John - I'd measure mine for you only I'm separated from it by about 5 countries the English Channel and the Solent right now.

There is a thread on here somewhere where Wouter has worked out the relative dimensions of at least the Blade and the Viper, but buggered if I can find it, maybe if he reads this he will repost it.

Also - any history on this boat:
Stealth on Ebay
Is it one of the canoe bow versions or the later style?