GWR Steam Railmotor Chassis

Jeremy Suter
Posts: 71
Joined: Tue Apr 14, 2009 6:56 pm

Re: GWR Steam Railmotor Chassis

Postby Jeremy Suter » Fri Apr 06, 2018 8:50 pm

Hi Steve
Thanks for the comment and the question.
With regards to the solebars:-

Do they have separate overlays?
If so what thickness do you use for the overlays?
Is the river detail etched or punched from behind?
If punched from behind may I ask what tool do you use to get such consistency?


Here is a picture of the underframe etch. It shows that the solebar is a fold up with a half etched insert so that the rivets are uniform in height and width.
IMG_3178.JPG

It's etched in 12 thou nickel silver so that the half etch is 6 thou.
The solebar steps when folded up need the rivets pushing through from the back, I use a GW Models riveter but have since made new tools to fit it with different points and angles to the 45 degree pin point supplied and use the Limiter to keep the same depth.
I must admit that depending where the rivets are I sometimes just push them out with a scriber.

CornCrake
Posts: 18
Joined: Sat Dec 05, 2015 2:03 pm

Re: GWR Steam Railmotor Chassis

Postby CornCrake » Mon Apr 09, 2018 8:07 am

Hi Jeremy,
Thank you for your detailed reply, just what I needed.
Please add me to your list!
Steve

GWSGMember
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Joined: Fri Dec 11, 2009 4:42 pm

Re: GWR Steam Railmotor Chassis

Postby GWSGMember » Mon Apr 09, 2018 2:01 pm

Looking forward to the point when one can order this just like the Iron Mink.

Any thoughts on likely pricing yet for the underframe kit complete with castings etc for the powered bogie?

Ken

Jeremy Suter
Posts: 71
Joined: Tue Apr 14, 2009 6:56 pm

Re: GWR Steam Railmotor Chassis

Postby Jeremy Suter » Wed Apr 11, 2018 10:05 pm

Hi Ken
Thanks for the Question.
Any thoughts on likely pricing yet for the underframe kit complete with castings etc for the powered bogie?


Sorry Not as yet. Not finished the Castings still need to make the Bogie axlebox and springs.

Although things are getting closer, I have been re looking at the mounting bars and trying to get more rotation. This I have done by drawing up an etch which folds up into the two bars connected together with a central pivot then that can be screwed to a plate on the chassis giving the impression of fitted to the chassis mounts.
First test etch showing 3 units OO EM and S4 spacing.
IMG_3182.JPG

Plate fitted to the underneath of the chassis by the four screws as if mounted to the beams. A shouldered 8ba nut soldered through the central hole. The beam unit also slots over the nut so that the screw can be done up tight while still giving free rotation.
IMG_3183.JPG

IMG_3184.JPG

Chassis fitted to the underframe the screw can be just seen between the beams.
IMG_3185.JPG


I

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jsherratt
Posts: 64
Joined: Sun Aug 17, 2008 3:21 pm

Re: GWR Steam Railmotor Chassis

Postby jsherratt » Thu Apr 12, 2018 10:02 am

Hello Jeremy.

I may already have asked you this, but in case I haven't, would you put me down for one of these please when it is available?

It looks very good.

Thanks - John

kelham
Posts: 27
Joined: Sun Jul 20, 2008 11:17 pm

Re: GWR Steam Railmotor Chassis

Postby kelham » Mon Apr 16, 2018 6:14 pm

Likewise – I'll have two, please, when you're ready.


Richard Kelham

Bernie
Posts: 7
Joined: Thu Dec 28, 2017 1:40 pm

Re: GWR Steam Railmotor Chassis

Postby Bernie » Wed Apr 18, 2018 5:45 pm

Exquisite work, Sir!

Bang me down for a pair. (for the future, when I can solder at the subatomic level!)

Regards,
Bernie

Jeremy Suter
Posts: 71
Joined: Tue Apr 14, 2009 6:56 pm

Re: GWR Steam Railmotor Chassis

Postby Jeremy Suter » Sun Apr 29, 2018 9:19 pm

Re: GWR Steam Railmotor Chassis
Post by Phil O » Thu Mar 22, 2018 4:57 pm
Hi Jeremy,

The un-powered bogie looks like a fishbelly, will you be making them available as a seperate item? I had a pair pencilled in with Chris Parrish, who has sadly passed away.


This post is specially for Phil.

I have redrawn the Fishbelly Bogie to a 9' wheelbase and test etched it.
IMG_3186.JPG


I spent the evening putting it together, a few minor errors but has gone together well. I will start writing the instructions on a new thread later this week.
IMG_3209.JPG


All those interested in the Railmotor chassis I am hoping to send a final production etch to the etchers this week and start doing the instructions on a separate thread the Valve gear etch still needs to be finalised so hopefully try and get that done in the next few weeks

Phil O
Posts: 159
Joined: Sun May 05, 2013 5:23 pm

Re: GWR Steam Railmotor Chassis

Postby Phil O » Mon Apr 30, 2018 8:17 am

Hi Jeremy

Thanks very much, looks great.

Phil.

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Horsetan
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Joined: Tue Jul 29, 2008 9:24 am

Re: GWR Steam Railmotor Chassis

Postby Horsetan » Tue May 01, 2018 12:48 am

I'll definitely have two. Might even extend to a third, to put the etch in a picture frame and hang it on the wall.
That would be an ecumenical matter.

DougN
Posts: 823
Joined: Wed Sep 01, 2010 9:57 am

Re: GWR Steam Railmotor Chassis

Postby DougN » Tue May 01, 2018 3:12 am

Oh horse up there with the Finney A3, a Malcolm mitchell something and a bardwell J27... one day you may build them! :D
Doug
Still not doing enough modelling

GWSGMember
Posts: 4
Joined: Fri Dec 11, 2009 4:42 pm

Re: GWR Steam Railmotor Chassis

Postby GWSGMember » Tue May 01, 2018 11:34 am

I would be interested in two - to build.

this is for the 59 foot Diagram Q railmotor if I remember the start of the thread.

I will be interested in two 70 foot version if you do those too!

Ken

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Horsetan
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Re: GWR Steam Railmotor Chassis

Postby Horsetan » Tue May 08, 2018 10:58 pm

DougN wrote:Oh horse up there with the Finney A3, a Malcolm mitchell something and a bardwell J27... one day you may build them! :D


The A3 and A4 have started, as has the Collett Goods.
That would be an ecumenical matter.

Jeremy Suter
Posts: 71
Joined: Tue Apr 14, 2009 6:56 pm

Re: GWR Steam Railmotor Chassis

Postby Jeremy Suter » Thu May 17, 2018 9:10 pm

The Casting Patterns for the Underframe, Chassis and Bogie of the Diagram Q Railmotor are now all done and gone for casting tonight.

IMG_3239.JPG

It was the bogie springs and axleboxes holding this stage up So when Tony Montgomery mentioned he would be mould making this week I finished them off unfortunately they only fit the 8 foot Fishbelly, the 9 foot version springs are 2mm longer so will have to make another set.
IMG_3240.JPG

I have made enough of each so that one spin makes I Unit without sub mastering.


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