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Re: [CBQ] R-4 & R-5 Prairies

To: CBQ@groups.io
Subject: Re: [CBQ] R-4 & R-5 Prairies
From: "Mike Martin via groups.io" <atsf3460=aol.com@groups.io>
Date: Sun, 11 Oct 2026 17:14:12 -0700
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There also is an additional R4 / R5 type Prairie that has been built.  I checked my CD-ROM of the Dave Beck Collection and yes he built a 2-6-2 in addition to Roger Miller's scratchbuilt Prairie.
 
Here's how Dave Beck built his model:
 
This engine was scratch built using Bowser K-ll drivers with rectangular brass counter weights epoxied in place, portions of the Bowser frame, crank pins, rods, gears, a Sagami motor with flywheel, a Cal-Scale air pump, injector, feed checks, bell, generator, and air brake stand. Cary parts include the cuckoo clock headlight and backup lamp and hand rail posts. A modified crew from LaBelle mans the engine. Champ decals were used on P.P.G. automotive lacquer finish. The rest is scratch built using brass, steel, plastic, silver, wood, aluminum, copper, lead, epoxy, and coal from Southern Illinois. This engine was detailed for the period 1948/49, the end of its active service. Developing the drawings for this engine required some extra effort on the part of my son Vernon. The class diagram contained a small number of critical measurements; more dimensions were derived from photographs which had been processed to remove the some of the effects of perspective. This information was then used to produce the CAD drawing. The choice of details included in the CAD reflects what needed to be scratch built and what was available in Vernon's CAD library of steam locomotive parts.
 
Attached is Dave's son Vernon's drawing that Dave used to build his model.
 
Mike Martin
 
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