[C38] Fixed Prop Spec's

Wed Jun 7 12:05:34 EDT 2017

I think there is a little confusion regarding pitch.  There are two ways 
to measure it.  One (which I think Max is discussing) is degrees of 
pitch.  The other is how many inches of water is pushed past the prop 
per revolution.  A 14 inch pitch translates to 26 degrees on a 15 inch prop.

This is from PYI:

And there is one advantage living where the water gets hard in the 
winter!  Our boats come out every year to sit in a cradle that allows us 
to tend to bottom paint and adjust the prop!  There is the down side of 
course in that we don't get to sail during this time....

Chuck

On 6/6/2017 11:25 PM, Steve Smolinske wrote:
>
> Max, looked on my notes and PYI suggested 18 pitch as well on my 15” 
> prop.
>
> *From:*Listserve [mailto:listserve-bounces at catalina38.org] *On Behalf 
> Of *Charles Finn
> *Sent:* Tuesday, June 06, 2017 5:15 PM
> *To:* Catalina 38 Listserve; Max Soto
> *Subject:* Re: [C38] Fixed Prop Spec's
>
> Max,
>
> 2.83 ratio.  I went with the classic and the pitch was from PYI.  I 
> will do a full report in July when I finally get my boat in the water!
>
> Chuck
>
> On 6/6/2017 7:06 PM, Max Soto wrote:
>
>
>     Chuck, what's your transmission ratio??
>
>     Mine is 2.61:1, and I'm using a 16x15 Max Prop Easy, and I think
>     that I could be using 18 pitch, which is what Michigan Prop
>     suggested.
>
>
>     Max Soto A.
>
>     +506-8312-1367
>
>
>     On Jun 6, 2017, at 12:26, Steve Smolinske
>     <SSmolinske at rainierrubber.com
>     <mailto:SSmolinske at rainierrubber.com>> wrote:
>
>         3 blade,
>
>         *From:*Listserve [mailto:listserve-bounces at catalina38.org] *On
>         Behalf Of *Ray Torok
>         *Sent:* Tuesday, June 06, 2017 11:18 AM
>         *To:* Catalina 38 Listserve
>         *Subject:* Re: [C38] Fixed Prop Spec's
>
>         Steve,
>
>         Is your Max Prop 2-blade or 3-blade?
>
>         Thanks,
>
>         Ray
>
>         Thira #37
>
>         SF Bay
>
>         On Tue, Jun 6, 2017 at 10:46 AM, Steve Smolinske
>         <SSmolinske at rainierrubber.com
>         <mailto:SSmolinske at rainierrubber.com>> wrote:
>
>         Larry I loved my PYI feathering Max Prop,  So So very smooth,
>         always switched it from my martec at the end of the racing
>         season and start of the cruising season, great in reverse
>         too.   15″D x 13″P is what the site lists for the fixed prop.
>
>         *From:*Listserve [mailto:listserve-bounces at catalina38.org
>         <mailto:listserve-bounces at catalina38.org>] *On Behalf Of
>         *Larry Malmberg
>         *Sent:* Tuesday, June 06, 2017 10:39 AM
>         *To:* 'Catalina 38 Listserve'
>         *Subject:* [C38] Fixed Prop Spec's
>
>         Hi all, long time posting here.  My Martec prop has died and
>         since I think we are going to go to a cruising class for
>         racing I need to find a prop.  Any suggestions?  Also I need
>         the spec’s for a fixed prop for our Catalina 38’s, can anyone
>         send me this info?  If you have a used one or a used folding
>         prop for sale let me know too.  Thanks in advance.
>
>         Larry Malmberg
>
>         909-208-1847 <tel:%28909%29%20208-1847>
>
>         Coffe är den bästa drycken i världen
>
>         Life is not a journey to the grave with the intention of
>         arriving safely in a pretty and well preserved body, but
>         rather to skid in broadside, thoroughly used up, totally worn
>         out, and loudly proclaiming; "WOW-- What a Ride!"
>
>
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