On My Virtual Workbench...

Eastsidepilot

Western Thunderer
Colin,

Presumably we're talking about detail 46 on Gardner drawing L32 for the GER Water Gauge Columns?

How full do you want the boiler to be? I think I may be able to get a water level showing in the gauge glass... It won't go down as you drive tho loco around, of course, but if you fitted some micro-bore tube top and bottom then I'm sure it could be done.

Yep, that's the one Dave, not worried about the water level showing( my names not Peter:rolleyes:)..........but I do have the right size micro-bore tube:D.

Col.
 

S-Club-7

Western Thunderer
Ouch! Nearly 18 months since I last updated this thread.

That's not to say nothing has been happening, just that there weren't any pictures to show.

I'm planning to add half a dozen or so items to my Off The Rails range within the next few days, starting with the 7mm LNER P1 slide chair which is available now in packs of 20 or 100. Whilst it may initially appear odd to duplicate some of the C&L/Exactoscale range of chairs, the idea is to expand my range to include packs of all the chairs required for various angles of switches. The P1 chair is the obvious starting point for this project. The observant amongst you will have noticed that the stud bolt is supplied as a separate part - you'll need to drill the stock rails to insert this into the "printed" hole in the jaw of the chair.
P1 v12 front.jpg
P1 v12 top-left-front.jpg
P1v12 top-left-front with bolt.jpg
P1 v12 top-right-front.jpg
The spring washer was drawn with the gap in it but this is barely visible when printed. I'll get my strait-jacket...​
 

SimonT

Western Thunderer
Dave,
brilliant but barking! Do you think that the bolt will be strong enough to stop the stcok rail going walk about, a problem that cyano only partly cures with the C 7L/Exactoscale?

Simon
 

S-Club-7

Western Thunderer
Dave,
brilliant but barking! Do you think that the bolt will be strong enough to stop the stcok rail going walk about, a problem that cyano only partly cures with the C 7L/Exactoscale?
Simon
"brilliant but barking!" gets a like from SWMBO! Well, the barking bit does:(

My sample of rail with a couple of P chairs attached to it found itself beneath an S7 member's boot at the last East Anglian Group meeting.:'( The flat part of the chairs broke but the jaw was still attached to the rail. I'll try and get a photo or two uploaded after we've been strawberry picking in the Essex rain...
 

S-Club-7

Western Thunderer
As promised earlier, some photos. Apologies for the depth of field (or rather the lack of it) :cool: :


outside2.jpg inside2.jpg
The head of the stud bolt is quite noticeable although, depending on how many burrs were left on the stock rail after drilling the hole, it'll need a stroke or two with a file to make it flush with the head and foot of the rail.

top-together2.jpg top-apart2.jpg
Tested to destruction by the foot an anonymous 303mm/ft S7 East Anglian Group member. Or maybe more than one :( as the stampede towards the buffet at the last meeting travelled directly over my sample which had been brushed (unintentionally, I'm sure) onto the floor. But the chair jaw is still firmly attached to the rail. :)

Colouring is washes and dry brushing using Lifecolor's Rust and Dust acrylic collection.

The rail is 3d printed. Another sample. This time of an LNER 13ft check rail with all the relevant curves pre-formed but with a reduced cross-section representing worn 95lb rail - this also reduces the wearing away of the paint on the check rail whilst track cleaning. The material used is a sintered nylon which has this wonderful surface texture and is much easier than steel rail to drill though when attaching slide chairs.
 

S7BcSR

Western Thunderer
David

As you say your P chair drawings are of LNER design are they based on the 1926 95R BS Switch and Crossing drawings? If so they are likely to be of use to all non-GWR groups who, I believe, all adopted the same standards for new S&C work.

I have just had a look at the actual drawings for the Southern Railway P chairs and they look to be exactly the same as the drawings for your chairs.

I could be in for some very soon if you give the right answer. :D

Regards
Rob
 

S-Club-7

Western Thunderer
As you say your P chair drawings are of LNER design are they based on the 1926 95R BS Switch and Crossing drawings? If so they are likely to be of use to all non-GWR groups who, I believe, all adopted the same standards for new S&C work.

I have just had a look at the actual drawings for the Southern Railway P chairs and they look to be exactly the same as the drawings for your chairs.

I could be in for some very soon if you give the right answer. :D

Rob,

The York drawing that I was using is entitled "Revised P Chair for Switches" and is dated March 1928. The remainder of the drawings in the book are dated from July 1926 (most of them) to April 1931.

It is my understanding that the "Big 3" did get together and standardise upon their chairs etc. As to which came first, the British Standard or their agreed designs, I don't know.

However, it's taking me long enough to draw the LNER chairs so please don't ask me to start on SR ones as well. Unless you think it'll make me the £1,000,000 that SWMBO doesn't think I'll make from Off The Rails :rolleyes:

The book? LNER NE Area Permanent Way Standards 1926, isbn 1 873513 42 9, published 2002 by the North Eastern Railway Association. There's also a 1912 version for the NE Railway but neither seem to be currently available; at least I couldn't find them on the NERA website just now.
 

Eastsidepilot

Western Thunderer
An over view of your products for the S7 newsletter wouldn't go a miss Dave :thumbs:.........if we shout lowd enough Richard might hear up in "Narfork"....."allo boy":D

Col.
 

Eastsidepilot

Western Thunderer
The book? LNER NE Area Permanent Way Standards 1926, isbn 1 873513 42 9, published 2002 by the North Eastern Railway Association. There's also a 1912 version for the NE Railway but neither seem to be currently available; at least I couldn't find them on the NERA website just now.

I think I've got these Dave :thumbs: if you need any info.

Col.
 

S-Club-7

Western Thunderer
I think I've got these Dave :thumbs: if you need any info.

Col.

Thanks Col, but these two volumes are probably the most thumbed in my library at the moment. Indispensable.

All we need is for the GERS to publish something similar then we can start the loco shed for West Mersea:))
 

S-Club-7

Western Thunderer
Some more Eastern Drizzle from my virtual workbench, this time wagon axle boxes based on Stratford's GER drawing dated April 12th 1880. Two variants are available: the familiar one is just stuck to the W-iron; the other is modelled to slide up and down in a profile-milled prototypically-shaped W-iron (or you could etch it, or file it out by hand).
v23 flat front.jpg v23 flat rear.jpg v23 working front.jpg v23 working rear.jpg

The pictures above are somewhat oversize; they're about a 6mm cube when printed, but the legend is readable!
v08 render.jpg
From the same period a lamp-top, GER again. Designed with space inside to fit a LED and/or smoke unit; finding space for the DCC chip is your problem!

All to 7mm scale and available now from the Off The Rails web-site.
 

S-Club-7

Western Thunderer
What thickness metal does the slotted guide allow ?

The prototype has a slot of one and one-eighth of an inch; presumably sufficient for clearance around a one inch W-iron.

The 3d-virtual-model has the slots a fraction of a knat's under 0.73mm.

SteveSopwith has been experimenting with some of the test prints so may be able to offer further guidance.
 
Top