I could see where people could mistake the B&M hyper (Apollo, Raging Bull) trains with the B&M floorless (Medusa, BKF, Kraken) trains. On the hyper trains, the seats are somewhat elevated, resulting in people being able to swing their legs (at least us short 'uns ;) )
The differences are there IS a floor in the cars, and the restraints are a lap harness instead of horsecollars...
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--Greg
http://www.pobox.com/~gregleg/