For those with great sums of money cluttering up the floor! I thought this was a neat sounding gadget and since the pocket dyno seems to be popular, I thought this would be interesting to share.
http://www.land-and-sea.com/rotary-shaft-dyno/rotary-shaft-dyno.htm
http://www.land-and-sea.com/rotary-shaft-dyno/rotary-shaft-dyno.htm