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Wheel casting/making

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Brian Oldford	25/01/2017 15:49:22
686 forum posts 18 photos	An alternative might be. http://modelenginenews.org/meng/edm/p1.html
Tinus Deysel	26/01/2017 13:02:47
5 forum posts	I carved a loco wheel of 7.5 inches dia out of a beeswax/candle wax block,then added wax counterweight,then embedded this in fire cement to make a provisional mould.When the fire cement set ,it warmed up enough to melt out the wax.I then cast a hard lead alloy(mostly wheelweights) in this. The lead alloy wheel was then cleaned up and the spokes tapered from front to back,and used as pattern to cast aluminium in green sand.The alu pattern(three, with differing counterweights)were given to a local foundry who produced beautiful wheel castings for eventual use in my USRA 0-8-0 tender switcher in 7.25 gauge now finally under construction(if hacksawing and filing 20 mm thick bar frames could be called construction!
Chris Hammond	26/01/2017 15:14:34
54 forum posts 3 photos	Thanks for the info Tinus. I've had a price in from one foundry so far - looking around the £16 per wheel mark, which, I guess for the work involved is reasonable. However, thinking back to what Jason mentioned, as the wheels are hidden by counterweights, I may be tempted, to turn them out of bar stock as solids. Does that make sense or would I be asked to leave the locomotive purist guild?

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