Posted by Dave Redmann on January 3, 2023 
Thanks for sharing these, I really enjoy them. Maybe my eyes are deceiving me, but the front cylinder doesn't look much if any larger than the rear cylinder, suggesting a simple designed instead of compound (i.e., NOT a mallet). That suggests a locomotive designed for higher-speed running, and I wasn't aware of any (relatively) higher-speed 2-8-8-2s. It would be interesting to hear from someone who knows. Or, maybe my eyes are simply deceiving me.
Posted by Jeff Sell on January 19, 2023 
Dave - FYI....mallets can be compound or simple.
Posted by Dave Redmann on January 23, 2023 
Jeff, I think I disagree; a Mallet is by definition compound--in other words, if an articulated locomotive cannot run compound, then it is not a Mallet--although some compound locomotives can also run in simple mode (like the N&W Y6). I don't think there are any locomotives with the front and rear cylinders the same size that can run compound. But if I'm wrong about that, I'm happy to be corrected.
Posted by Jeff Sell on January 28, 2023 
Dave - I stand corrected. I always knew mallets were compound, but when I looked on the internet, they showed simple and compound locomotives being mallets. Another lesson learned about trusting the internet!
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