Re: B&O underframes
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Can you share the issue date so I can dig around the online archives?
The few images of pre-USRA B&O reefers that I’ve seen have been truss rod cars with a straight steel center sill. The M-15 boxcars had a fish belly center sill and no truss rods.
The M-18 boxcar class was similar to the M-15 car design but had truss rods and a steel center sill. About 3000 M-18 cars were put into service in 1916. These are low numbers in comparison to the M-15 cars.
From: main@RealSTMFC.groups.io <main@RealSTMFC.groups.io> On Behalf Of lrkdbn via groups.io
Sent: Monday, November 9, 2020 6:00 PM
Subject: [RealSTMFC] B&O underframes