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My Rob Roy

Building a 3 1/2" Rob Roy

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Chris Barry02/03/2014 16:39:11
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43 forum posts
18 photos

Hi,

This is Going to be my thread about the building of my Rob Roy, I'll try and keep it up to date as things progress, im known to have 101 projects on the go but my aim is to get the Rob Roy to a rolling chassis with this year, hopefully running on air.

I Was given the frames and wheel castings at the end of my apprenticeship 6 years ago and I've been talking about getting on with it since then.

Progress to date has been me cleaning up the frames, they had got rusty in the years my ex colleauge had stored them, get the horn guides, buffer beam and axlebox material.

I've been cleaning up the horn guides by filing as the book says but i've decided today to actually do it with the milling attachment on my lathe as to make sure they are deffinetly square and as accurate as possible.

here is my Photo bucket album where i'll upload pictures of progress to,

http://s1328.photobucket.com/user/chrisb_589/library/Rob%20Roy

you can see a picture of the frames and horn guides, two filled and one as came.

Hope People enjoy and don't mind giving hints and tips, will get my mill set up this week and hopefully start cutting material.

Cheers

Chris

GarryC06/03/2014 11:14:37
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740 forum posts
1043 photos

Hi Chris

Only just noticed this thread. Great to see you have it up and running, I will certainly be following..

Think I've mentioned that I know nothing at all about building a locomotive or Model Engineering in general really - I'm likely to be asking some really very very basic questions but feel free to ignore me of course!

Just a few off this post. Were the frames already drilled and cut to shape and is it usual for them to be cut out etc with 'kits' like this and are the 'Horn Guides' the same thing as 'Horn Blocks or Horn Plates' also are the Horn Guides in your photos soldered to the frames, is this silver soldered and what solder did you use if so?

Is there any chance of including some drawing details now and then of the bits you are making / posting about - I completely understand though if you can't or don't want to do that..

Dont let me be a nuisance but if you only answer one or two of my ramblings now and then it would be great!

**LINK** to your photo site.

Cheers.

Allan.

Edited By Allan. on 06/03/2014 11:16:04

Edited By Allan. on 06/03/2014 11:16:58

Chris Barry06/03/2014 18:31:06
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43 forum posts
18 photos

Hi Allan,

just uploading some more pictures, i hope they answer some questions

I was given the frames with frame spacers already cut, filed and drilled with axles and eccentrics already machined and the blank wheel castings.

The horn Guides as described in the book are hot pressed needing just minimal filing, mine are cast and from the pictures you can see my start at milling the first one to size, its shown me that i need to fit a more accurate way of measuring the Z axis as its a bit of guess work at the mo. I taken a picture of the horn guide drawing detail to show what the final outcome will fit to.

Once they fit into the slots in the frames i then have to drill holes in the guides and frames to enable me to rivet them in place, something i've never done on such small scale!!

Rivets and snaps are on order so hopefully i'll get this all progressed in the next couple of weeks.

Apolagies for the rusty vice in the pictures, were currently renting and the lack of insulation in the garage is making my job of keeping rust at bay quite difficult at times

Now a question for you Allan, how'd you do the link to my pictures, i seem to struggle to work it out

On that note, please click the link in Allans post to see the current pictures

Cheers

Chris

thomas oliver 206/03/2014 20:25:50
110 forum posts

There are several nasties with Rob Roy - one relating to the crosshead pump. You may find these by Googling

Chris Barry06/03/2014 22:34:23
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43 forum posts
18 photos

Thanks Thomas, I've had a couple of links for a while and scribbled them down with my notes.

thanks

chris

S Deakin07/03/2014 00:00:57
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21 forum posts

I started my Rob Roy forty years ago. Can I wish you a speedier build than I have managed.

GarryC07/03/2014 07:31:03
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740 forum posts
1043 photos

Hi Chris

Thanks very much this is brilliant, to see similar info and photos like this all the way through would give a real insight for beginners like me into whats involved in building a Loco - very much looking forward to following this..

There are I'm sure a few ways of doing the link to your photos as with most things 'computerwise' the way I do it -

1. Browse to your photo page in the normal way, once the page is up copy the entire address from the top of the browser (the place you normally type in any web address). i.e. copy into computer memory.

2. Now browse to the Model Engineer Forum Site open a reply box in the usual way and at the point you want the link to appear in the text click on the link button, its the fourth from the right on the bottom row of icons in the reply window - the cursor appears in the URL box, now paste the address that you have copied into this spot. Thats it once you hit the OK button. Let me know if any probs and I'll try describing again, also if you want to know how to put the photos directly into your post.. (If you have probs copying and pasting then you could just type the address into the URL box as long as its exactly the same as your photo address web page..) Hope that helps a bit.

Cheers for now.

Allan.

 

Edited By Allan. on 07/03/2014 07:32:26

Chris Barry07/03/2014 11:31:15
avatar
43 forum posts
18 photos

Ah brilliant, got it sorted!

Cheers Allan

**LINK**

C

Gordon French 127/05/2015 14:20:17
4 forum posts

Chris, I think that you have the tendency that effects all Model Engineers. The thing is that we

really want to finish the project, but somehow things get in the way of any progress. I chaired some

meetings of a club and initiated a session on unfinished projects and how long they had been unfinished.

There were some projects that had gone unfinished for more than 30 years. I, a 80 years old now have

some projects that approach that age.

Gordon French

Roseburg, Oregon USA

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