[C38] three blade fixed propeller

[Rob Cornelsen]

Wow 5.5 at 2500! I get 4.8 at 2500 - 5.4 at 2800
(REDLINE)with 2 bladed Martek folding prop and 2:1
reduction gear.

This spring I replaced my old Hurth gear box with a
new ZF Hurth transmission which is the exact match as
the original model with 2:1 reduction gear as per
Catalina38.org site.  At the time the sales rep stated
that 2:1 WAS NOT CORRECT SINCE I WAS ONLY MANUFACTURED
SINCE LAST YEAR. They recommended 1.79 gear since it
was marked with 2:1 on the old case.  Anyway I
purchased the 2.05 (Not Bright the propeler rotation
is now reduced to 87% of original).

Rob #223

Useful link
http://www.tadiesels.com/ZF_10_M.html 




--- "Duff, Russ (R.W.)" <rduff at visteon.com> wrote:

> 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] 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>
> To: <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
> >
> >
>
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> 
> 
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