http://www.osengines.com/engines/osmg0556.html
Interesting. No power info on their website.
"PS"
"Possum Squishes" - force required to crush an opossum to 1/2" height off pavement.
"Per Square . . ." - Somethings per square something else.
"Powder of Squid" - amount of energy consumed by one sucker on the Kraeken's tentacle in sucking one hapless seaman's face clean off.
You got me. Interesting that Tower has arived at 1.75 of them, whatever they are. I
assume it is standing horsepower in the interest of comparisons, else it would be meaningless.