[C320-list] Reversing can be easier

Chris Burti clburti at gmail.com
Wed Jun 25 10:57:56 PDT 2008


Trick question?

On Wed, Jun 25, 2008 at 1:39 PM, <Orlando.Duran at averydennison.com> wrote:

> A lot...
> ----------------------------------
> Regards,
> OD
>
> Sent from my BlackBerry Wireless Handheld
>
>
> ----- Original Message -----
> From: Len [aqua5len at gmail.com]
> Sent: 06/25/2008 10:36 AM
> To: C320-List at catalina320.com
> Subject: Re: [C320-list] Reversing can be easier
>
> Exactly how much increase (over 3-blade fixed) in "speed under sail" do you
> get with folding/feathering prop in, say, 10 to 12 knot wind on 60 degree
> reach or beam reach?
>
> Len
> AQUA5   #1070
>
> On Wed, Jun 25, 2008 at 7:44 AM, <Orlando.Duran at averydennison.com> wrote:
>
> > I never had any issues with the 3-bladed prop relative to performance or
> > 'prop-walk'--it always worked extremely well.
> >
> > I just hated the fact that I had to give up 1kn+ under sail to get that
> > performance...it is a sailboat after all...
> >
> > Admittedly, in So Cal we never have to worry about currents, cross-winds
> in
> > the marina (all slips are oriented upwind and downwind), winterizing :),
> etc
> >
> > I just didn't see the benefit of the prop vs losing speed under sail.
> >
> > On my 440 I installed a 3-bladed Flex-o-Fold prop and love it...although
> > not self-pitching in reverse, it works great and of course, under sail,
> no
> > performance problems
> > ----------------------------------
> > Regards,
> > OD
> >
> > Sent from my BlackBerry Wireless Handheld
> >
> >
> > ----- Original Message -----
> > From:  [crashley at gte.net]
> > Sent: 06/25/2008 07:36 AM
> > To: <C320-List at Catalina320.com>
> > Subject: Re: [C320-list] Reversing can be easier
> >
> > Orlando,
> >
> > That's odd. I found that stopping (and reversing) was a chore with the
> > factory 3 blade fixed prop and was much better with the Autostream
> > feathering prop I installed a couple years ago. It has independently
> > adjustable fwd and rev pitch, although I've never had to change the
> settings
> > that it came with.
> >
> > CRA
> > Rosebud #882
> >
> >
> > ----- Original Message ----- From: <Orlando.Duran at AveryDennison.com>
> > To: "C320-List" <C320-List at Catalina320.com>
> > Sent: Wednesday, June 18, 2008 8:44 PM
> > Subject: Re: [C320-list] Reversing can be easier
> >
> >
> > Of course you knew I had to chime in on this... :)
> >
> > When I bought cl 3 #112 it came with the 3-bladed  prop--lots of prop
> > walk--ALL props, no matter what, have prop walk, fluid dynamics and all--
> >  but I learned that that's not bad thing at all, I used it lots of times
> to
> > get out of slips without a lot of room, etc. Once you understand the
> amount
> > of 'walk' your prop has, you learn to use it and not complain about. In
> > reverse, when going forward, it was like having power brakes, it would
> stop
> > the boat RIGHT NOW...
> >
> > 3 years later, I purchased (from this list by the way) a Martec 2-blade
> > folding prop, less prop walk--again not always a good thing--and it took
> a
> > bit of getting used to not having as much stopping power in reverse.
> >
> > My point in this is that you simply need to get used to your particular
> > prop and take advantage of it's advantages and disadvantages...
> >
> > Oh yeah, dumping that 3-bladed prop was the best thing ever for boat
> speed
> > under sail, getting rid of that 3-bladed anchor..er, prop, made that boat
> > competitive....
> > ----------------------------------
> > Regards,
> > OD
> >
> > Sent from my BlackBerry Wireless Handheld
> >
> >
> > ----- Original Message -----
> > From: "Chris Burti" [clburti at gmail.com]
> > Sent: 06/18/2008 08:12 PM
> > To: C320-List at catalina320.com
> > Subject: Re: [C320-list] Reversing can be easier
> >
> > I respectfully disagree that 320's exhibit significant prop walk with a
> > factory prop. I attribute most of the backing problems that I've observed
> > to
> > poor technique. I've been backing our 320 into slips everywhere we go in
> > all
> > wind conditions for five years with little or no problems. We have a
> > factory
> > three bladed prop that works fine as long as I don't let the barnacles
> get
> > growing on it. Our approach fairway is less than 60' wide and that is
> > adequate to get control in reverse. the only time I see any evidence of
> > significant swinging of the stern from the prop is if the water is thin
> the
> > keel is dragging and I 'm fighting a cross wind.
> >
> > Seriously, if you want to experience prop walk at its worst, get out on a
> > full keel sailboat with the prop in the rudder aperture or try backing a
> > single screw inboard ski boat. After that experience I suspect that
> you'll
> > never complain bout a fin keel boat again.
> >
> > On Wed, Jun 18, 2008 at 6:29 PM, Bruce Stanley <brucestanley36 at gmail.com
> >
> > wrote:
> >
> >  Robert Seastream writes about poor Reversing.
> >> My circumstances mean that I must reverse into a tight marine pen
> (slip).
> >> The Kiwi Feathering Prop really does deliver positive and immediate
> >> thrust,
> >> with little or no Prop walk.
> >> I am sure there are other props that do this too, but not a factory
> fitted
> >> fixed 3 blader.
> >> Cheers
> >> Bruce Stanley
> >> Sydney
> >>
> >>
> >> -----Original Message-----
> >> On Wed, Jun 18, 2008 at 10:39 PM, Robert Seastream <
> >> robert.seastream at comcast.net> wrote:
> >>
> >> > Backing at all (let alone straight) is something I simply can't get my
> >> boat
> >> > to do, so I don't rely on it as part of the docking process.
> >> > I've told my wife that when docking, if we miss we'll simply circle
> and
> >> try
> >> > again, since we have little/no effective reverse/braking power.
> >> >
> >> > Bob
> >> >
> >> >
> >>
> >>
> >
> >
> > --
> > Chris Burti
> > Farmville, NC
> >
> > - -----------------------------------------------------------------
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-- 
Chris Burti
Farmville, NC



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