Quicksilver mirage prop question
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Quicksilver mirage prop question
I was just wondering if there was any difference between a late 80's (87-89) SS mirage prop and a mid 90's mirage prop? I have a 1995 mirage 21P that has been damaged and I have found a few for sale that are barely used. The problem is that they are off of a late 80s boat. I wasnt sure if there were any differences at all between the years?
Thanks
Thanks
#2
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Late 80 it is a Mirage in 96 It may be a Mirage Plus. Some cup was added to the prop when they made it a Plus. Also on the later props the solid hub is the sleve replacable type. The earlier Mirages and Mirage plus had either a solid welded hub or a press in rubber hub. It can still be a fine prop. And a Mirage can be tuned into a Plus.
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Late 80 it is a Mirage in 96 It may be a Mirage Plus. Some cup was added to the prop when they made it a Plus. Also on the later props the solid hub is the sleve replacable type. The earlier Mirages and Mirage plus had either a solid welded hub or a press in rubber hub. It can still be a fine prop. And a Mirage can be tuned into a Plus.
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Thanks, so basically if I had a 1995 non-plus mirage, I should be able to replace it with the late 80s mirage (also not a plus) and not have any issues? They were made the same?
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Your right, but cup can be added to a Mirage to act more like a Plus. The Mirages I had liked to break free in a semi hard turn. A prop shop not far from us fixxed that by adding cup. Actually he is the one that told me that's all Merc did to make the prop a plus.
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This website, Mercury Mirage Plus, 3 Blade Stainless Steel Propellers Says the 13702 is a Mirage plus. It will act like it is about an inch larger in pitch. Googling the number I found this website Mercury Marine Mirage Propellers - iboats The 13244 is a Mirage like you said. They are the same diameter 14 3/4".
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When switching from a standard, 21P mirage, to a 21P mirage "plus'', you might drop 100-150rpm, but plane better, cruiser better, and possible better top speed if the boat needs some bow lift.
Cupping in a prop is huge. I learned the hard way with the big SSM props. Certain 4 blade cleavers, I couldn't get on plane at all, no matter what. Slap on a set of cupped props, same diameter and pitch, planes like a ski boat.
Cupping in a prop is huge. I learned the hard way with the big SSM props. Certain 4 blade cleavers, I couldn't get on plane at all, no matter what. Slap on a set of cupped props, same diameter and pitch, planes like a ski boat.
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I picked up the used prop. The only issue is that the thrust washer that was on my original mirage prop does not look like it fits the one I just got. The original prop had an insert on the bottom end of the hub and the thrust washer would fit flush into it. The used prop has a larger hub that has no insert that the washer can fit into. Basically they just rest on top of one another and it sounds like there is metal meshing when I spin it by hand.