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1:32 scale
P254, P255, P256
Netherlands SS700/NS3700 class 4-6-0 driving wheels.

6′ 0¾″ diam., 18 oval spokes, rectangular inner rim, apparent tread 4″, tyre width 145 mm.
Hub 14½″ face dia., 15 mm out from the tyre, pin between spokes. Note that the coupling rods have one inch less throw than the connecting rods: the driven wheel pin is off-set at half way, driven wheel pin inner half at 12″, outer half at 13″, coupled wheels pins all at 12″.

Sources: works drawing for left hand drive Nos 695-766, photographs.

Castings: 57.8 tread dia., 51.5 i/d, hub 0.5 mm out from the tyre, pin at 9.53 mm.
Tyre width for scale modellers: 4.53 mm at 1:32 scale.

Casting prices and stock . Netherlands, loco sets, price list

Scan of a casting in a set for a Netherlands SS 700/NS 3700 class 4-6-0

Scan of casting P254, P255, P256

Cross section diagram of castings P254, 255, 256

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27 Mar 2013