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 Catalina inboard prop/general question		  New Topic  Topic Locked
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dblitz
Navigator

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240 Posts
Initially Posted - 04/20/2012 :  17:11:25  Show Profile
So this question is specific to how my boat runs against strong current and wind. My boat has a prop that shows:
SAILER MICHIGAN 11 RH7 12/85 which, I think, from the date is original
The motor is a 10 hp/2 cylinder Universal diesel.
When the boat has to go against a strong current and wind, it doesn't make headway.
Last season, I tried increasing the revs from 2700, which is were I normally run it to 3000/3200 but that didn't help.
I'm wondering if others of you have this problem, how you have resolved it.
Daniel 86 "Solar Wind" #5339 C-25 FK/SR I/B Diesel
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hewebb
Admiral

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USA
761 Posts
Response Posted - 04/25/2012 :  04:22:17  Show Profile
I have had ours in 24 knot headwinds with 2 to 3 foot seas and it does fine. I would guess that your propeller is fouled. I keep mine clean, but it is easy because we take the boat out of the water often to sail in different lakes. 11 RH7, I think means 11 inch diameter, right turn - 7 inch pitch.
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 04/25/2012 :  05:55:53  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by dblitz</i>
<br />When the boat has to go against a strong current and wind, it doesn't make headway.<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

If your going against a strong current and wind, you are probably not going to make much headway no matter what prop you use. During part of a cruise, I was going against an up to four knot current with headwinds and motoring at around 5-5.5kts. It felt like I was standing still.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.