Here is a thread on folding vs feathering props FWIW: http://www.cruisersforum.com/forums/f47/folding-versus-feathering-props-88322.html
On Thu, Sep 6, 2012 at 8:44 PM, Dennis C. <[email protected]> wrote: > Bob, > > If the coupling is fairly accessible, it's not a big deal. My coupling > have a very visible white mark on it for when the blades are horizontal > (pivot pin vertical). I marked it when the boat was hauled. I jump down > into the cockpit locker, the helms person puts the tranny in neutral, I > spin the coupling to align the mark and yell "made". The helms person puts > the tranny in reverse, I exit the locker and finish my beer. Done. > > Dennis C. > Touche' 35-1 #83 > Mandeville, LA > > ------------------------------ > *From:* Bob Moriarty <[email protected]> > *To:* cnc-list <[email protected]> > *Sent:* Thursday, September 6, 2012 6:24 PM > > *Subject:* Re: Stus-List Martec Folding Prop Operation > > So, if the shaft does not get locked in a position with the folded > blades vertically aligned (the proper orientation) it's possible for > the lower blade to "droop" and create some drag in low hull speed > conditions. Worst case would have the shaft locked with the blades > aligned horizontally. > However, the drag problem is minimized or eliminated at higher speeds > (3 knots, 4 knots?), regardless of prop orientation. > > I liked the rubberband solution. Maybe a PVC concoction could keep > everyone dry. > > > If the shaft does not get oriented properly, do the blades produce a > > horrible drag, or just a "not quite minimal" drag? > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > -- Joel 301 541 8551
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