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Diagram A27 Auto trailer from Hornby/Airfix A30/28


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The preamble

A while ago I purchased four Hornby Auto trailers. Two were in excellent condition whilst the other two were damaged.

One of the damaged ones was an easy fix whilst the other had a roof split in two places along nearly 2/3rds of its length and the driving end was also split into three with broken windows.

I originally didn't want to do much so glued in a new set of windows to strengthen the end, hand painted the cream top section and renumbered it.

The roof never went back on properly which bugged me so when I managed to get another bodyshell and roof off Ebay, I decided I would ditch the old one.

Well , before the new body went on it had to be repainted to GWR colours as I bought a BR maroon one.

So whilst that had to be done why not modify it to an A28 diagram ?20161017_194343_zpsegahhuqg.jpg

Conversion mostly done , my thoughts turned to what to do with the old shell?

I was gonna bin it but couldn't bring myself to do it (waste not, want not)

Sooooo into Russell's coach book vol. 2 I dived and in a moment of madness I realised with a major hack session I could probably fashion an A27.

So onto my bandsaw I went to produce this

 

Oh dear.....

tmp_3850-20161014_152002-388562765_zpstj But then morphed into thistmp_3850-20161014_180612-721309268_zpsy7

Next the drivers doors were cut out and swapped sides and glued intmp_3850-20161016_171627624212758_zpswf2tmp_3850-20161016_1716361385699945_zpsz0

Then the huge sanding op commencedtmp_3850-20161016_171642540562312_zpshmbtmp_3850-20161016_171657815535358_zps26n

 

A coat of primer a slight re filling and some more sanding and another coat of primer produced this (under frame is for the A28)tmp_3850-20161017_174650192595043_zpsr0d

A comparison on the different lengths of the Diagrams20161014_180640_zpsclxba5og.jpg

Which is the end of part one

Edited by lofty1966
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I'm really impressed!

 

I have contemplated doing the same, but haven't been brave enough to take this step!

 

I will watch with interest, good luck.

 

Kind regards,

 

Nick.

Edited by Brinkly
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Thanks Chaps.

Think it maybe more stupidity than brave but onwards we go....

Part 2

Being a glutton for punishment i felt i had to cut the windows into the luggage compartment

20161018_160310_zpsnicpzhzz.jpg

 

Then the drivers doors need hinges

20161018_161203_zpsnlxzkz8h.jpg

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Lofty,

I certainly wouldn't say stupid at all!

I am doing an A10 by the same method using 2 of these bodies.

A) It's fun.

B) it gets you the version of an autocoach that you want.

C) it hones your modelling skills even further.

 

Looking forward to more updates.

Khris

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Lofty,

I certainly wouldn't say stupid at all!

I am doing an A10 by the same method using 2 of these bodies.

A) It's fun.

B) it gets you the version of an autocoach that you want.

C) it hones your modelling skills even further.

 

Looking forward to more updates.

Khris

I find I get obsessed with the work and frustrated when it doesn't go according to plan.

Often my skills don't match my ambition!

 

A10 ? That sounds interesting ! Any pics ?

Edited by lofty1966
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This is looking good. I've never been happy with my RTR Autocoach that is sitting in a box somewhere. Watching you come through the pain barrier is encouraging. Thanks for taking the time to post your techniques and progress.

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I find I get obsessed with the work and frustrated when it doesn't go according to plan.

Often my skills don't match my ambition!

 

A10 ? That sounds interesting ! Any pics ?

There are a couple of early ones here: http://oomodelling.blogspot.com.au/

Given I am modelling late 30's I am fortunate enough to be able to do smooth sided.

Have to update blog so may take some pics tomorrow and post.

 

Khris

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Current state of play.

Painted and lined out then a quick coat of matt varnish.

Wasn't happy with one of the joints in the body so rubbed it down and touched it in.

Couldn't find any brass wire in my supplies (I know I have some but no idea where its hiding)! So waiting for an excuse to drive the 120 mile round trip to nearest stockist.

I also discovered that all my auto trailer chassis have already been modified to correct A28 or A30 configurations so have bought (yet another) scrappy auto trailer of Ebay to pinch the chassis from !tmp_19418-20161027_202039-975813789_zpsatmp_19418-20161027_202025-519958429_zpsatmp_19418-20161027_2020161056651883_zpso

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  • 1 month later...
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I've considered this, but am unsure about the 'set' of the 7' bogies; are they the correct distance in from the end of the coach, by which I mean is the distance between the bogie pivot and the headstock correct?  If not, the finished coach will look a bit odd.

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I've considered this, but am unsure about the 'set' of the 7' bogies; are they the correct distance in from the end of the coach, by which I mean is the distance between the bogie pivot and the headstock correct? If not, the finished coach will look a bit odd.

The wheelbase matches up to Russells drawings but they sit too far in for the tension lock couplings to be used.

You have to fashion an extender bar oruse another form of coupling.

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I have wondered for a while now, when people slice up coaches,how do you keep the saw vertical? Miter saw block and razor saw? But my block is to small I have a miter saw but the blade is to course, can you get a miniature one ?

Gosh midnight....Merry Christmas

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The wheelbase matches up to Russells drawings but they sit too far in for the tension lock couplings to be used.

You have to fashion an extender bar oruse another form of coupling.

 

Wasn't expecting a response as quick as that at xmas; thanks lofty.  If Russell says it's ok that's good enough for me, so once I buy a baccy A38, one of my antediluvian airfix pair will be withdrawn from service pending surgery to make it an A27.  The next move when that is done (I've got a layout to finish in the midst of all this bashing) will be to have a go at scratch building an A7 or A9 matchboarded one.  I'm not the world's most accomplished scratch builder, but everything on these is vertical and the windows are square so I don't have to worry about getting the corners right, and even I might be able to cobble together something reasonable...

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I have wondered for a while now, when people slice up coaches,how do you keep the saw vertical? Miter saw block and razor saw? But my block is to small I have a miter saw but the blade is to course, can you get a miniature one ?

Gosh midnight....Merry Christmas

When I sliced and diced the A27 I used a Bandsaw and the 90° sliding fence.

Luckily the thickness of the blade was perfect on several of the cuts so just a careful run through and a deburr and then join.

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  • 9 months later...
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Can I ask a really newbie kind of question?:

 

Where do you experts get your information from? How do you know the detailed differences between A27, A28 and A30 diagrams, and where can I find that info to look at for myself?

 

I've had a bit of a poke around on t'interweb and although I can see a few useful bits and pieces, nothing really definitive yet.

 

Thanks.

 

BTW: I see lots of missing "Photobucket" images above. Do you see the same problem?

Edited by Harlequin
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Can I ask a really newbie kind of question?:

 

Where do you experts get your information from? How do you know the detailed differences between A27, A28 and A30 diagrams, and where can I find that info to look at for myself?

 

I've had a bit of a poke around on t'interweb and although I can see a few useful bits and pieces, nothing really definitive yet.

 

Thanks.

 

BTW: I see lots of missing "Photobucket" images above. Do you see the same problem?

 

There are books.  The two good ones dealing with auto trailers are "Great Western Auto Trailers" by John Lewis and published by Wild Swan.  Part 1 covers trailers built by and for the GWR prior to 1923, Part 2 those built post 1923, those converted from steam rail motors and trailers inherited from companies absorbed by the GWR at the Grouping.  John Lewis has knowledge of things GWR second to none and I can forgive him for deciding to call the shade of red adopted by BR maroon instead of crimson!

 

Chris

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There are books.  The two good ones dealing with auto trailers are "Great Western Auto Trailers" by John Lewis and published by Wild Swan.  Part 1 covers trailers built by and for the GWR prior to 1923, Part 2 those built post 1923, those converted from steam rail motors and trailers inherited from companies absorbed by the GWR at the Grouping.  John Lewis has knowledge of things GWR second to none and I can forgive him for deciding to call the shade of red adopted by BR maroon instead of crimson!

 

Chris

I'm sure they are excellent books. Part 1 is readily available but Part 2 (the one I'm more interested in) is out of print and I can't find a copy anywhere on the web. (And I'm a bit concerned about the potential cost of the book, when only some of the info would be useful to me.)

 

The great western archive website has a pretty good image of Diagram A 26 but not the ones I'm looking for (27, 28, 30). I wonder why more of the raw info, which must be out of copyright by now, is not on the web somewhere for everyone to use for free???

 

I have one more good lead to follow up, though...

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I'm sure they are excellent books. Part 1 is readily available but Part 2 (the one I'm more interested in) is out of print and I can't find a copy anywhere on the web. (And I'm a bit concerned about the potential cost of the book, when only some of the info would be useful to me.)

 

I tend to look upon such purchases as an investment but I accept that others may not.

 

Have you thought of seeing whether a copy may be found via inter-library loan, if such a scheme still exists?

 

Chris

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Have you thought of seeing whether a copy may be found via inter-library loan, if such a scheme still exists?

 

Chris

Searching your local library catalogue can reap rewards, I've currently got on loan a volume by J H Russell which hadn't been out of the Derbyshire Libraries Central Store for about 10 years. Cost me a small fee to get it sent to my nearest branch.

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