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ContinuousWave: Whaler Performance
Comp props from overton
|Author||Topic: Comp props from overton|
posted 07-21-2004 07:48 PM ET (US)
I am wondering how the composite props from overtons stand up to general usage. I am looking at a 4 blade composite prop and was wondering if anyone had any experience with them. I am running a 17' Newport with a 70 hp Evinrude. Any comments would be appreciated. The price for a four blade composite is 74.95 plux tax verses 114.95 for Aluminum and 294.95 for 3 balde stainless and 399.95 for a 4 blade stainless !
posted 07-21-2004 08:09 PM ET (US)
I talked to one of the companies that makes the ones that have the replaceable blades. They told me that they sold theirs primarily to rental fleets and that if I wanted performance that wasn't the choice.
I ultimately bought a SS prop so I don't have first hand experience.
The thing to check on is the rigidity under load compared to SS or Al. Composites, I don't believe, are as rigid as the metal props.
posted 07-21-2004 08:31 PM ET (US)
In my opinion, they are the equivalent of a donut spare tire.
posted 07-22-2004 06:08 AM ET (US)
I bought a four blade comp. (15 pitch, not the replaceable blade type) a couple off years ago for use on a 90hp. I wanted a little more power for pulling up slalom skiers. It fit the bill. My original plan was to put it on when we were going to ski. Now I just leave it on. The stock alum prop is under the console as a spare. I have had no trouble at all with it. The most I can say about it's durability is that I have not yet hit anything hard enough to break it and it's seen sand, mud, rock, oyster bars, and floating sticks.
posted 07-22-2004 06:25 PM ET (US)
Don't waste your money.
The general rule of thumb for props is:
1. If your boat has a top speed of about 30, an aluminum prop will suffice.
2. If your boat has a top speed of 40 mph, a good OEM SS (elephant ear) prop will suffice.
3. If your boat will do over 40, you should be running a performance grade SS prop, somewhat elevated.
posted 07-22-2004 07:51 PM ET (US)
posted 07-23-2004 10:19 AM ET (US)
Flex is why. I have a 4 blade comprop and that thing is crap. 17" that performs like a 15". I keep it for a spare because it weighs about 1/4lb. Luckily I bought it on E-Bay for like $20.
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