about 18
www.kungfo0.org/theweb/ebay/carrier.html
( Moon Girl Technologies horrendous beanbag, Thu 11 Jun 2009, 15:30, archived)

"H.P.: 36,000 SHP"
Is that Sea Horse Power?
( Undulating Tentacles of Love getting fun down to acceptable levels, Thu 11 Jun 2009, 15:42, archived)

Shaft Horse Power, apparently.
I guess a ship doesn't have brakes.
( Moon Girl Technologies horrendous beanbag, Thu 11 Jun 2009, 15:46, archived)

John Shaft Horse!

( Undulating Tentacles of Love getting fun down to acceptable levels, Thu 11 Jun 2009, 15:56, archived)

Oh dear.

( Dave Trouser ; the people's choice - 75% agree, Thu 11 Jun 2009, 15:52, archived)