[C320-list] Transmission ratio

[Jeff Hare]

Interestingly, it seems to depend...  I check or replace mine every
year.

Some people get several years out of an impeller.

One year I went to replace the impeller like I normally do, and it was
near perfect condition.  No signs of losing flexibility, so I left it.

On most other years, I've found the impeller material seems more brittle
and started to crack after the season, so I just replaced it in the
spring.

I'm beginning to wonder if there isn't a difference in the materials
they use, because my cruising grounds haven't changed.  This could begin
to explain why experiences on this vary so widely...  Also, maybe
gritty/silty water plays a role here too.

-Jeff

-----Original Message-----
From: C320-List-bounces at catalina320.com
[mailto:C320-List-bounces at catalina320.com] On Behalf Of John Van Vessem
Sent: Saturday, January 21, 2006 9:11 AM
To: C320-List
Subject: RE: Re: [C320-list] Transmission ratio

I change mine every year.  An ounce of prevention is worth a pound of
cure.
   
  John (Sojourn645)

jsail320 at cox.net wrote:
  Yikes, I change my impeller every year .... am I doing over kill??/
The old one never looks bad but I felt it was safer to change it often.

John
s/v Lady K
> 
> From: "Richard A. Walker" 
> Date: 2006/01/08 Sun PM 08:56:26 EST
> To: ,
> "'C320-List'" 
> Subject: RE: Re: [C320-list] Transmission ratio
> 
> It does not matter just so you have the correct raw water impeller as 
> a spare and change it every 3 years.
> 
> Cheers,
> 
> Dick Walker
> C-320 (687) WindWalker II
> 740 Olive Ave.
> Coronado, CA 92118-2136
> 619.435.8986
> 
> -----Original Message-----
> From: C320-List-bounces at catalina320.com 
> [mailto:C320-List-bounces at catalina320.com] On Behalf Of Karl 
> Mielenhausen
> _/)
> Sent: Sunday, January 08, 2006 5:35 PM
> To: C320-List at catalina320.com
> Subject: FW: Re: [C320-list] Transmission ratio
> 
> I'm fairly sure I have the Japanese version... Made in Japan 
> nameplate, no E preceding the s/n, takes the Japanese spare parts.
> 
> Fellow owner at my marina has hull #702 with a Euro engine, so go
figure.
> Perhaps the factory was using dual sourcing or perhaps they found mine

> hidden in the back of the stockroom!!
> 
> Any opinion on which source is better, or does it not matter?
> 
> 
> 
> Karl Mielenhausen
> 
> 2000 C320 Hull#690 "Silver Lining"
> 
> New Bern, NC
> 
> _______________________________________________
> 
> 
> 
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John Van Vessem
Sojourn 645
Vallejo Yacht Club
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