Re: D type efficiency (Was best subway equipment) (207246)

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Posted by Stephen Bauman on Wed Mar 21 07:05:05 2001, in response to Re: D type efficiency (Was best subway equipment),
posted by J trainloco on Tue Mar 20 23:00:05 2001.

The D types were heavy, true. But with todays alloys and technology, couldn't that concept (articulated units) be used to make cars that were lighter on structures?

That answer came only 6 years after the last D-type was delivered, almost 70 years ago, with the Green Hornet and its direct decendant - the Multis.

The 5-section Green Hornet was 170 feet long and weighed 170,000 lbs., was supported by 6 trucks, each with 2 axles. This works out to axle loading of 14,166 lbs.

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