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Consider a three-blade freathering Maxi. You get full power in reverse, which has saved us more than once in tight docking situations, especially if you are in a narrow creek with a strong tidal current running and you need to spin the boat in place in order to avoid a low fixed bridge.
Norris Larson on Easy Reach, #206
— On Wed, 9/17/08, kalinowski <> wrote:
Quote:<.. snip>Post generated from Pearson424 Forum using Mail2Forum
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I'm going throw in my two cents here. I've seen too many Max Props with problems caused by shifting at high rpms – which happens more often than you'd think. If you have a transmission that will survive rotation I recommend a fixed prop for the following reasons:
1. Full power ahead and astern.
2. Like a BB, it's nearly impossible to break
3. Complex mechanisms out of reach make me nervous
4. They're 1/4 the price.
That all said, I know many people won't agree who have had great success with MaxProps. I plan to use the prop rotation to generate electricity.
Bob
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Dan,
I don’t know what the wind is like in Hawaii, but here in the Northeast we get a lot of light air. Even when we get wind, it always seems to be from the direction I need to go. A fixed prop is like a sea-anchor under sail. A folding or feathering propeller will significantly improve your sailing qualities.You’ll get a lot of opinions on this. I put on a 3-blade Slipstream folding propeller a couple of years ago and like it. Under sail, it provides better efficiency than the fixed propeller; even better than a feathering propeller. I would guess that performance under power is similar to a fixed propeller but I can’t vouch for it since I replaced both the prop and engine at the same time. I can say that the boat runs great under power. A folding prop has the advantage of offering nothing to catch a pot-line when under sail. I get good power in reverse too. The prop is stainless as is the shaft. It is very well made. I paid about $2k for it.
As I’ve heard, a feathering prop offers better performance in reverse than either a fixed or folding prop and offers the advantage of providing pitch adjustment without having to rework the propeller. They are much more expensive than a folding propeller. The last time I looked, they run about $3500.
If you switch to either a folding or feathering propeller, you may need to remachine the taper and threads on your shaft. It may be a good time to think about replacing the shaft.
My notes are below
http://www.richardcarter.net/repower/Propeller.html—
Rich Carter
Original message
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This past winter I replaced my fixed prop with an 18×9 – 3 blade stainless steel Autostream feathering prop.
The pitch can be adjusted underwater without haulout. I plan to make it a 10 pitch this winter during haulout… I'm not quite hitting hull speed at max rpm..
I was unable to find a bad review of this brand or a negative comment from a current owner. In my area of the Chesapeake, there seem to be a lot of boats with MaxProps but I've heard they have a high rate of needing periodic reconditioning.
The Autostream cost less than the other feathering props… I paid right at $2600 which included a boat show discount.
I bought it from Jim Blanchard at H&H Propeller in Salem, Mass (hhprop.com) and the experience was totally positive. I highly recommend this prop shop.
I have increased sail speed by at least 0.75 knot. Just as important… I can actually back the boat up.
I also replaced the shaft and installed a dripless shaft seal.
She runs alot smoother and no saltwater water in the bilge.Rick
Eclipse #73On Wed, Sep 17, 2008 at 12:44 PM, kalinowski < ([email][/email])> wrote:
I will have to replace the prop on our 424 ketch some time in the near future (I guess the previous owner didn't keep up with the zincs). Does anyone have recommendations on a new prop?
Dan Kalinowski
S/V Lady Leanne II
HonoluluPost generated from Pearson424 Forum using Mail2Forum
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Don-
Assuming that both boats have the original engines, the 422 has a Westerbeke 58, and at hull #124, you probably have a Westerbeke 60. Clairebuoyant #132, has a three blade, fixed “sailor” prop, 18 x 12. With a clean bottom , it is about right, a little smoke at full throttle.
If you have a W-60, a bit more diameter is probably right. There is plenty of W-60 discussion on this site, and I defer to those who own a W-60.
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