Its more than 25% smaller given the shape of the blade. I suspect its more like 40%. That means your engine will be revving higher and you will be moving slower under power, but under sail ...
On Wed, Sep 5, 2012 at 12:36 PM, Bob Moriarty <[email protected]> wrote: > Thanks for all the replies. > Ebay has a Martec RH 12 x 10P - 1" Shaft for only $195. > It's right down the road (Green Cove Springs, FL). > I could haul the boat and install it there. > I wonder if the 12" diameter is way too small. > I don't do a lot of motoring, mainly just off and back onto the dock. > > > http://www.ebay.com/itm/Martec-Eliptec-Feathering-Folding-Propeller-prop-RH-12-x-10P-1-Shaft-/130755867589?hash=item1e71a833c5&item=130755867589&pt=Boat_Parts_Accessories_Gear&vxp=mtr#ht_838wt_169 > > On Wed, Sep 5, 2012 at 10:12 AM, Rod randow <[email protected]> > wrote: > > Bob, > > My C&C 33-1 owner's manual (1976) lists props & engines supplied by C&C > > Yachts as > > > > C&C 33 Std Atomic four - gas 16x10x1 2blade (fixed or > > folder) (comes with V-drive 2:1 reduction standard) > > > > I have inquired at boat show about folding props for my boat and I > believe > > several companies were recommending something like 15x12. It was awhile > ago > > so the pitch may be wrong. I'm still using a fixed 16x10RH. > > > > Rod > > C&C 33-1 > > > > > > On 9/4/2012 8:23 PM, Bob Moriarty wrote: > > > > I've been off the list for awhile as I was considering going to the > > dark (non-C&C - but still sail) side. At any rate Ox and I have > > renewed our vows and I am going to open the ol' checkbook and lavish > > some attention on my 36 year-old beauty . I've already ordered a new > > (used) headsail from Minney's. Now I'm thinking about a > > folding/feathering prop to replace the two-bladed fixed prop I > > currently have. > > If there's a way to search the Stu's-List archives for prop > > info/opinions I will do so. > > > > Ox is in the water year-round so it's not easy to verify some of my > > assumptions. Ox has a rebuilt A4 (for sure, for sure) with a V-drive > > (for sure) and a 2:1 reduction gear (I'm pretty sure) and a > > right-hand drive (prop walk is to port). The prop is a fixed two-blade > > but I have no idea as to it's size or pitch. > > > > Flex-o-fold has my attention as a replacement. I'm not into hardcore > > racing but a 0.5 to 1.0 knot increase would be very satisfying. > > > > Opinions, experiences, and suggestions much appreciated. > > > > Bob Moriarty > > Ox 33-1 > > Jax, FL > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > [email protected] > > > > > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > [email protected] > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > -- Joel 301 541 8551
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