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3 1/2 inch small boilered TICH

Construction of TICH according to the words and music by LBSC

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Ryan Norton18/12/2018 09:10:16
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190 forum posts
774 photos

This weekend the treads were rough cut with a square profile slightly oversize.

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Ryan Norton02/01/2019 08:24:04
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190 forum posts
774 photos

Seasons Greetings to Everyone! I hope you all had a great December break!

During my time off I got a little bit ore done on the first driving car bogie.

First the treads were cut and using a gauge confirmed to be OK.

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With the wheels finally complete, they still looked like they needed something more. So I made a recess in the front side of each wheel and painted them. This is what they needed!

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The Axles were then turned to their final sizes and the wheel and bearing seats turned to within their press fit tolerance. I did the final sanding with water paper to give a good finish. A lead taper of 1 degree was also turned on the end to guide the wheel during pressing.

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Finally, all the parts are complete.

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I will paint the axles and then press the wheels and bearings on to complete the assembly.

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Weary02/01/2019 09:09:11
283 forum posts

Excellent results!

Can I ask where you got the wheel-gauge from? Or is it home-machined?

Regards,

Phil

Ryan Norton02/01/2019 09:13:12
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190 forum posts
774 photos

Thanks Phil.

The wheel gauge was designed by a friend of mine and laser cut from stainless steel.

It has 3 1/2 inch. 5 inch and 7 1/4 inch tread profiles as well as engraved marks for the chamfer and thickness of wheel.

Very useful.

Ryan Norton06/01/2019 19:09:45
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190 forum posts
774 photos

The axles were first masked and then coated with etch primer.

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Following the etch primer, they were sprayed with four coats of gloss black QD enamel.

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A wheel press was then made from some angle and threaded rod to press the wheels onto the axles.

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Following the wheels, the bearings were pressed to the axles.

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Finally the bogie was assembled.

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All it needs now is a coat of paint on the side frames, bearing covers and stretcher and it is good to go!

..... and then I need to make another one cheeky

Jon Lawes06/01/2019 20:03:27
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308 forum posts

What a lovely job, well done.

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