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Old 30-05-2007, 05:00   #1
ran
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Join Date: May 2007
Posts: 4
Featuring props

Hi
I own Beneteau 393 and consider replacing my prop to a folding or feathering one, I was looking on Auroprop, Kiwis prop, anybody saw any reaserch or comperision between the diferent props?
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Old 30-05-2007, 06:43   #2
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Location: Toronto
Boat: CS36Merlin, "La Belle Aurore"
Posts: 7,557
Ran,

This topic has been discussed extensively in the 393 newsgroup. Autoprop, maxprop, Kiwi prop and Gori. There are 92 messages dealing with this subject. You might find your answer there. Below is an example:


> I wouldn't get to concerned about it.
> 1. My autoprop propeller has (only when motoring) a large
advantage
> over the MaxProp. The self pitching feature on the autoprop brings
a
> large boost of efficient, I recall claims of 20%. While that does
> not translate into a full 20% faster at the same RPM, especially
not
> at the highest boat speeds, I would expect I would require fewer
RPM
> to achieve the same boat speed. Looking at your numbers my boat is
> 16% faster at the same RPM, which is certainly in the ballpark.
>
> 2. There are lots of other variables between our boats. Even for
> myself, I get different results now. For some reason my boat is
now
> even faster at the lower RPM's than it was originally (I have a
> problem where I cannot get the speed down to 5, looking into
> throttle control adjustments ), yet my top speed has been reduced.
> (no surprise my top speed is lower, after bringing over 800 pounds
> of stuff onto the boat since I bought her)
>
beneteau393 : Beneteau393 Group
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Old 30-05-2007, 07:44   #3
ran
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Thanks Rick
I registered to the 393 group, but I can't find these 92 messages, can you explain me where do I find them?
Thanks Ran
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Old 30-05-2007, 08:42   #4
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Boat: CS36Merlin, "La Belle Aurore"
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Ran,

At the home page, click on "messages" at the left. When this page come up there's a search function at the top. Type in Autoprop and a bunch of messages will appear. If you have problems leave a message at the site. Due to a lot of spam new members have to be approved to post. If you leave a message I'll approve you and you'll have the same access as all members.
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Old 30-05-2007, 09:03   #5
ran
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Thanks it's working
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