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Ruston LAT/LBT - coming together

Fen End Pit

Entry posted by Fen End Pit

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I've made a lot of progress with the Ruston over the weekend. I decided to build the locomotive using 'split axles' for the pick-ups.I decide to try something new here and use the delrin gear as the space to keep the two parts of the axle aligned. The gears are about 8mm wide so each end of the axle is pushed into the gear by about 4mm. A little circle punched from a piece of thin paper is enough to keep the ends electrically separate and the whole lot is flooded with loctite so hopefully it won't move. You can also see in this picture the shorting strips on the wheels which are from Brassmasters. I know the wheels are really too 'thin' for 16mm but having fitted all the rest of the stock with O gauge profile wheels, and built the point work on Fen End Pit to the same standards I have to stick with it really.

 

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Firstly I tried running the loco up and down just on DC power. I had to take a fibre glass brush to the wheel treads to remove most of the chemical blackening but after doing this it ran up and down. I benefits from some added weight but there is plenty of room for added lead later.

 

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Yesterday was spend in the not very photogenic activity of trying to fit the DCC chips, sound chip, stay-alive capacitor and speaker. The cab has a useful space, formed of a large ballast weight and a locker which gives a useful space for the chips. The speaker is set under the bonnet.

 

The results can be judged in this youtube clip

 

 

Today I've been adding more etched bits and some more details in plasticard. I also annealed and bent up the tractor seat, which I'm rather pleased with.

 

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Next up I have a load of work on the cab interior to do.

 

David

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chrismears

This is such a fantastic project. These last few days I've really enjoyed reading and rereading through your posts and learning how the models were built. I'm starting to wade into 16mm and scratchbuilding my own Ruston based on some drawings from the Merioneth Railway Society's drawings for a Ruston 16hp. I'm "moving up" from the much smaller scales and since my model is for indoors use think track power is still the way to go. That's a rambling way of my asking what you are using for wheels under this model?

I'm looking for a 20mm diameter wheel for my model. You mention using O scale wheels and I like their shape/profile so don't mind adopting that in place of an actual 16mm scale wheel. I'd like it in metal. 

 

What you're using look exactly like what I'm after. I know it's been a very long time since you wrote this post but I thought I'd ask anyway.

 

 

Chris

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Fen End Pit
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3 hours ago, chrismears said:

This is such a fantastic project. These last few days I've really enjoyed reading and rereading through your posts and learning how the models were built. I'm starting to wade into 16mm and scratchbuilding my own Ruston based on some drawings from the Merioneth Railway Society's drawings for a Ruston 16hp. I'm "moving up" from the much smaller scales and since my model is for indoors use think track power is still the way to go. That's a rambling way of my asking what you are using for wheels under this model?

I'm looking for a 20mm diameter wheel for my model. You mention using O scale wheels and I like their shape/profile so don't mind adopting that in place of an actual 16mm scale wheel. I'd like it in metal. 

 

What you're using look exactly like what I'm after. I know it's been a very long time since you wrote this post but I thought I'd ask anyway.

 

 

Chris

Hi Chris

 

I'm pretty sure that the wheels were just Alan Gibson 7mm scale 3' diameter wagon wheels. They work out at 21mm but close enough. For my Binnie skips I use Alan Gibson Lowmac wheels.

 

Glad you're liking the blog posts...

 

David

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chrismears
On 31/08/2021 at 18:18, Fen End Pit said:

Hi Chris

 

I'm pretty sure that the wheels were just Alan Gibson 7mm scale 3' diameter wagon wheels. They work out at 21mm but close enough. For my Binnie skips I use Alan Gibson Lowmac wheels.

 

Glad you're liking the blog posts...

 

David

Thank you for the notes on the wheel types. 

 

I have some of those Binnie skips here and the same question in mind for those too. I see Slaters stock comparable wheels (maybe they're the same thing as the Gibson ones you've used) and I'll have to order some to use. Thank you.

 

Chris

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