hello Malcolm.

If you have an email address to can PM me i have some info that might help you set up the timing.

Thanks.

Brian

Thread: Who was W.J. Hughes
01/02/2019 22:19:43

Thanks both for the rely's

Just intetested as i have seen his name on quite a few drawings,

Thanks

31/01/2019 15:52:05

Hello Guys..

Who was W.J. Hughes, anyone have any information ?

Thanks

Thread: Material hardness in raw state
18/01/2019 20:06:29

Thanks guys for taking the time to repy.

It was something for work, i needed some 25mm thick plate, customer calls for it to be hardened to 52-54, just had something in the back of my mind that there was something available, otherwise i need to heat treat which risks bending the plates.

Not to worry, thanks anyway..

18/01/2019 10:03:47

Hi all.

A little off topic but does anyone know a material which in its raw supplied state is around the 52 - 54 Rc mark ?

Thanks in advance.

Brian

Thread: Silver soldering problems.
16/01/2019 12:51:58

Thanks Jason for the reply.

I have the part sat on a small piece of Vermiculite while I solder it, but must admit that now I am looking a lot closer the boss is getting hot well in advance of the plate and the solder is defiantly fizzing away which I guess is overheating.

I tried again last night, this time with a standard type small blow torch, spent longer heating the plate and not the boss and fed the solder in once everything looked ok, results where good but I think I was running out of gas so heat was a problem.

Will try elevating the part and see what happens.

Thanks again.

Ps..will order some cadmium free solder..

15/01/2019 22:40:15

Thanks Keith,

Which dia solder and which burner do you think would best suit these small parts ?

Once the London show is out the way i will get them ordered.

Cheers

14/01/2019 22:42:12

Hello, sorry back again,

Still seem to be having problems, for small jobs like this can i ask what torches people use,

My current torch came with a 7.7kw burner which is what i use for all my soldering,

Thanks in advance.

Edited By Brian Abbott on 14/01/2019 22:48:01

13/01/2019 22:34:16

Thanks all for the reply.

Spent a happy hour tonight trying a few things, the problem is I think that as the part is so small it is cooling to quick and the solder is not having time to flow.

I initially did a few samples to try different heat / solder / flux combinations and all came out fine, the one major difference is that the plate I soldered the boss to was wider, maybe about 3/8 not the original 3/16”

On this occasion I can make the parts bigger and cut the plate down, but am guessing better torch control to keep heat in the part whilst the solder solidifies is needed, or solder it on a big lump of copper.

13/01/2019 00:10:57

I am hoping someone will be able to offer some advice.

I am currently making the small linkages for my Minnie traction engine.

The problem I am having is when I silver solder them, instead of the solder flowing round and creating a nice smooth fillet its creating what is in the photo.

If this was constant then I would blame the solder but its not, some have soldered fine, others not.

I am using the old type solder, easy flo No 2 I think it is, and have made sure the joints are clean.

what i am doing is instead of feeding the solder in once everything is hot i am placing a small sliver of solder next to the joint and using the heat to pull the solder through, but i have done this on each joint and as i said some are ok.

For scale the boss diameter is 3/16”

Any thoughts ?

img_7720.jpg

Thread: Myford taper turning attachment
16/12/2018 22:01:06

Thank you Mr & Mrs Robbo for the information,

14/12/2018 15:49:12

Hello all.

Would some kind person be able to post the basic dimensions of the gip strip, have misplaced mine.

Thanks in advance.

Thread: Anyone bought a new Myford
04/12/2018 13:30:56

Wish i never asked now.. smiley

Thread: Inverter problem
03/12/2018 16:56:52

Hello all.

This is a picture i found on the internet, i thought is was extremely useful.

If I have accidentally wandered into a copyright issue then if the moderators could just please delete.

Anyhow, my thanks to Chris as it was extremely useful.

Thanks.

02/12/2018 23:18:19

Looks like this has answered my qustion..if mesh is the same as delta.

3phase1.jpg

02/12/2018 23:07:09

Thanks all.

Totally agree Clive,

i have just checked and there are 3 wires going to N..

so..

A = Red

B = Yellow

C = Blue

N = White / Brown / black

02/12/2018 22:42:16

Looks like there was a sticker on the back of the plate but its missing, this is a photo of the main plate,

Cannot tell from the photo how many wires go to the N, looks like 2, but will check tomorrow.

img_7501.jpg

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