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Thomas' apprentice


godderz
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Is it a short or no contact?

The wheels may be lifting at the frog and the whole side of the loco rises and loses contact. There may be bits of stuff (ballast, usually) in the frog.

For shorts, the wheels may be wide and touch two rails in the pointy bit of the frog. That usually ends up having to be painted with nail polish or similar (clear, not crimson).

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Wow. That’s good advice I hadn’t at all thought of. It does occasionally short!! I had no idea why, so I’ll have a good look.

 

Is it a short or no contact?

The wheels may be lifting at the frog and the whole side of the loco rises and loses contact. There may be bits of stuff (ballast, usually) in the frog.

For shorts, the wheels may be wide and touch two rails in the pointy bit of the frog. That usually ends up having to be painted with nail polish or similar (clear, not crimson).

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Had a go at spraying the track. This is for my own mojo and experience for the future... I’ve come to enjoy this so much I’m going to do my own after this!

I have an airbrush not used for over a decade, and used a dark earth acrylic that hadn’t dried up. I see there are paints directed a model railways, ‘sleeper grime’etc. I’ll have to find some for the next one!

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Looks a nice layout and check the point blades haven’t got glue and paint on the surfaces where they meet the rails as it relies on that for contact and just about the right length to stop Thomas! Very fine emery paper gently rubbed between the blade and rail, where the yellow lines are, will clean it up nicely.

post-6968-0-72284800-1544890656.jpeg

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The shorting problem on insulfrog points may come because there is a feed to the frog rails beyond the frog. Then locos with wider-than-latest-standard wheels may touch both rails in the plastic frog, especially if the plastic has worn down a bit. Narrower-than-standard back-to-back may touch the open point rail.

 

(I've just used up my daily quota of hyphens.)

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