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 Post subject: Re: Parker hull/prop database
PostPosted: Mon Mar 04, 2013 9:08 am 
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Joined: Thu Feb 23, 2006 5:17 pm
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Location: Pensacola, Fl.
No.... I just want to find the best happy medium.

When 2 boats that we have for sale get sold a new motor is going on and that will change everything again.

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 Post subject: Re: Parker hull/prop database
PostPosted: Tue Mar 05, 2013 7:36 pm 
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Location: Pensacola, Fl.
Well I spoke to Ken @ PropGods today. He's sending a Merc Inertia. 3 X 15 X 15

He said it will spin up a little easier.

Oh..and he told me he use to live in Pensacola and his folks still do. :)

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 Post subject: Re: Parker hull/prop database
PostPosted: Wed Mar 20, 2013 3:29 pm 
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Location: Pensacola, Fl.
'91 2520 with a '07 300 Suzzy. It's listed on Criegslist for sale.

Anyway My son called him and right up front told him he had no interest in buying the man's boat , but wanted to pick his brain about props and performance.

Seeing how there is a real lack of info for a 300 Suzzy and on a MV hull, I throught it was worthy of adding.


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I called the guy and told him I had no interest in buying his boat but did he have a minute....


Bottom line they guy is a more knowledgeable than most boaters. With a heavy load the boat would make 26 knots turning 4400 @ 2.0 mpg. They tried a few different props and have a 3x16x17 on the boat now. The 3x16x21 originally recommended would not let the engine turn up. He said that the suzzy 3x16x17 would only let him make 6,000. The boat was slow to respond with a heavy load and very responsive with a light load. That’s about it other than he was happy with the Suzzy and the boat overall. He did mention the new engine and it's efficiency. He felt we would get 2.5 with the new engine and after playing with props.



http://tampa.craigslist.org/pnl/boa/3639959822.html

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 Post subject: Re: Parker hull/prop database
PostPosted: Wed Mar 27, 2013 4:52 pm 
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Joined: Sun May 06, 2007 8:25 pm
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Location: St Pete/Islamorada
The pitch of a prop can determine several things. One of the main factors is turns per knot which ultimately determines how fast a given hull will do considering an average amount of prop slip. IMO a 21 pitch prop has no business on a MV PH Parker. Regardless of max RPMs a 21 pitch pitch prop with average slip is going to push a hull high 40s low 50s which is counter to the intended use and design of the MV hull.

The best advice is to choose a prop with a pitch that pushes the hull at the desired speed range for the design and purpose of the hull. In the case of a Mod V it will be a 15, 16, or 17 max pitch prop. Increase or decrease the diameter of the prop to adjust for desired WOT RPM. On a fishing boat, I personally prefer the largest diameter prop that will give me WOT RPMs required by the manufacturer for the motor, and a pitch that will give me a decent cruise at 75 percent of the manufacturers suggested max RPM.

In my case a Yamaha motor with a manufacture's suggested max RPM of 6k, my DV hull likes to cruise at 32mph at 4500 rpm which is right at 75 percent of WOT RPM. FWIW to get this I require a 3x15 3/8x18.

Wart, with a 300 Zuke I'm thinking you'll end up with a 3x16x16-17p or similar of the new 4 bladed PTs that Dale has been talking about.

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 Post subject: Re: Parker hull/prop database
PostPosted: Thu Mar 28, 2013 10:29 am 
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Location: Pensacola, Fl.
Quote:
Wart, with a 300 Zuke I'm thinking you'll end up with a 3x16x16-17p or similar of the new 4 bladed PTs that Dale has been talking about.


:mrgreen:

Here's what Ken @ PropGods said.


Quote:
Dale was running 38-39 MPH with a DF250
5900 RPM at 39 MPH is 24% slip, which is a little higher then I expected it to be on that setup.

You should get a couple mph faster. I'd say 42-43 with a light load judging from Dales numbers.
2.08 gear lets say we get you down around 13% slip shooting for 6100 RPM
A 17 pitch should do well.

If your going with stock suzuki props, the 16X17 would be the only choice.
Powertech, I'd go with the LFS4 in a 17 pitch, and it might need a little extra cup to get it biting better.

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 Post subject: Re: Parker hull/prop database
PostPosted: Sat Apr 27, 2013 9:19 pm 
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Joined: Sun Apr 08, 2012 5:11 pm
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Location: Western Maryland
GrouperJim,

When you say you run your boat heavy can you give me an idea of what heavy is to you? I have the same boat/motor combination that you have and am getting ready to reprop my motor. Looking to reach prop nirvana and am considering the 18 or 19 pitch prop.

Pressurerelief


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 Post subject: Re: Parker hull/prop database
PostPosted: Tue Apr 30, 2013 6:40 am 
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Location: Pensacola, Fl.
Heavy to me means slap full of fuel and 5 people onboard.

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 Post subject: Re: Parker hull/prop database
PostPosted: Sun May 05, 2013 7:26 pm 
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Posts: 1701
Location: St Pete/Islamorada
What Wart said.

When I am running heavy it means I am fishing so there is at least and extra 500# of ice/coolers and gear on top of the fuel and passengers.

IMO a 19 pitch is a no go on a f250/23DV. When the 23 finally comes out with a 300hp then a large diameter 19 pitch will probably be the ticket.

I still recommend the Rev4 17 for a stock boat, or Mirage 18 x 15 3/8 if you have big tabs and or a permatrim and no bottom paint. The rev4 will make your boat have good stern lift and handle/accelerate like a sports car......quick and responsive and nice around the dock for maneuvering. It will handle any load very well.

The Mirage will be like a typical 3 blade prop with little if any stern lift but have a little better fuel economy than the Rev4 on long runs to the fishing grounds like we have here on the west central coast of FL. The 18 pitch will be a little sluggish at the start of a heavy trip but finishes nicely as the boat sheds a little gas lightens up a bit

Both props will get you near the 6k RPM mark trimmed up at WOT.

You can get those props a little cheaper online rather than buying from Ken at Pop Gods, but IMO it is worth it to pay a little more and go with Ken. If there is ANY issue whatsoever with the prop, Ken will swap it out until you're happy.

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2004 23 DVCC
2006 2320
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 Post subject: Re: Parker hull/prop database
PostPosted: Fri May 24, 2013 1:03 am 
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My 2320/f225 only turned 52-5300 wot with the 17 rev4 when heavily loaded so I only used it when fairly light and at that time it was pretty sporty. Normal day is lots of fuel, ice, and multiple divers plus the livewell. Since another engine(300 not a doubt) is out of the question does anyone have any thoughts as to the mirage vs enertia specifically in an underpowered situation? Goal is best mpg at about 26-28mph.-any thoughts appreciated


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 Post subject: Re: Parker hull/prop database
PostPosted: Sun Jun 30, 2013 12:21 pm 
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Joined: Thu Aug 16, 2012 2:15 am
Posts: 61
Location: Atlantic Beach, NC.(Selma, NC)
Tried the Merc Rev4 17 off my buddies boat the other day on my 2310 Parker. This prop makes the boat jump out of the hole with minimal bow rise. I had a half a tank of gas and two people on board with a 150 Qt cooler and all my fishing gear. Cruising speed was around 26 mph spinning around 3800 to 3900. I was getting roughly about 2.5 to 3.0 mph depending on which way I was heading(current and wind). What amazed me about the prop was that I could stay on plane all the way down to about 17, 18 mph. I decided to really throw some weight on so I went and filled the boat up all the way(150 Gallons). My standard 3 blade black 17T that came with the motor from the factory would struggle a bit getting up on plane with all that weight. It would stand up real bad, but not with this prop. All in all I got a better hole shot and a better plane and although the gas mileage went down a tad, it wasn't that bad. WOT was 46 mph at 5800-5900. One thing I did notice is that the motor sounded a little louder????? I might have to buy me one. GrouperJim I know you have the 3 blade now, should I try that prop even though I don't have the permatrim or the tab upgrade?

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2310 WA Parker
Atlantic Beach, NC (Selma, NC)


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 Post subject: 1993 Parker 2320EC - Honda BF225 - Solas Titan 15.25 x 13 Pr
PostPosted: Wed Sep 04, 2013 11:56 am 
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Joined: Sat Oct 23, 2010 5:37 pm
Posts: 450
Location: Santa Barbara, CA
1993 2320 EC, Honda BF225, Solas Titan 15.25 x 13p
tested about a year ago. Engine raised two holes from original install.

Image

Image

Numbers collected in calm seas, Permatrim installed, one person aboard with about 70 gallons of fuel and light gear load.

Cruise MPG is 2.1 to 2.2 heading "uphill" with 3 guys and dive gear, turning 4200 to 4400 and 22 to 26 mph (statute).

Interestingly, when its calm out, I can wind it up to 5000 rpm and 29-30 mph and still get 2.2 to 2.3 mpg. It feels like the plane gets up out of the water much better around 28 mph.

I'm going to try the Enertia 15 and see what it does. My local prop shop is insistent that removing the Permatrim will improve performance.

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"Lori-K"
1993 2320EC, Honda BF225

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 Post subject: Re: Parker hull/prop database
PostPosted: Wed Sep 04, 2013 3:04 pm 
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Location: Lewes, DE
Fueled her up today in town.
Main tank stuffed full (127 gallons).
Iced cooler, gear, 2 aboard, in fairly flat seas, on an end-of-summer bottom.

5000 rpm making 27 knots out of a 1997 OX66 wearing a 17p Merc Mirage prop.


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 Post subject: Re: Parker hull/prop database
PostPosted: Mon Jan 27, 2014 7:49 pm 
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I have a 2011 2310wa with the 4.2l Yami 250. Looking for some prop data with the bigger motor.

Tried the Rev-4 17P, but due the 1.75:1 gear ratio it is not working out.

Ken @ propgods is now recommending the 3Blade Mirage-15P. Anybody running this? Anyone tried a 4Blade-15P? Still hoping to find a solution to get some stern lift.

Thanks


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 Post subject: Re: Parker hull/prop database
PostPosted: Wed Mar 12, 2014 7:44 am 
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Joined: Thu Aug 16, 2012 2:15 am
Posts: 61
Location: Atlantic Beach, NC.(Selma, NC)
Soshe1, I was wondering what you mean about the gear ratio. How was your boat performing with the 4 blade and what are your #s looking like with the mirage?

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2310 WA Parker
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 Post subject: Re: Parker hull/prop database
PostPosted: Mon Mar 27, 2017 8:35 pm 
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Joined: Tue Nov 15, 2011 8:31 pm
Posts: 28
2005 2320 w/f225

Been thru some wheels;

stock yammie 17p actually good all around and best top end(42mph), load it down and it don't work good.

Merc rev4 17p: feels like a sports car lightly loaded, forget it with any weight on board

Merc big diameter 15 3/4'? 3 blade 15p..sluggish takeoff and 35mph top end

$85 15" 4 blade Turning Point..worthless

latest test I got the new Merc 4x15 XC.. $750 beans from Jaco.. and this prop rocks for me. Note I am in an underpowered boat typically filled w 4 cornfed guys, ice, livewell and or scuba tanks etc. Basically worse case scenario and this prop gets it done.

Top end 36.. still cruises at 4500/26-27mph which isn't far from the 3 blade yammie which is 2nd best to me.

Mark 727 514-4602


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 Post subject: Re: Parker hull/prop database
PostPosted: Mon Apr 03, 2017 6:33 am 
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Joined: Sat Oct 23, 2010 10:22 am
Posts: 56
Location: Panama City, Fl
Tried out a new prop this weekend.

2003, 2320, F225, No bottom paint, hull is clean.

Bay was choppy, 1/2 tank of gas, 450 lbs worth of people and gear. I don't have a fuel panel, so I don't have the mpg results.

Yamaha black 15m.

WOT - 5500 RPM 33 mph (gps speed)
5000 - 23 mph
4000 - 17ish fighting to stay on plane

Ken@propgods lined me up with a Quicksilver Q3 Stainless 15x15

WOT - 5500 RPM 36 mph
5000 - 33 mph
4000 - 22 mph
Note - Jumped on plane quick with no help from stock trim tabs

Engine currently sits as low as it can go, and has permatrim installed. I plan on raising the engine one hole at a time to find the sweet spot. Does anyone out there see anything wrong with the new numbers? Could I be doing better? Or does this prop look like it will work? Thanks

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2003 2320, F225


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 Post subject: Re: Parker hull/prop database
PostPosted: Mon Apr 03, 2017 4:45 pm 
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Location: Lewes, DE
Raise her up. You will do better.

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 Post subject: Re: Parker hull/prop database
PostPosted: Mon Apr 03, 2017 7:40 pm 
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Raise her up and tell us. I will look at mine tomorrow and post my mounting height. My current combo rocks. Always looking to tweak it for the better-Mark


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 Post subject: Re: Parker hull/prop database
PostPosted: Tue May 16, 2017 4:11 pm 
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Posts: 28
Mine also is at the lowest mounting point.


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