With a standard 4.61 transmission ratio, I use a 17" Max Prop set to 10 pitch (18° blade angle). 2500 RPM gives me 6 knots in fairly smooth water.
Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC On 17 December 2017 at 16:21, ALAN BERGEN via CnC-List < [email protected]> wrote: > While motoring in forward gear, run the engine at full throttle. Your > engine should be able to reach maximum, or close to maximum rated rpm. If > not, your pitch is to high. If the engine runs much higher than maximum > rated rpm at full throttle, your pitch is too low. > > Alan Bergen > 35 Mk III Thirsty > Rose City YC > Portland, OR > > On Sun, Dec 17, 2017 at 2:18 PM, Bunky via CnC-List <[email protected] > > wrote: > >> Luna is a 1984 C&C 35 with a Yanmar 3gm30 engine. Does anyone know what >> the proper propeller pitch should be? She has an aftermarket Maxiprop, and >> based on engine performance, I believe the pitch may be set too high. >> >> Richard >> Luna, Lake Champlain, VT >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://urldefense.proofpoint >> .com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwICAg& >> c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQn >> rjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=SIgdw_VNv2aYuYBIiP9132yL5T >> f25-eb158mHK45k-4&s=veOqs6D_FOgishyZRlxruce5bZIVYxeuZ3Ha5pbNrvA&e= >> >> > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > >
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