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Code 55 in HO?
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If you want finescale wheels for HO steam locos then go to [url]www.sharmanwheels.com[/url] or [url]www.scalefour.org/ag/index.htm[/url] <br /> <br />They both sell fine scale but not proto:87 wheelsets in every conceivable permutation. The wheels on Alan Gibsons wheels are 2.4mm thick with the flange 0.5mm thick and the tread 1.9mm. The flange is 0.7mm deep. Mike Sharmans whels (now sold by Chris Stapleton) are 2.2mm thick with the flange 0.5mm thick and the tread 1.7mm thick. The flange is 0.7mm deep. <br /> <br />This is finer that RP25 but not true scale size. The flange can be reduced to proto:87 dimensions with care (see journal number 8 on [url]http://www.proto87.org/[/url] ) <br /> <br />The tires are steel so require brass pickups to reduce sparking as far as possible (not phosphour bronze as usually found on locos with nickel silver tires). <br /> <br />You must remeber that the minimum radius for proto:87 is rahter larger than what you can get away with in RP25 and there should be no problem on code 55 with RP25. <br /> <br />have fun! <br />Neil <br /> <br />By the way - the wheels are sold in OO, EM and P4 gauges. In HO we want the OO gauge but increase the back to back spacing to about 15.5mm[:D]
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