Hello Roland,

If you go with the Beta 25 the best prop will be a 14"x9" three blade with 50% BAR (the Michigan Wheel MP3 or DJ355 seem to work well with my prop calc). I have worked on 2:1 transmission ratio. You should see 7.5Knots wide open and cruise comfortably at about 6 knots.

The optional alternator is 70 amp and this has a serpentine type belt. This alternator is internally regulated. There is an option of an external controller by Adverc and you can read about this here http://www.adverc.co.uk/news/welcome-to-the-new-adverc-bm-website

I would think that with the shape of your boats hull, you will need the high rise exhaust elbow to be able to make a safe exhaust system.

I suggest that you contact Ben Gartside at Beta Marine Canada. His contact info can be found here http://www.betamarinecanada.com/contactus.html

Cheers, Stanley

-- Edited by Stanley on Monday 3rd of October 2011 04:46:27 PM