I fitted a new 13” x 11” 2 blade flexofold to my C&C 26 this winter.

Went for my first sail this season (late launch - ‘nother story!)

I think I have more power in forward and reverse with the flexofold than I had 
with the 3 blade fixed.

I don’t really notice any prop walk problems; there is slightly more vibration, 
but not anything to get concerned about.

Speed under sail (light winds Saturday - 6 to 8 knots) was much better (I 
suspect 1/2 to 1 knot better, but I can’t tell for certain as I forgot the 
speed puck, so can’t say for sure)






sam :-)


C&C 26 Liquorice

Ghost Lake  Alberta



From: Sébastien Lemieux via CnC-List
Sent: ‎Tuesday‎, ‎July‎ ‎08‎, ‎2014 ‎9‎:‎28‎ ‎AM
To: 'Jean-Francois J Rivard', Sébastien Lemieux via CnC-List






That just got me even more excited to get her in the water. She just looks 
fast. I sanded the bottom well but did not remove all the old paint so I think 
it is pretty clean but certainly not burnished. Next year I think I will really 
go through the boat below the waterline and make sure the bottom is smooth. 
Glad to hear the prop seemed to make such a big difference. You are right. 
Beating the bigger faster guys is always satisfying. My boat is set up for 
racing so I am very curious to see how she goes. Sounds like you might have 
been running right up to hull speed. Nice! 

 



From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of 
Jean-Francois J Rivard via CnC-List
Sent: Tuesday, July 08, 2014 11:08 AM
To: cnc-list@cnc-list.com
Subject: Stus-List Folding prop

 

Hi Skip, 

I just put-on an old school Martec folder and I love it.  Combined with a clean 
bottom  (But old sails) and a few tweaks the boat just flies. I was out in 
15-22 true wind breeze last week and detroyed my old 7.0 knots record with a 
whopping 8.3 (GPS Calibrated) knots sailing close hauled.. On the way home 
cruisin' on an easy beam  / broad reach we were still cookin' along 7.0 to 8.2 
knots all the way..  

In less exciting winds this saturday,, We were making 6.0+ knots on  8.0 knots 
of true wind,,  Long story short since I am into sailing.. I love it.  Even if 
you are not racing.. Isn't it nice the know the boat has an edge on speed and 
efficiency?  

As for actual motoring,,  The acceleration is pretty mild both in forward and 
reverse.  There's also a fair amount of prop walk in reverse.  Once under way 
it will make about 6.8 knots at cruising RPM's (2,850) on my 27 hp Yanmar.  So 
it's pretty efficient.  It also causes more vibrations than the fixed prop (I'm 
still working on that looking at prop  / hull clearance and perhaps fine tuning 
the pitch). 

As for manually lining-up the prop to make sure the blade are horizontal, 
that's a 30 second job my son is glad to do or I can do myself easily. 

For family's usage on our lake / at our marina, the slow reverse acceleration / 
prop walk is a total non-issue.  It just requires a little more advance 
planning and if you play your cards right the prop walk introduces an added 
dimension in your ability to control the stern / pivot the boat on it's own 
axis.  

I do however find that rippin' up and down the lake at "This can't be right" 
speeds blowing by bigger "Faster" boats is most satisfying.. 

To each his / her  own, have fun sailing this summer.

-Francois Rivard
1990 34+  "Take Five" 
Lake Lanier, Georgia
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