SoCal Jet Boats

Tech Talk => Jet Pumps => Topic started by: beerjet on November 18, 2013, 10:28:02 PM

Title: Ride plate on a cruiser
Post by: beerjet on November 18, 2013, 10:28:02 PM
How effective is a ride plate on a cruiser?
I'm talking 21' and up cruisers.
They rarely see 60-65+ mph....
Does a hull that big and heavy really benefit from "thinking" it's, and behaving like it's bigger?

-beerjet-

Title: Re: Ride plate on a cruiser
Post by: GT Jets on November 18, 2013, 11:17:54 PM
How effective is a ride plate on a cruiser?
I'm talking 21' and up cruisers.
They rarely see 60-65+ mph....
Does a hull that big and heavy really benefit from "thinking" it's, and behaving like it's bigger?

-beerjet-

Put enough HP in anything to get it to rock back and it will make use of the plate. I would estimate on a 21' cruiser with the typical weight, we would be talking in the 800+HP range.

Just my opinion, the trick to a cruiser is water volume more than attitude. Build the same style cruiser out of T6 and we have a different discussion all together.

GT
Title: Re: Ride plate on a cruiser
Post by: beerjet on November 18, 2013, 11:24:48 PM
Put enough HP in anything to get it to rock back and it will make use of the plate. I would estimate on a 21' cruiser with the typical weight, we would be talking in the 800+HP range.

Just my opinion, the trick to a cruiser is water volume more than attitude. Build the same style cruiser out of T6 and we have a different discussion all together.

GT

That's kind of what I thought....


-beerjet-

Title: Re: Ride plate on a cruiser
Post by: mash on it on November 19, 2013, 07:26:23 AM
My Eliminator 21'  has one- ride plate, shoe, (back-cut, I think), loader, diverter. Done by G.S. Marine back in the day (~'95).
I've played with the ride plate angle some, and it ended up where it started.
I've never ran it without one, so I don't know if it helps, but can't hurt.
I'm not running crazy horsepower, either, maybe 470 hp or so. 'AA' @ 4900-4950(good air)
Moving the ice chest beside the motor cover made more of a difference.
A ride plate makes reverse "not forward"(virtually useless) vs. one without a plate.
A nice underwater step for boarding in deep water though.

Dan'l
Title: Re: Ride plate on a cruiser
Post by: uncleBOBBY on November 19, 2013, 07:30:00 AM

How effective is a ride plate on a cruiser?
I'm talking 21' and up cruisers.
They rarely see 60-65+ mph....
Does a hull that big and heavy really benefit from "thinking" it's, and behaving like it's bigger?

-beerjet-
I have one on my 21 hawaiian.
I had a purposing problem and added the plate and snoot and shimmed the plate down in the back and problem solved. I dont think it improved and speed factor thou


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Title: Re: Ride plate on a cruiser
Post by: Ralph Brunt on November 19, 2013, 10:21:13 AM
The ride got better after I did mine

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Title: Re: Ride plate on a cruiser
Post by: tamsone6 on November 19, 2013, 10:25:30 AM
I have two 12 inch tabs on the back of mine. Also had a porpoising problem that they took care of. Overall the ride is much smoother now too. I have a basically stock 460 in mine and I get up to 58 mph when it's pretty smooth on the lake.


Life is uncertain. Don't sip.
Title: Re: Ride plate on a cruiser
Post by: More2LifeThanMPG on November 19, 2013, 05:50:04 PM
I've been looking at a ride plate or trim tabs for my mini day, after my minor engine make over I know have a  porpoising issue. Hoping a diverter and possibly some sort of plate or tabs will eliminate it.


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Title: Re: Ride plate on a cruiser
Post by: Just Electric on November 19, 2013, 06:23:13 PM
The ride got better after I did mine

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im sure it did  :D
Title: Re: Ride plate on a cruiser
Post by: Just Electric on November 19, 2013, 06:25:08 PM
jmo id check what degree your intake is set and go from there. most boats dont have there intakes set where they typicaly should be i know of a nordic cough cough that we reset the intake and put a machined one in with ride plate and it improved the ride
Title: Re: Ride plate on a cruiser
Post by: jyeager on November 19, 2013, 06:42:50 PM

jmo id check what degree your intake is set and go from there. most boats dont have there intakes set where they typicaly should be i know of a nordic cough cough that we reset the intake and put a machined one in with ride plate and it improved the ride

X2 here! That degree can make or break it!


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Title: Re: Ride plate on a cruiser
Post by: tamsone6 on November 19, 2013, 11:22:11 PM
I made mine for about $60 too so I think it was totally worth it.


Life is uncertain. Don't sip.
Title: Re: Ride plate on a cruiser
Post by: BIG JOHNSON on November 20, 2013, 05:45:04 AM
I got just over a one mph gain adding a droop and ride plate combo. I don't know which did what or if it was just a difference in air temp. But it looks 5 mph faster on the trailer.
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