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  #1  
Old 05-17-2018, 04:04 PM
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Phntmski Phntmski is offline
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Join Date: Aug 2004
Boat: 1991 ProStar 190
Location: South Central
Posts: 262
91 PS Wake Plate

So I've had the same 91 PS w/slot for about 15 years. Boat is used almost exclusively in a slalom course at 34mph. I'm not a great skier by any stretch. PB is 2 @ -35 but if I run most of my-28s its a good day. I spend a lot of time @ -22 & -28. Occasionally I ski behind a newer PS or some other boat brand not to be mentioned here and thoroughly enjoy the -22 pass. At -22 my boat has that beast of a 22 hump! I can handle the Stargazer speed control opposed to ZO but that hump is dangerous. I can live with the chine spray and all other line lengths are great. I'd rather not buy another boat just to get rid of the hump. I'm thinking about trying a trim tab like that other boat brand has.

I'm wondering if anyone has any knowledge of this. Does it help smooth the -22 hump? How else does it affect the wake characteristics and boat handling? Will the transom support it? Any input would be greatly appreciated.
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  #2  
Old 05-17-2018, 04:43 PM
Ben Ben is offline
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Join Date: Jul 2004
Boat: '94 PS205 LT1
Location: Michigan
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Just skip -22? Start at 28.
Assume you have all weight out that is not needed and under 1/2 tank fuel.
Some say a cnc prop will help. I didnít see too much improvement at -22 on my 205, but it is smoother.
Never seen a wake plate, but curious.
You Could also get a 50 lb weight in front to see if it does anything.
What year PS was better? It seems the consensus is that until 2014, the 91-94 hull was best for -15 to -22, maybe also -28.
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  #3  
Old 05-17-2018, 08:34 PM
Yeaitsslo Yeaitsslo is offline
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Boat: 91 prostar
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If your thinking about the Malibu Response and the plate they used i donít think itís going to help you. They used that plate to get rid of the hole in the wake for barefooting. Wonít get rid of a bump.
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Old 05-17-2018, 08:44 PM
Ben Ben is offline
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Boat: '94 PS205 LT1
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Supraís has a plate too. I think late 80ís, maybe 90ís boats.
I think Someone here added one to a MC but I donít remember what model.
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  #5  
Old 05-17-2018, 09:10 PM
Timr71 Timr71 is offline
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Join Date: May 2016
Boat: 93 Ski Centurion Falcon
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You've read this thread, right?

https://www.mastercraft.com/teamtalk...t=47265&page=8
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  #6  
Old 05-17-2018, 10:29 PM
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Bouyhead Bouyhead is offline
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Are you turnining a 3 or 4 blade prop? I've heard the right 4 blade can soften that 22 a bunch.
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  #7  
Old 05-18-2018, 08:15 AM
Ben Ben is offline
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Boat: '94 PS205 LT1
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I didnít find 4 blade to be better. Tried it. Went back to three blade. 32-34mph, was focused on -22 hump with no care to hole shot or fuel burn.
Great support from OJ.
Thread above looks interesting. Once you get past the mental block of drilling in your boat, below the waterline...
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  #8  
Old 05-18-2018, 01:04 PM
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Phntmski Phntmski is offline
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Join Date: Aug 2004
Boat: 1991 ProStar 190
Location: South Central
Posts: 262
Thanks for the responses.

In regards to just skipping -22 I'd like to get to the point of starting at -28 but am not there yet. Also, when I do get to ski this year I'll be coming off rotator cuff surgery and will be backing up to -15. I'm not convinced I'll ever get to ski as hard as I used to so I might be spending a lot of time at -22. I have about 70# ballast under the passenger seat but that didn't change anything when I added it a couple years ago. I'm running a 4 blade ACME. I have a 3 blade ACME for a spare. Oddly enough the 4 blade is a little bit faster at same rpm and smoother at any speed or acceleration. The blades on the 3 blade are HUGE! I've been told by other equivalent 190 hull owners my wakes are softer than theirs. I love my em too except that 22 hump.

The other ProStars I've skied behind that didn't have the hump were 2014s and later. Nautique puts some kind of narrow plate on theirs but I think it's more for trick wake.

I used to ski some with Kyle occasionally back when when skied and I'm sure we had this conversation. He always thought the wakes were hardly improvable but he also started at -28. It's like skiing into/over about a 6" wall crossing that wake. I cannot soften my knees enough or be on edge enough to knife through.

I did see Jim's thread. I thought it interesting but not sure it convinced me this would be a good and safe for my boat investment.
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Old 05-31-2018, 03:06 PM
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AZDave AZDave is offline
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Boat: 1993 Stars & Stripes Prostar 190 351 285 hp
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Run 22 off with only 5 gallons of gas, and no spotter. Remove back seat and any items that may make the wake bigger. Or... ski 22 off behind a Ski Centurion with a full tank for a while. The wake on the Pro Star will never bother you again.
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