Propeller Question

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Johnny.Mac
Posts: 10
Joined: Thu Jun 25, 2015 8:18 am

Propeller Question

#1 Post by Johnny.Mac » Tue Jun 20, 2017 4:18 pm

I have a 1992 Bass Buggy 18 foot Pontoon Boat. It has a 1987 Johnson 50 HP 2cycle outboard on it. Will someone please provide some guidance on what prop I should put on it? Thanks!
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r&s20
Posts: 146
Joined: Sun Dec 08, 2013 7:37 am
Location: toledo bend loisiana

Re: Propeller Question

#2 Post by r&s20 » Tue Jun 20, 2017 4:24 pm

have you run your boat yet, if so what prop do you currently have and what rpm's
if not run yet i would guess something like a 12 or 13 dia. x 10p to start.
although someone smarter than me will be along i'm sure
if it ain't broke-it ain't ours
94 smokercraft 20ft 90hp johnson
fish and cruise
I am not ADULT SUPERVISION !
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urbnsr
Posts: 180
Joined: Tue Mar 29, 2016 6:54 pm
Location: Celina, Ohio

Re: Propeller Question

#3 Post by urbnsr » Wed Jun 21, 2017 3:13 am

If I plugged the correct info into Michigan Wheel's calculator, they suggest either a 11-3/4" or 12-1/2" diameter, 13" pitch, three blade prop. I cannot guarantee these results are good, but I have used them before and am satisfied. You can check here:

https://www.miwheel.com/outboard-propel ... -analysis/

HTH
Paul
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