General Category - Pearson Owners and Enthusiasts > General Discussion

Where is everybody?

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Dolce_Vita:
No activity here in two weeks!  Thought I'd try a post just to see if the forum is still working!

selene:
Well, been busy sailing! 

Just installed a max-prop; expensive, but very nice.  Getting some noise at low RPMs, possibly cavitation, may have to change the pitch.  I hope not.  it is a 15x9; and while the pitch can be changed underwater it's a tedious job, especially with the poor visibility we have in the South SF Bay.

In other news, ordered a new boom vang from Garhauer.  Just arrived.  looks mighty pretty, but is 60" long; the angle it makes to the boom is around 25 degrees (optimal is 37.5), can't see it pulling the boom down at that shallow angle, so I dropped them a little note about it.  Also the plate fixing it to the boom is too small - screw are only 1/2" off the centerline - so all the force would be taken on the threads. Bad mojo.  Boat nearby had the vang tear out due to a similar issue - so that'll have to be reworked too. <sigh>

On a more positive note, the "blade" I made from a sailrite kit has worked well in the heavy wind season - it is about 85%, and works a treat when the winds are 25+. Long may my shaky seams last.

Finally, we won a race a few weeks ago!  Yay!  Key was the fact it was mainly broad/beam reaching; if we need to beat we get beat.  Perhaps the max-prop will help that, even though it drops the PHRF. We'll see.

Oh boy do I have a long list to work on over winter!!

Bill1188:
Spent the weekend on mine, with sleet coming down overnight Friday. I have a couple of posts out there hoping to get answers on. I too thought Mayberry everyone got rid of their 323.

rkfitz:
It is easier to post in the winter, although I do pop in once or twice a month during the season. I'd love to hear the final results on the max prop, what affect on both motoring and sailing.

selene:
Under power is easy. Under sail is more difficult to measure. Measurements are for a Westerbeke 30B3 diesel:

Fixed 3-blade (13x9 1/2):
RPM            Speed (knots)
1500            2.5
2000            3.4
2200            3.8
2400            4.4
2600            4.8
2800            5.0
3000            5.4
 
Feathering 3-blade (15x9)
RPM            Speed (knots)
1500            3.9
2000            5.2
2200            5.5
2400            5.9
2600            6.4
2800            6.6
3000            6.8

Gotta be careful coming into the slip; tending to come in too fast nowadays... ;)
 

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