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ContinuousWave: Whaler Performance
17-foot with 90-HP: What Prop?
|Author||Topic: 17-foot with 90-HP: What Prop?|
posted 11-25-2003 10:54 PM ET (US)
I have a c.1990 NEWPORT 17 with a 90-HP Johnson. What size prop to use?
What was the last year this hull was manufactured? Thanks
posted 11-26-2003 01:34 PM ET (US)
Last year for Newport's was 1989. The prop to run is a 13 3/8x17 Stainless or Alum, I prefer stainless. This will get you mid 5's on reline and reline is 5500. Top speed will be low 40's.
posted 11-29-2003 09:05 AM ET (US)
Discussion of propeller pitch on 17-foot hulls with 90-HP is a favorite topic. I believe you have been given good advice in this thread.
posted 11-29-2003 09:20 AM ET (US)
I am running an Evinrude 88 SPL. It has the original prop which is an aluminum 13 1/4 X 17.
At wide open throttle I am spinning at 5750 RPMs.
42 MPH with 1 on board.
posted 11-29-2003 09:21 AM ET (US)
If I am not mistaken, redline for my motor was 5750.
posted 12-01-2003 02:00 PM ET (US)
Sorry Jay....5500 so raise your pitch some.
posted 12-01-2003 07:16 PM ET (US)
Bigshot, I am certain the owners manual stated it at 5750 or 5800. I'm looking for it at the moment.
posted 12-02-2003 11:50 AM ET (US)
It would be the first crossflow to do that.
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