Lots of fast boats have a flat bottom from the keel forward.....I made a
short delivery (40 miles) on a J44 in heavy winds and seas on the
'nose'......the boat pounded on every wave it hit.
I don't think the the 34R is any different.....the same thing happened
on a delivery from Port Hawkesbury to Halifax with the wind and waves on
the nose.....that front flat section of the bottom does not push the
water away in those conditions.....at least it didn't for us.....both
sailing and motoring. So I am not sure what Rob Ball means when he says
"it wouldn't slam when sailing, or when heeled because the hull has a
vee on either side of the flat, so it acts like a keel when heeled. "
We did a lot of spin runs racing the 34R.....the fastest I can recall we
got the boat going was about 10.2 knots on the GPS and that was with a
3/4 oz. chute in about 25 knts true.
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2014/11/03 8:01 PM, Chuck S via CnC-List wrote:
I once asked Rob Ball about that flat area of my 34R, because it would
slam when crossing a wave. He said that feature was proven to be fast
in IOR designs and even though the 1990 34/36R, 34/36+, 34/36XL series
was designed for IMS, he incorporated it into this hull. He told me
it wouldn't slam when sailing, or when heeled because the hull has a
vee on either side of the flat, so it acts like a keel when heeled.
I've learned to avoid the slam by sailing more, or motorsailing, or
motoring thru chop or crossing waves at an angle. I've since seen
that flat section on many other brand racers.
The newest racing sailboat designs (like C&C 30 and Redline 41)
however have eliptical cross sections, like a canoe, bow to stern.
Have you seen the chines on the Volvo Ocean 65's this year?
Chuck
Resolute
1990 C&C 34R
Broad Creek, Magothy River, Md
------------------------------------------------------------------------
*From: *"CNC boat owners, cnc-list" <cnc-list@cnc-list.com>
*To: *"Robert Abbott" <robertabb...@eastlink.ca>
*Cc: *"CNC boat owners, cnc-list" <cnc-list@cnc-list.com>
*Sent: *Monday, November 3, 2014 5:16:04 PM
*Subject: *Re: Stus-List Surfing hulls
HI, I meant the STEM.. so yes, between keel and the pointy end :-)
Regards
Francois Rivard
1990 34+ "Take Five"
Lake Lanier, Georgia
Inactive hide details for Robert Abbott ---11/03/2014 05:05:13 PM---We
raced a 34R extensively......I recall the hull on this oRobert Abbott
---11/03/2014 05:05:13 PM---We raced a 34R extensively......I recall
the hull on this one to be flat from the leading edge of k
From: Robert Abbott <robertabb...@eastlink.ca>
To: Jean-Francois J Rivard/Atlanta/IBM@IBMUS, cnc-list@cnc-list.com
Date: 11/03/2014 05:05 PM
Subject: Surfing hulls
------------------------------------------------------------------------
We raced a 34R extensively......I recall the hull on this one to be
flat from the leading edge of keel forward to the bow.......not from
the keel back to the stern.
I don't ever recall getting this 34R to surf.....now we rarely wound
this boat up to its full potential unless we had a John Roy on board
for a race and even then I don't recall surfing.
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2014/11/03 12:21 PM, Jean-Francois J Rivard via CnC-List wrote:
The Rob Ball designed 34+ / XL / R series have a flat surface on
the bottom between the leading edge of the keel and the stem. The
folklore says it's supposed to be a planing section to help
support nose when running the Spin and keep the bow from
"diggin'in" / surf the backside of bigger waves.. The waves on
the lake are not big enough to surf / my spin is not quite ready
yet. I can't speak from experience.
Perhaps Chuck S can comment on his experience with his 34 R
surfing waves off the coast of Atlantic City?
I did miss an opportunity to test the fast stuff this saturday,
winds were in excess of 30 knots and the weather was gorgeous. I
did not have a crew so I watched-it from the dock as I was doing
some needed topsides and decks cleaning / waxing..
-Francois Rivard
1990 34+ "Take Five"
Lake Lanier, Georgia
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