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Viper Laser II Prop Question

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Expand view Topic review: Viper Laser II Prop Question

Re: Viper Laser II Prop Question

by RussF » May 27, 2011 2:58 pm

look on the BBC web site they have a lot of props for sale there Bass Boat Central web site

Viper Laser II Prop Question

by jacklake2003 » May 27, 2011 1:56 pm

Hey all, I have a question about prop sizes. My Viper is powere by an inline 4 Merc 850 (85hp). I currently have an old 21P 2-blade al prop. However, at WOT it over-revs; 6200-6400 RPM. I would like to get a Mercury Laser II prop for it and I'm looking for a little help in picking the right size. I'm thinking 24P? Currently, the motor is set pretty low; cav plate even or below the pad w/ 6" of set back. What do you think?

For comparison, I have a VooDoo with a 70hp OMC and a 24" Raker (6000 rpm). Now the Voodoo is quite a bit lighter than the Viper, but it has a bit less power (the 850 seems pretty strong) and I believe the OMC has a higher gear ratio.

Any ideas are appreciated. Have a happy Memorial Day! - Chris

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