Re: NNG: Geared Locomotive Speeds

jim pallow Wrote:
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> Ex WSLCo Shay #14 will develop a harmonic "bounce"
> if it is run too fast. I also watched it
> repeatedly (every trip) pick up the Engineer's
> side front driver in a tight right hand curve so
> the flange was well above the rail. Of course, the
> thrust was on the opposite wheel. JP

I ran #14 regularly and do not remember any harmonic bounce, though we ran her fairly fast at times. Maybe it is the track at, I assume, CRRM?

Skip Luke
Switchman (ret): Grand Canyon Railway;
Engineer (ret): Georgetown Loop RR Inc., Sumpter Valley Ry., Monticello & Sangamon Valley;
Dispatcher(ret): Illinois Central, White Pass & Yukon, Burlington Northern Ry.
Mariner, Musician, Miner