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What is the best prop for me?
Cole12340	#1  Posted on 10/28/12 - 5:59 PM
Member Posts: 3 Comments: 0 Joined: 10/28/12	Hi I have a 2007 130 sport and I would like to get a new prop, it has a mercury 40 4 stroke and I would like to know which prop would give me the best performance overall? Current pitch is 14 Thanks Edited by Joe Kriz on 10/29/12 - 2:13 PM
Joe Kriz	#2  Posted on 10/28/12 - 6:17 PM
Site Owner Personal Page Personal Album Photo Albums Project Albums Posts: 11447 Comments: 452 Joined: 03/18/05	The 130 Super Sport was not made until 2009. http://www.whalercentral.com/userphot...lbum_id=72 Are you sure about the model you have? I am guessing that you have a 130 Sport. http://www.whalercentral.com/userphot...lbum_id=51 See this article on props in our Article link on the left sidebar. http://www.whalercentral.com/articles...cle_id=108 Edited by Joe Kriz on 10/28/12 - 6:24 PM
kamie	#3  Posted on 10/28/12 - 6:21 PM
Member Personal Page Project Albums Posts: 2975 Comments: 3 Joined: 11/04/05	Whatever boat you have, need to know the model number of the prop and speed and RPM at WOT. Also where is the outboard ventilation plate relative to the water surface while on plane, trimmed out.
Cole12340	#4  Posted on 10/29/12 - 1:35 PM
Member Posts: 3 Comments: 0 Joined: 10/28/12	Your right I just looked it up its A 130 sport. And I have the stock mercury Blackmax (the prop says 73138A40P14) on it but the tach doesn't work so I'm not sure what the rpm is at WOT, and the next time the boat is in the water ill check the ventilation plate. Thanks for the help
Joe Kriz	#5  Posted on 10/29/12 - 2:15 PM
Site Owner Personal Page Personal Album Photo Albums Project Albums Posts: 11447 Comments: 452 Joined: 03/18/05	OK. 2007 Sport 130 Without a tach you are basically out of luck optimizing the prop. You can only rely on what other members are using which may not be anywhere near close to what your boat needs. I would suggest getting your tach fixed or purchase a new one. The most important gauge on any boat is a tach. With a tach, a person knows they are not going over redline on the motor and risking blowing it up. A tach also helps to determine the correct prop for you boat. Edited by Joe Kriz on 10/29/12 - 2:18 PM
Cole12340	#6  Posted on 10/29/12 - 2:20 PM
Member Posts: 3 Comments: 0 Joined: 10/28/12	Ok I'll get a new one and then come back when I have the results and thanks for the help