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rudder questions

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    Senior Member 74glencoe's Avatar
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    Default rudder questions

    will this rudder work on the PD pictured? Also, how much of a difference does adding a rudder actually make when pulling a hard cutting skier?


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    that looks like an old wj unit. for the final word go to tim at place diverter he is on here as PDC101. the rudder will help some but i would use the larger one, also it will make some difference as to how you mt the skier rope ie transom or motor , regardless a large skier can "pull" the boat if he really lays down on the ski. imo.

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    Senior Member Josh@JBP's Avatar
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    Quote Originally Posted by 74glencoe View Post
    will this rudder work on the PD pictured? Also, how much of a difference does adding a rudder actually make when pulling a hard cutting skier?


    With some modification you could probably get it to work, the biggest hurdle i see is on the older WJ units (like the one pictured) the lower pin typically doesn't have a retainer bolt, it uses spirolocks on either side of the pin to hold it in place, same as a stock nozzle.

    Also the two rear bolt holes would have to be tapped into the ball unit, but that part shouldn't be very complicated
    Last edited by [email protected]; 02-04-2010 at 02:17 PM.

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    Horsepower sells Engines lefty's pride's Avatar
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    i dont totally know how much it helps you when you pulling a skier.... but i had one break off in a corner and the boat dam near went straight.... so in my opinion there
    a big help. any body have trouble with the plastic rudders from CP Performance Marine Products. i had three crap rudders come from them one broke after a couple weekends, one broke on the way to the lake and the last i found a crack i could open up OUT OF THE BOX. so i bought a aluminum one
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    Senior Member jetboatperformance's Avatar
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    Lefty , any idea what might have broken the one on the way to the lake? Just askin' Tom

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    Horsepower sells Engines lefty's pride's Avatar
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    well im am assuming it was the cast of the rudder the steer in that goes into the Berk 12jc and the bolt mounting plate wasn't totally aliened correctly and put to much stress on it. not saying it wasn't broken when i left thats just where i noticed it. the next on i went over with i fine tooth comb and found the flaw in the next. the aluminum seemed good. not totally satisfied with cp. after all that trouble they didn't even cut me a deal on the alum. one just gave me a credit for the cost of a plastic.
    "Horsepower sells Engines but torque wins races."
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    those who never win and never quit are idiots"
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    Senior Member jetboatperformance's Avatar
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    Most all of us sell both the aluminum and the hard plastic OEM style rudders , the price difference is about half (or double depending on how you look at) You might think of the plastic deal as being "sacrificial" although they do tend to break a little easier they almost always break from striking something(rocks shallows etc) or a low drive way . The "upside" if you can see it that way is when the plastic rudder breaks they generally break away around the lower steering pin and it typically doesnt damage anything else. conversley when the aluminums jobs break (or strike something) on Berk steering often times they can break steering assemblies ,droops, nozzle adaptors even bowls Tom

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    What the Hell is That? 72Hondo's Avatar
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    Run it with out a rudder and have fun. The WJ was never built to incorporate a rudder. THe YJ on the other hand was.

    From what I hear it does not make a huge difference plus puts extra drag on the boat.

    Now what would be really cool is if some one desigined a universal rudder to be lowered and raised hydraulically for slow steering improvment or a loss of power when up on plane.
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    Horsepower sells Engines lefty's pride's Avatar
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    ya totally agree way better to have the sacrificial part than kill the jet they why i tried so many times. just didn't know what my options where for Berk parts all i knew was California marine in Richmond was a rip off so i ordered it on-line i wish i could have ordered a good one from you but say lave. but i chocked the first up to damage one the beach the last two for sure where from manufacture defect not a mark on them. and they do make a huge diffrence all you need is for one to brake off and you'll see
    Last edited by lefty's pride; 02-04-2010 at 10:46 PM.
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    Senior Member Reservoir Dog's Avatar
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    you could also look at getting a nozzle with a fin that bolts on with three small bolts i think its a nozzle off a r pump. i have a friend who has a couple of them.

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    Senior Member 74glencoe's Avatar
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    Default 10-4

    Thanks for the input guys, I dont notice the pull much except when I am pulling my HUGE uncle. The real problem is when the girlfriend is driving with me in tow, she has problems keeping the boat straight, but was learning a little at the end of last season. Sounds like I just need to deal for a while this season.
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    JRPM/e-PerformanceMarine Squirtin Thunder's Avatar
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    Quote Originally Posted by 74glencoe View Post
    will this rudder work on the PD pictured? Also, how much of a difference does adding a rudder actually make when pulling a hard cutting skier?
    Yes it will help but the larger PD rudder would be even better. A fin on the bottom of the boat would also help it track straight, even the tournament ski boats run triple fins under the boat.
    Last edited by Squirtin Thunder; 02-06-2010 at 01:34 AM.
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    Senior Member 74glencoe's Avatar
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    Quote Originally Posted by Squirtin Thunder View Post
    Yes it will help but the larger PD rudder would be even better. A fin on the bottom of the boat would also help it track straight, even the tournament ski boats run triple fins under the boat.
    Before anyone asks I do still have the two fins on the intake, if problems persist I will get the rudder, and sounds like a hard plastic one is the safe way to go.
    Boating is nothing like cocaine, boating is much more addictive and results in bigger parties!

  16. #14
    Senior Member hihosilver's Avatar
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    he was talking about a single fin in the middle of the bottom of the boat

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