Chris Craft
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Topic: new to the group (prop)

Author Message Prev Topic | Next Topic  fatony "Seaman Recruit" Joined: February 03 2011 Posts: 9 Posted: February 03 2011 at 18:17 | IP Logged hello all i am new to the group new to chris crafts and new to boat owning and restoring. i am the owner of a 73 251 Catalina with a 318 cry engine. i know i will need much help and i thank all in advance. at this time i need to know which prop is the best for this boat and the best way to free the rudder ( steering wheel will not turn) many thanks __________________ 73 cat 251 318 Back to Top    ....P "Seaman Recruit" Joined: April 05 2011 Posts: 5 Posted: April 05 2011 at 13:43 | IP Logged In order for us to really help you, we need to know what gear you are turning on this boat.  I would think it is a 1.5:1 reduction, but it could be something else.  In addition, if you have any running info now, such as "the motors will only max out at 3500 rpm" and if you know what props you have on the boat, then we can assist with some speculation or good guesses.   Also, you noticed I said prop(s), so I was assuming this was a twin engine application, but if it is a single motor, then that means a lot too.  For instance, I would guess with a single 318 and 1.5:1 gear reduction, a 25-foot Chris with a fast bottom like the Catalina, would take a 14x15 RH or something getting close to that. Regards, Paul Edited by ....P on April 05 2011 at 13:46 __________________ 1973 23' Lancer Inboard, 427 power 1966 38 Commander Express, 427 power 1966 20' fiberglass Sea Skiff 1956 17' CC Sportsman http://www.chriscraftcommander.com Back to Top

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