[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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>>
>>
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>
>
>
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