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Welcome to the G3 Clubroom. This is the friendly online forum where members share ideas and inspiration, suggestions and advice, modelling tips, pictures and drawings, and general chat about our fine hobby of Gauge 3 railway modelling. A warm welcome, and enjoy your visit here today.

Recent posts

#91
Carriages & NPCS / Feeling squeezed? .... The Co...
Last post by John Candy - Nov 17 2025 14:27
At the print-testing stage are the STL files for GWR "Concertina" 70ft corridor stock.
The first two types are C27 All Third and D43 Brake 3rd.

Screenshots of the files as rendered from OpenSCAD are attached and photos will appear as the printing progresses (the bolection mouldings are separate inserts and not shown in these shots) .

If these are carriages you would buy and would like to see offered as kits, post a reply here or email Anthony Terranova anthonyterra@hotmail.co.uk who is licensed to produce kits from my STL files.

If there is interest, I will expand the the available types (I am also considering "Dreadnought" stock).

Dean clerestory corridor stock (3 diagrams) and corridor "Toplights" (5 diagrams) are  already at an advanced stage.

John

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#92
A lovely model!

I only once travelled behind a "Growler" (and it was No.18 "Michael Faraday") and that was a special train which commemorated the extension of electrification from Rickmansworth to Amersham (and the consequent abandonment of Metropolitan steam services to Aylesbury).

The "Growler" hauled the train between Baker Street and Rickmansworth, where 42070, an ex-LMS Fairburn 4MT 2-6-4T, took over and hauled the train to Amersham and back to Rickmansworth (the line beyond Rickmansworth would go "live" the following Monday, when new "A60" emu stock took over from the Metro Vick "Growlers").

I was 12 at the time and still have the tickets (my father took me) together with the other handouts relating to the event.

John

P.S. I wonder how much the Return fare to Amersham is now?!

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#93

The loco is complete, as there are two motors one for each bogie I have used a lead acid battery for extra power, the battery is located in the middle of the body and gives extra weight for good traction.

I would like to add sound but no idea how to make the sound of a Growler, any ideas.

Mike

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#94
Wow very nice indeed!
#95
Metropolitan Railway Electric Locomotive
These locos were introduced in 1920's to run overground from Baker St to Amersham pulling standard coaches. They were known as Growlers due to the noise made by the traction motors. I can remember seeing one at Baker St in the 1960's.
The model is mostly 3D printed with full interior cab detail; the bogies have a steel chassis to carry the motor/gearboxes with printed detail plate sides, both bogies are powered.
The model was created in collaboration with Paul Smith from FK3d.co.uk who made the laser resin prints, this process produces perfectly smooth surfaces and renders remarkable detail.
We are considering making the loco available as a kit if there is any interest.

Mike

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#96
Carriages & NPCS / Re: The GWR 50ft Siphons
Last post by John Candy - Nov 07 2025 16:51
Yes, Slater's make/sell them part no. G31574 (I believe they were originally produced for the GRS GWR Collett corridor stock).

John.
#97
Carriages & NPCS / Re: The GWR 50ft Siphons
Last post by Anthony Terranova - Nov 07 2025 16:23
Am I correct John, or are my eyes deceiving me, that there are square shanks on the buffers in a square hole in the guide?

I may be able to simply ask whoever did them to make eliptical heads if so.

Kind regards

Ant
#98
Thanks John thats great help, the photo explains a lot.

   Dave
#99
Hello Dave,

Attached are a couple of photos of underside which may help but the brake rigging does get in the way of the view of the suspension.

The outer axles are mounted on Mike's steel W-irons (and are not sprung) while centre axle uses the springing arrangement (with inside bearings) as provided in the 3D file pack. Alternative might be to use Walsall's etched brass  compensated units on outer axles, if you prefer, but at the prototypical scale speeds of non-fitted goods trains that should not be necessary (unless the trackwork is particularly poor).

Regards,
John.

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#100
Hi John. after talking to you at the AGM I bought my self a Bambulabs P1s and in the process of printing some of the files for LNWR brake van so far so good my question is what w irons to use
1, should I use the files you did for the LWNR 17B or mike Williams metal folded ones

great work you have done John

  Dave