[MHml] Winch vs Tackle

Ross Hobson r.s.hobson at newcastle.ac.uk
Mon Dec 10 03:12:54 EST 2007


Ross Hobson writes:
 >an alterantive is to increase bow volume by raising the height (as per
 >FX) of the bows so length remains the same

I doubt its usefulness. As your bows dig deeper so does your drag
increase. Slowing the boat down, resulting in ... pitchpole. Bill
Roberts RC-30 for a while had his bow height increased. Went back to
original height after a while. Other factors contributed to that
decision, but the benefit was not sufficiently great. On the other
hand, Playstation apparently benefitted from that mod.

FX had high bows and had a very progressive deacclareation as she buried them - there is probably a relationship between hull length, bow height and possibly hull rocker that needs exploring before making a final decison
 
I'll set Pete the 'tech wizz' on it - once he's finished his current tank study on foil position/movement 
 
Ross


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