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Author	Topic:   15 GLS Prop Help
sturco	posted 07-02-2008 12:02 PM ET (US)         Guys, I have a 15 GLS with a 1995 Merc 40HP on it. The prop reads 48-73140-A-40-15P. Has anyone any info on different size props for this set-up ? I don't have a tach or speedo so I'm not sure where I am except it's pretty slow getting on plane. Thanks, Steve
Tohsgib	posted 07-02-2008 12:15 PM ET (US)             Without a tach it is almost impossible for to give you advise. A 40 on a heavy GLS is kinda marginal but the right prop should do the trick. Yours is a 15" maybe try a 14" and see but again w/o a tach you might over rev with a 14".
Tom W Clark	posted 07-02-2008 12:22 PM ET (US)             #48-73140-A-40-15P is a 10-1/8" x 15" aluminum BlackMax three blade propeller. I agree with Nick, we cant offer much advice without RPM data and/or speed data. Borrow a handheld GPS and make a couple top speed test runs in opposite directions and then report back.
sturco	posted 07-02-2008 12:25 PM ET (US)             Thanks guys, makes sense. Steve

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