Subject:
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Re: Draft of a new driver wheel
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 29 Oct 2003 21:44:05 GMT
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Viewed:
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2568 times
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In lugnet.trains, Larry Pieniazek wrote:
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In lugnet.trains, Reinhard “Ben” Beneke wrote:
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In lugnet.trains, Jason J. Railton wrote:
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On the left hand is a wheel from 396 etc. And I never saw a broken one. My
spokes are twice as thick as these old one have been.
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Personally, I prefer a smaller wheel (3 studs across the hub). What size
is this across the hub, rather than the flange?
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Have not measured it myself (in millimeters) so far, only in
CAD-coordinates...
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From your own picture, eyeballing the measurement by holding pencils up to
the wheel and the ties below it and so forth, I get that the hub diameter is
just a smidgeon below 4 studs across, while Jason of the green engine wants
3, which coincidentally is about the diameter of the wheel you show next to
it (the one used in the 7750?).
Given that wheel exists, why do another one that diameter (ignoring for the
moment what the price of that wheel actually IS) ??
That said, though, I think for freight locos I’d rather err a bit smaller
too, I guess. I have never seen a graph of engine population density vs
driver diameter so I’m guessing but I think smaller may be a bit more common
than say 5 or 6 studs across ala the Thatcher Perkins driver you show on the
other side. But I don’t see 4 as totally too large by any means. In fact I
think it’s a good choice.
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I’m coming to the same conclusion, I was originally envisaging a bit larger. But
the large size of the flanges makes the dimensions you have to take into account
for footplate height much larger than on a ‘scale’ model. The size ben has
chosen would give the most possible applications.
Tim
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Message is in Reply To:
 | | Re: Draft of a new driver wheel
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| (...) From your own picture, eyeballing the measurement by holding pencils up to the wheel and the ties below it and so forth, I get that the hub diameter is just a smidgeon below 4 studs across, while Jason of the green engine wants 3, which (...) (21 years ago, 29-Oct-03, to lugnet.trains, FTX)
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