[Alberg30] 2 blade prop

Mary & Bill Mahony mabwjm at starpower.net
Thu Apr 10 14:53:20 PDT 2003


Kevin--Curious, because I'm pondering this myself.  When you say noticeably
better, could you elaborate?  I've read the 3-blade makes a difference
particularly in regards to backing--do you find this to be the case?

Thanks for your time,

Bill
#276 "Mary Ann"


----- Original Message -----
From: "Kevin Blanc" <t.k.blanc at att.net>
To: "Alberg 30 public list" <public-list at alberg30.org>
Sent: Thursday, April 10, 2003 5:14 PM
Subject: Re: [Alberg30] 2 blade prop


> George, in my opinion, it's better with a three-blade. Not a panacea,
> but noticeably better.
>
> George Dinwiddie wrote:
>
> > Yves,
> >
> > I would keep the old 2 blade.  In fact, I've done so.  The fact is,
> > when in reverse you've effectively got a large fixed rudder and a
> > small moveable keel, because the waterflow is reversed.  No prop is
> > going to change that.  Instead, you should learn how to use what
> > you've got.
> >
> > To make the boat turn well, you need water flowing past the rudder,
> > and that means the boat has to be moving.  Going forward, you can
> > motor slowly and the prop will add to the water flow.  In reverse, you
> > need to be moving faster, so give it a good jolt of gas.
> >
> > Then, you don't want to be going too fast, so shift to neutral and let
> > the boat's momentum carry you.  In fact, I like to give a smaller
> > burst of forward, but not enough to slow the boat down.  It seems to
> > help the waterflow across the rudder.
> >
> > It works, but because of the prop walk, you'll find the boat wants to
> > turn in one direction (bow to starboard, stern to port).  Use that,
> > and choose to turn that way, even if you have to turn further.
> >
> >  - George
> >
> > Yves Parenteau wrote:
> >
> >> I'm a first time boat owner and just wondering if I should replace the
2
> >> blade prop for a 3 blade right away before the boat hits the water.
> >> It's a
> >> $600 dollars expense I could do without right now. any comments
> >> please( I
> >> concern about reverse capabilities )
> >
> >
>
>
>  +---------------------------------------------------------------+
>  |                This Old Boat by Don Casey                     |
>  | http://www.amazon.com/exec/obidos/ASIN/0071579931/alberg30-20 |
>  +---------------------------------------------------------------+
>
> Public-list mailing list -- Public-list at alberg30.org
> http://www.alberg30.org/mailman/listinfo/public-list
> To unsubscribe: email to Public-list-request at alberg30.org
> Include command "unsubscribe <password>" in subject or body.
> Use command "help" for more options.

 +---------------------------------------------------------------+
 |                This Old Boat by Don Casey                     |
 | http://www.amazon.com/exec/obidos/ASIN/0071579931/alberg30-20 |
 +---------------------------------------------------------------+

Public-list mailing list -- Public-list at alberg30.org
http://www.alberg30.org/mailman/listinfo/public-list
To unsubscribe: email to Public-list-request at alberg30.org
Include command "unsubscribe <password>" in subject or body.
Use command "help" for more options.

 1050011600.0


More information about the Public-List mailing list