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Pole Road Wheels
 Moderated by: oztrainz Page:  First Page Previous Page  1  2  3  4  Next Page Last Page  
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 Posted: Mon May 5th, 2014 06:23 pm
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mwiz64
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Best bet.... Find a friend that is a hobby machinist and get him to make you some rims.



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 Posted: Tue May 6th, 2014 04:45 pm
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Alwin
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Maybe I found an other option. Couple two spoked railway wheels front to front together. There are also pole road loco's with wheels that have a more flat inner part instead of the round form.

Only thing is where to find these wheels for a reasonable price. With this method I need many of them. Already 8 for the tractor itself, and I want also a little log car behind it. Time for some more googling :hyp:.

Alwin

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 Posted: Tue May 6th, 2014 06:59 pm
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pipopak
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For a static model you can make a master and then make resin copies. Jose.



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 Posted: Sat May 10th, 2014 09:07 pm
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Alwin
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Jose, sorry for the delay. It is ment to be a static model at first. Maybe I gonna motorize it later with RC to control it. Why can´t I use resin copies for a motorized version. Is it not strong enough?

Thanks, Alwin.

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 Posted: Sun May 11th, 2014 01:31 am
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pipopak
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Why can´t I use resin copies for a motorized version. Is it not strong enough?
Resin is somewhat brittle. I don't think it will last in a powered model. Jose.



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 Posted: Sun May 11th, 2014 02:36 am
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Herb Kephart
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Resin will work, if it is bonded to a metal rim/flange

One of the British manufactures makes loco drivers that way, and because of the less time involved in making a metal master, and lower cost to make the wheels, they are able to offer quite a variety of  sizes and number of spokes. Counterweights are taken care of with an arc shaped piece of metal or styrene, epoxied on by the modeler.

Herb



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 Posted: Sun May 11th, 2014 04:36 pm
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Alwin
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Herb, the rim is the problem. I have tried a few things today to make a rim but it didn't work well. I have asked someone what the price is to mill the wheels for me. It is just a side project so costs must be low otherwise I don't continue with it.

Thanks for the help so far.

Alwin

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 Posted: Fri May 16th, 2014 09:07 pm
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tebee
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You could always 3-d print them.

These are some I did in 9mm gauge (9.6 mm in diameter)



They are not as good runners as metal wheels, but work as well as most plastic one do - cost if you do a few is less than $1 an axle and the can be easily made in any size, gauge or type.

with a skip chassis



and in some trucks







Tom



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 Posted: Fri May 16th, 2014 09:26 pm
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Alwin
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Tom, that are some great looking wheels and trucks.

I've been thinking of 3d printing but have no experience with that. Do you have a 3d printer yourself?

The 3d drawing is not the problem but the translation to G-code is something I have never done before.

Alwin

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 Posted: Fri May 16th, 2014 09:40 pm
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tebee
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No I just use Shapeways - I like the nylon material(WSF)for things that need mechanical strength and machines that use it are silly prices.

It comes white, but I dye it a base rust color with Rit fabric dyes.

Shapeways is fairly cheap if you put a decent number of things together rather than just ordering one at a time.

You just save your model as an STL file from whatever package you are using.

Tom



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