Don't know if anyone already has this but thought it was worth posting anyway, "Prop n Speed systems 2005" Swedish / English found on a Torrent site (virus free)
It is in excel format and you need to enable macros when opening,
use additional tabs at the bottom for all calculators
460kb ..need to unzip / rar
http://www.mybayliner.co.uk/boatmad/propnn.rar