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Author Topic:   Propeller for Dauntless 160

ravcrutch posted 07-14-2007 11:12 PM ET (US)
I just bought a second propeller as a replacement while I get my original propeller - Black Max 13 x 19 - repaired.
I bought a Michigan Wheel Vortex and when I tested it, it really took effort to plane even though it was the replacement for the Black Max (48-77346A45). Does anyone have any thoughts as to why I have such a big performance difference with this propeller?
Marlin posted 07-15-2007 09:54 AM ET (US)
You don't mention the size or pitch of the Vortex, or the size and type of your outboard. That information would be useful. I can say that 19" pitch would be a lot if you're running a Mercury 4-stroke with a 2.07:1 gear ratio.
-Bob
Tom W Clark posted 07-16-2007 10:31 AM ET (US)
Different propeller perform differently. No mystery there. I can think of a dozen reasons why two propellers with the same nominal dimensions might perform differently but why not just ditch the crappy aluminum props and get a good stainless steel propeller?
sconthecape posted 07-24-2007 04:28 PM ET (US)
I have a two-stroke 90-HP Mercury on a 2001 Ventura 160 which I just purchased. I am considering adding a stainless steel propeller. Any recommendations [for propeller and] pitch?

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Author	Topic: Propeller for Dauntless 160
ravcrutch	posted 07-14-2007 11:12 PM ET (US) I just bought a second propeller as a replacement while I get my original propeller - Black Max 13 x 19 - repaired. I bought a Michigan Wheel Vortex and when I tested it, it really took effort to plane even though it was the replacement for the Black Max (48-77346A45). Does anyone have any thoughts as to why I have such a big performance difference with this propeller?
Marlin	posted 07-15-2007 09:54 AM ET (US) You don't mention the size or pitch of the Vortex, or the size and type of your outboard. That information would be useful. I can say that 19" pitch would be a lot if you're running a Mercury 4-stroke with a 2.07:1 gear ratio. -Bob
Tom W Clark	posted 07-16-2007 10:31 AM ET (US) Different propeller perform differently. No mystery there. I can think of a dozen reasons why two propellers with the same nominal dimensions might perform differently but why not just ditch the crappy aluminum props and get a good stainless steel propeller?
sconthecape	posted 07-24-2007 04:28 PM ET (US) I have a two-stroke 90-HP Mercury on a 2001 Ventura 160 which I just purchased. I am considering adding a stainless steel propeller. Any recommendations [for propeller and] pitch?