Re:Re: (erielack) Photos of 2602

["Janet & Randy Brown" <jananran_@_mymailstation.com>]

Taking  "duplex" to mean a rigid frame with more than two sets of cylibers, the D&H had one -- a 2-8-0 with cylinders under the cab as well as up front, but with a common set of side rods.  This loco was an experimental designed to address the questions of firebox and boiler performance.  It had all the efficiency-improving adjuncts on a high-pressure (300+ psi) watertube boiler.

It was never duplicated.

Instead, D&H went to 4-8-4s and 4-6-6-4s.

Randy Brown
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Philip,

Duplex no, triplex yes. The L1s were Mallet (say that with a French  accent please) articulated compound locomotives. Duplex to the best of  my knowledge in locomotive terms, was only applied to the Pennsy's Q  class and T class, rigid frame locomotives.


Regards,

Will Shultz


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