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Well it looks as though the prop on my 27 is misssing a blade.... anyone know how it is attached ( do i need a puller?) also any suggestions on what size the shaft is and maybe what kind of propeller would enhance the boat. i love you guys, i am a power boater getting my feet wet...........thanks so much for the help. jim
Welcome to the light side, Jim. You'll find a wealth of information if you search for "prop" in this forum. Most of the first page is irrelevant but the second and subsequent pages contain a wealth of experience/suggestions about propellors. It boils down to what you're doing with the boat: die-hard races prefer feathering or folding props whereas cruisers like me (I race other folks' boats) stick with fixed-blade models (I have the Indigo prop which is specifically designed for A-4s but if you have a diesel there are other options). Good luck and don't spare the questions; that's what this space is for.
Ken Pole
1975 Mark III Santiva
Ottawa
Ken Pole, Ottawa
1975 Mark III Santiva
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There is also a lot of information on props in Black Arts. I assume from your need to ask the question that you have a folding prop and you can't see the attaching nut. This means you probably have a Martec or Michigan folder. On these props, you must remove the blades (pull the split pins, then slide out the s/s blade pivot pins). Under the blades and buried within the body of the prop is a retaining nut with a square hole that fits a 3/8" drive from a socket set. Remove that nut, then use a prop puller to finish the job.
Most shafts are 7/8" but there are some 1" out there. The taper is probably SAE, but you should check. These boats are old enough that a previous owner may have slipped something different in there.
David Weatherston
Towser, Toronto
C&C 27 Mk IV
David Weatherston
Towser, Toronto
C&C 27 Mk IV
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If you want to replace with a fixed blade prop, I have a Michigan 12x5x7/8 that was original to a C&C 27 Mk I with an Atomic 4. Price $150.00. Picture available. Contact Ed at elevert@grayinsco.com.
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