[C38] three blade fixed propeller

Kerry Grimes littlebreeze at comcast.net
Tue Oct 25 21:15:33 EDT 2005


empty wrote:
> I have been happy with my 14x12 3 bladed bronze prop fitted in 2004.
> Unfortunately I don't know who supplied it as it was sourced by Salt Creek
> Boat Works in St Pete, FL. who used it to replace the original 1981 prop of
> the same spec. Unfortunately I could not recommend SCBW, but that's a whole
> other long story.
> I usually trundle along at 6.5knots on 1800 rpm, although I can go faster
> this gives me my best mpg figures for long trips - about 0.7 gal per hour.
> The propwalk can be quite vicious, but now I've got used to it, and have
> adopted the same tactics as John Erlandson, it works fine, and is very
> useful for coming alongside port side to.
> Mark Turner, The Goose, hull# 80
> 
> ----- Original Message ----- 
> From: "Charles Finn" <charles at finn.ws>
> To: "Catalina 38 Listserve" <Listserve at catalina38.org>
> Sent: Thursday, October 13, 2005 2:38 AM
> Subject: Re: [C38] three blade fixed propeller
> 
> 
> 
>>Well, I pretty confused now!  Is anybody out there really happy with
>>their prop (assuming you still have the 5424 engine and drive train).
>>And if so, where/who would you rcocmmend buying this from?
>>Please note we are now running our own website and can post
>>gear/equipment recommendations.  We can also steer each other clear of
>>some of the bad deals there are out there....   This of course was not a
>>posibility while we were with Sailnet.
>>
>>Charles Finn
>>Mighty Quiinn #114
>>Burlinton, VT
>>
>>Philip Gay wrote:
>>
>>
>>>I commented before about my experience with my Yanmar 3GM30, but will
>>>repeat.  My engine is rated at 27hp max at 3600rpm but 24hp continuous
>>>at 3600rpm.  Its displacement is 1 litre.
>>>
>>>I was overpropped with my folding Martec and could do 6.8 kts at
>>>2800rpm, but I burned oil like crazy on a 100 hour old engine.  I
>>>could do about 7 knts at 3600rpm.  I repropped with a 3 blade Maxprop
>>>and now do only 6.2 kts at 2800 rpm but can get close to 7.5 knts at
>>>3600 rpm.  I have more potential speed but cruise slower.
>>>
>>>However, let 2 months of slime build up on the bottom, even with a
>>>clean prop, my cruise speed drops to 5.7 knots.
>>>
>>>BTW, I bought the Maxprop for better reverse power and hoped less prop
>>>walk.  Well it gives much better reverse power AND much more prop
>>>walk.  I believe the only way to get away from prop walk is to go to a
>>>Saildrive.
>>>
>>>Phil Gay
>>>C38 049 Que Linda
>>>Everett, WA
>>>
>>>    ----- Original Message -----
>>>    *From:* Rich West <mailto:rw at idea-asylum.com>
>>>    *To:* Catalina 38 Listserve <mailto:Listserve at catalina38.org>
>>>    *Sent:* Monday, October 10, 2005 7:34 PM
>>>    *Subject:* Re: [C38] three blade fixed propeller
>>>
>>>    I have experienced more prop walk in reverse with a two bladed prop.
>>>
>>>    Wow, I wish I made the speed some of you make.  I just repowered
>>>    with a
>>>    Yanmar 3YM30 and I get about 6 knots at 3000 (it's a  3600 RPM
>>>    engine).  I
>>>    make about 5.5 at 2600.  I get about the same speed as I did with
>>>    my old
>>>    Universal M35 (although at lower RPM for the universal).  I think
> 
> I'm
> 
>>>    burning less fuel, but not by too much.  My boat is WAY
>>>    overweight.  I guess
>>>    that accounts for some of the speed difference.
>>>
>>>    It's sure nice to have this listserve back - THANK YOU!
>>>
>>>    Rich, Legacy #360
>>>
>>>    P.S. My old Universal is still for sale!  $1500.
>>>    http://www.idea-asylum.com/univ/index.html - yea, it says $1800,
>>>    but I'm
>>>    more anxious now.
>>>
>>>
>>>
>>>
>>>    -----Original Message-----
>>>    From: Listserve-bounces at catalina38.org
>>>    <mailto:Listserve-bounces at catalina38.org>
>>>    [mailto:Listserve-bounces at catalina38.org]On Behalf Of Jim and
> 
> Barbara
> 
>>>    Sent: Monday, October 10, 2005 6:00 PM
>>>    To: 'Catalina 38 Listserve'
>>>    Subject: Re: [C38] three blade fixed propeller
>>>
>>>
>>>    Chapman's has a good discussion of prop walk.  Primary cause is
>>>    the angled
>>>    shaft; I'm not sure that the prop makes much difference.  Our boat
>>>    makes 6+
>>>    knots at 2000 rpm with a 2-blade folding prop.
>>>
>>>    Jim Williams
>>>    C38 #180
>>>    Checks in the Mail
>>>    Norfolk, VA
>>>
>>>    -----Original Message-----
>>>    From: Listserve-bounces at catalina38.org
>>>    <mailto:Listserve-bounces at catalina38.org>
>>>    [mailto:Listserve-bounces at catalina38.org] On Behalf Of Charles Finn
>>>    Sent: Monday, October 10, 2005 7:31 PM
>>>    To: Catalina 38 Listserve
>>>    Subject: Re: [C38] three blade fixed propeller
>>>
>>>    The Mighty Quinn makes 5.5 kts at 2400 rpm with a two blade fixed
>>>    prop (by
>>>    both of my GPS gadgets).  My old Signet guages regularly told me
>>>    something
>>>    higher and my Navman units calibrated out of the box agree with my
>>>    GPS.
>>>    BTW, the bottom paint was new last year and I am in fresh water
>>>    with almost
>>>    no bottom growth.
>>>    I am thinking of going to a 3 blade prop because I have heard it
>>>    will reduce
>>>    "prop walk."  Is that true?
>>>
>>>    Thanks,
>>>    Charles Finn
>>>    Mighty Quinn  #114
>>>    Lake Champlain
>>>    Burlington, Vt.
>>>
>>>    empty wrote:
>>>
>>>    >That's in a calm no wind sea (which, of course, is the only time we
>>>    >sailors use the engine ), but I bet you sail faster than me!!!!!!
> 
> The
> 
>>>    >strength of the stern kick in reverse took a little getting used
>>>    to. I
>>>    >believe that is not much of a problem with the folding prop.
>>>    >
>>>    >Mark The Goose hull #80
>>>    >----- Original Message -----
>>>    >From: "Duff, Russ (R.W.)" <rduff at visteon.com
>>>    <mailto:rduff at visteon.com>>
>>>    >To: "'Catalina 38 Listserve'" <Listserve at catalina38.org
>>>    <mailto:Listserve at catalina38.org>>
>>>    >Sent: Monday, October 10, 2005 7:25 PM
>>>    >Subject: Re: [C38] three blade fixed propeller
>>>    >
>>>    >
>>>    >
>>>    >
>>>    >>Wow!  6.5 knots at 1800 rpm?!  I'm lucky if I get 5.5 knots at
>>>    2500rpm
>>>    >>
>>>    >>
>>>    >with
>>>    >
>>>    >
>>>    >>my feathering prop.
>>>    >>
>>>    >>Sincerely,
>>>    >>Russ Duff
>>>    >>Catalina 38, Hull #112
>>>    >>"AVANTURA"
>>>    >>Lake Erie
>>>    >>Grosse Ile, Michigan
>>>    >>RDUFF AT VISTEON DOT COM
>>>    >>
>>>    >>
>>>    >>
>>>    >>
>>>    >>
>>>    >>-----Original Message-----
>>>    >>From: Listserve-bounces at catalina38.org
>>>    <mailto:Listserve-bounces at catalina38.org>
>>>    >>[mailto:Listserve-bounces at catalina38.org] On Behalf Of empty
>>>    >>Sent: Monday, October 10, 2005 2:14 PM
>>>    >>To: Catalina 38 Listserve
>>>    >>Subject: Re: [C38] three blade fixed propeller
>>>    >>
>>>    >>
>>>    >>Hi Max,
>>>    >>The Goose has a bronze 14 x 12 fixed three blade prop installed
>>>    in 2004.
>>>    >>Pushes her along fine at 6.5 knots at 1800rpm on her original
>>>    >>Universal
>>>    >>
>>>    >>
>>>    >for
>>>    >
>>>    >
>>>    >>hour after hour. best wishes. Mark
>>>    >>----- Original Message -----
>>>    >>From: "Max Soto" <maxsoto at hotmail.com
> 
> <mailto:maxsoto at hotmail.com>>
> 
>>>    >>To: <Listserve at catalina38.org <mailto:Listserve at catalina38.org>>
>>>    >>Sent: Monday, October 10, 2005 6:55 PM
>>>    >>Subject: [C38] three blade fixed propeller
>>>    >>
>>>    >>
>>>    >>
>>>    >>
>>>    >>>Hi everybody,
>>>    >>>
>>>    >>>I'm plannig on buying a spare propeller for the Estancia. I
>>>    have the
>>>    >>>original 5424 with the original fixed two blade 15"x13"
>>>    (according to
>>>    >>>the 38org. specs.). I remember that there was some mails a few
>>>    months
>>>    >>>ago about Martec and
>>>    >>>
>>>    >>>
>>>    >>some
>>>    >>
>>>    >>
>>>    >>>other folding propeller, but none about fixed ones.
>>>    >>>
>>>    >>>I read that a fixed three blade was an option from Catalina. Do
> 
> any
> 
>>>    >>>of you know what's the three blade propeller number for this boat
>>>    >>>with this engine????
>>>    >>>
>>>    >>>I'll really appreciate youy help.
>>>    >>>
>>>    >>>Max Soto
>>>    >>>C38 #198 ESTANCIA
>>>    >>>Puntarenas, Costa Rica
>>>    >>>
>>>    >>>_________________________________________________________________
>>>    >>>Express yourself instantly with MSN Messenger! Download today
> 
> it's
> 
>>>    >>>FREE!
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>>>    >>>
>>>    >>>
>>>    >>>_______________________________________________
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>>>    >>>
>>>    >>>
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>>>    >
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>>
>>
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> 
> 
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Is this list still working???? Or has it gone the way of Sail net?





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