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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Jul 15, 2010 11:54 am 
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NBR D34 4-4-0 'Glen'
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Very tasty... The castings idea has some legs.
As for the piccie - hmmmmmmmmmmm
I can see someone producing a very deep and thoughtful article on these O4 models.
For those of us who noodle it will be a god send, especially if you are a slow as me! :lol:

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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Jul 15, 2010 2:26 pm 
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GCR D11 4-4-0 'Improved Director'
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Prominent boltheads along the top of the frames should be there for most locos, although they did not feature on another 04/1, namely 5408 in 1926. Unfortunately, 04/1 63601, now preserved, did not feature them either and Bachmann copied this faithfully! An etching could solve this.

The checker plate looks like a wrapper when seen on 63601 in 1964 and looks to have been unique.

The widened footplate above the cylinders should just clear the rear of the cylinders, so the model is not accurate. Then again, is the preserved 04 like this?

Larry


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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Jul 15, 2010 10:07 pm 
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LNER A4 4-6-2 'Streak'
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coachmann wrote:
Prominent boltheads along the top of the frames ....An etching could solve this.


Or my usual low-tech approach of evenly sized and spaced dots of PVA.

The checker plate would disappear with a wipe of filler and a rub-down.

I see no way of reprofiling the running plate edges within the bounds of reasonable time, risk and effort.

It's a shame that ANY corrections need to be contemplated. There's loads of information freely available on the "majority type" of O4, why did they attempt to model a slighly un-representative preserved loco and then perhaps still get bits wrong?

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Bachmann A2 to A2/3: from page 56 to page 83.

Hornby A3 to A1/1 Great Northern: from page 84, resin conversion shown in pictures from page 108.


See a Feast of LNER Modelling at http://www.lner.info/forums/viewtopic.php?f=2&t=9254


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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Jul 15, 2010 10:29 pm 
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Evening all

Quick question from me, regarding the O4 models, I curently have the LNER version and have seen the preserved version with late crest, but wherever I look I can't seem to see the early crest version. Has it been held back?

Tom

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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Jul 15, 2010 11:09 pm 
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GCR D11 4-4-0 'Improved Director'
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Quote:
I can't seem to see the early crest version. Has it been held back?
It isn't available yet, otherwise I'd have one too. :D


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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Jul 15, 2010 11:16 pm 
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LNER A3 4-6-2
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coachmann wrote:
Quote:
I can't seem to see the early crest version. Has it been held back?
It isn't available yet, otherwise I'd have one too. :D


Cheers Coachmann, that explains it

early crest O4 and those Peppercorn A2s...... it's going to be a good summer :D

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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Mon Jul 19, 2010 10:45 pm 
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LNER A4 4-6-2 'Streak'
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After an arduous weekend working on my cherished "classic" car (why do I do it????) I've been able to return to some model making tonight and have finished off my master for the replacement top-boxes for the rear of a GC tender. I've actually made a bit of a compromise regarding the details of the boxes, as renewed study of drawings and details of the prototype showed that in much the same way as the LNER had both a pre-1937 and a post-1937 version of the GS tender, so the GC twenty years earlier had a pre-1917 and a post-1917 variety. In both instances, for the observant, the "give away" in usual views is the shape of the front ends of the side coalplates, the earlier tenders having a longer "low front" before the rise of the coalplates. I've ignored the GC self-trimming tenders which are a different kettle of fish anyway.

Although the details of the top-boxes on the early and late types of GC tender were probably not identical, I decided that they were similar enough to be modelled in one style only, and that this would keep open the option of putting the converted Bachmann tender behind later GC locos such as Improved Directors and the Four-Cylinder types. Pre and post 1917 "looks" can be created according to how much of a new rear coal plate you fit, and where you fit it, and as that need only be a piece of plastikard, that should be an easy piece of work.

I'll let you know how the resin copies turn out, eventually.

_________________
Bachmann A2 to A2/3: from page 56 to page 83.

Hornby A3 to A1/1 Great Northern: from page 84, resin conversion shown in pictures from page 108.


See a Feast of LNER Modelling at http://www.lner.info/forums/viewtopic.php?f=2&t=9254


Last edited by Atlantic 3279 on Tue Jul 20, 2010 9:23 am, edited 1 time in total.

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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Mon Jul 19, 2010 10:51 pm 
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LNER A3 4-6-2
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Atlantic 3279 wrote:
After an arduous weekend working on my cherished "classic" car (why do I do it????) I've been able to return to some model making tonight and have finished off my master for the replacement top-boxes for the rear of a GC tender. I've actually made a bit of a compromise regarding the details of the boxes, as renewed study of drawings and details of the prototype showed that in much the same way as the LNER had both a pre-1937 and a post-1937 version of the GS tender, so the GC twenty years earlier had a pre-1917 and a post-1917 variety. In both instances, for the observant, the "give away" in usual views is the shape of the front ends of the side coalplates, the earlier tenders having a longer "low front" before the rise of the coalplates. I've ignored the GC self-trimming tenders which are a different kettle of fish anyway.

Although the details of the top-boxes on the early and late types of GC tender were probably not identical, I decided that they were similar enough to be modelled in one style only, and that this would keep open the option of putting the converted Bachmann tender behind later GC locos such as Improved Directors and the Four-Cylinder types. Pre and post 1917 "looks" can be created according to how much of a new rear coal plate you fit, and where you fit it, and as that need only be piece of plastikard, that should be an easy piece of work.

I'll let you know how the resin copies turn out, eventually.


I look forward to seeing how this turns out Graeme, I found Tony Wright's article in BRM this month most interesting about upgrading the 04......roll on Mr King's Modifications :lol:

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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Tue Jul 20, 2010 11:22 pm 
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LNER A4 4-6-2 'Streak'
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For a preview of my alterations to the tender top to make it "correctly GC" see the lower part of this page:
viewtopic.php?f=3&t=2443&p=32660#p32660

_________________
Bachmann A2 to A2/3: from page 56 to page 83.

Hornby A3 to A1/1 Great Northern: from page 84, resin conversion shown in pictures from page 108.


See a Feast of LNER Modelling at http://www.lner.info/forums/viewtopic.php?f=2&t=9254


Last edited by Atlantic 3279 on Wed Jul 21, 2010 10:47 am, edited 1 time in total.

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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Wed Jul 21, 2010 9:17 am 
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NBR D34 4-4-0 'Glen'
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Atlantic 3279 wrote:
For a preview of my alterations to the tender top to make it "correctly GC" see the loer part of this page:
viewtopic.php?f=3&t=2443&p=32660#p32660


That is one heck of an improvement! :wink:

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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Mon Aug 09, 2010 9:47 am 
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LNER A4 4-6-2 'Streak'
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earlswood nob wrote:
If I keep the O4 footplate & chassis and add a Hornby B17 boiler, I might get something resembling an O4/7.


If you've not yet started and you want to gain some idea of what might be involved in re-working the B17 boiler to suit O4/7 application, then it may be worth having a look over the next few days at what I did to make such a boiler suitable for a K4.
loco-workbench-b2-p1-w1-a3-o2-3-p10-p2-what-now-t2443s405.html
I believe you will need to ADD length however, unless you get the smokebox too (maybe join two boilers?) and you'll need to extend the firebox sides downwards, although there won't be so much to cut out from the boiler bottom.

_________________
Bachmann A2 to A2/3: from page 56 to page 83.

Hornby A3 to A1/1 Great Northern: from page 84, resin conversion shown in pictures from page 108.


See a Feast of LNER Modelling at http://www.lner.info/forums/viewtopic.php?f=2&t=9254


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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Wed Aug 11, 2010 9:10 pm 
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GNR J52 0-6-0T

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Location: Bakers Hill, Western Australia
I was just wondering since I don't have an O4 yet though I will eventually need one. How much work does it look like would be needed to turn the Bachmann O4 into an original GCR 8K as it may have run in 1912?

For that matter what about the NuCast one (I actually quite like the mass of white metal kits) has anyone made one of these up in original condition and what difficulties were encountered?


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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Aug 12, 2010 8:51 am 
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LNER V2 2-6-2 'Green Arrow'
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I suspect that as Bachmann are now doing the GWR ROD version they will eventually release an O4 in original state. I would imagine that it is quite possible to retrofit one of the existing models by changing the boiler mountings but you would need to also alter the tender as has been described elsewhere in these forums.

As for the ROD version the addition of a Westinghouse Pump and piping is not a problem. I have done similar things on 8F 2-8-0s and intend eventually to produce a grey painted O4 as shipped overseas in WWII.


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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Aug 12, 2010 9:33 am 
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LNER A4 4-6-2 'Streak'
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Skaran wrote:
How much work does it look like would be needed to turn the Bachmann O4 into an original GCR 8K as it may have run in 1912?


A fair amount. Others may add points to this list, but as well as the tender:

Change to parallel front buffer sockets
Ensure wheel and handle on smokebox door, not twin handles
Top front lamp iron to Smokebox top
Change to Robinson chimney
Delete snifting valve and possibly fit evidence of Robinson draught retarder gear
Possibly fit top-feed
Change to taller dome
Change Ross pop valves to four column Ramsbottom, open, individually cased, or in combined casing.
Whistle to cab roof
Add GCR cabside number plate
Change to black with red and white lining
Add piston tail rods
Delete double steps from slidebar bracket and possibly add rudimentary single step to same
Fit new steps to mid-way along running plate

This is in addition to correcting any errors of pony truck position, cylinder/slidebar angle, missing bolt heads, bent connecting rods, shape of running plate edges above cylinders, cumbersome loco-tender coupling, etc etc if these annoy you.

_________________
Bachmann A2 to A2/3: from page 56 to page 83.

Hornby A3 to A1/1 Great Northern: from page 84, resin conversion shown in pictures from page 108.


See a Feast of LNER Modelling at http://www.lner.info/forums/viewtopic.php?f=2&t=9254


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 Post subject: Re: BACHMANN ANNOUNCE O4
PostPosted: Thu Aug 12, 2010 11:13 am 
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LNER V2 2-6-2 'Green Arrow'
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Let's see if Bachmann do bite the bullet if the issues Atlantic 3279 has raised are tackled?

I would think that our friends down under would be very interested in an original version for the Hunter Valley.


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