Rudder placement on Hydros & riggers?

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  • Diegoboy
    Administrator
    • Mar 2007
    • 7244

    #1

    Rudder placement on Hydros & riggers?

    So where do you place your rudder & why.
    Please designate Hydro and/or rigger.

    The following OSE Store image shows the rudder on the right

    50
    Hydro = Left / Rigger = right
    0%
    24
    Hydro = Right / Rigger = Left
    0%
    2
    Hydro = Left / Rigger = Left
    0%
    10
    Hydro = Right / Rigger = Right
    0%
    11
    I don't run either hull type & don't care
    0%
    3
    "A quick temper will make a fool of you soon enough."
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bruce Lee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
  • Darin Jordan
    Fast Electric Addict!
    • Apr 2007
    • 8335

    #2
    Hydro Left... Rigger Right... Because they are FASTER that way...
    Darin E. Jordan - Renton, WA
    "Self-proclaimed skill-less leader in the hobby."

    Comment

    • Hydromaniac
      Senior Member
      • Oct 2007
      • 816

      #3
      Originally posted by Darin Jordan
      Hydro Left... Rigger Right... Because they are FASTER that way...
      Then why on full size hydros have I seen them on both sides and in the middle of the transome??
      www.rockymountainthunderboats.org

      Comment

      • Darin Jordan
        Fast Electric Addict!
        • Apr 2007
        • 8335

        #4
        Originally posted by Hydromaniac
        Then why on full size hydros have I seen them on both sides and in the middle of the transome??
        Water doesn't scale... and either do hydrodynamics...

        You don't see full-size boats running props 1/3rd the width if the transom either...
        Darin E. Jordan - Renton, WA
        "Self-proclaimed skill-less leader in the hobby."

        Comment

        • Jeff Wohlt
          Fast Electric Addict!
          • Jan 2008
          • 2716

          #5
          Riggers are certainly different.
          www.rcraceboat.com

          [email protected]

          Comment

          • Hydromaniac
            Senior Member
            • Oct 2007
            • 816

            #6
            Originally posted by Darin Jordan
            Water doesn't scale... and either do hydrodynamics...

            You don't see full-size boats running props 1/3rd the width if the transom either...
            You avoided the question with self inflated expertise on hydrodynamics and little boat versus big boat jargin, point is I think it comes down to hull design and driving style, be it big or little. It has been proven to work equally well on both sides of the transome.
            www.rockymountainthunderboats.org

            Comment

            • Darin Jordan
              Fast Electric Addict!
              • Apr 2007
              • 8335

              #7
              Originally posted by Hydromaniac
              You avoided the question with self inflated expertise on hydrodynamics and little boat versus big boat jargin, point is I think it comes down to hull design and driving style, be it big or little. It has been proven to work equally well on both sides of the transome.

              Sheesh... Go attack someone who cares... If you want to put your rudder on the right... put it on the right. I could really give a rip... I answered the pole question, and didn't claim any "expertise".... In fact... I can't say specifically why riggers seem to work better with the rudder on the right. They typically just do.

              The rudder on the left of a sport hydro works a little like wedge in a circle track car... If you have the rudder properly adjusted and placed, it helps to plant the right front sponson, which is something that is more of an issue on a sport hydro, do to additional lifting forces and the extra weight of the hull itself.

              Also, having the rudder and the turn fin on the right makes trying to correct to the left a bit more touchy... The boat is much more likely to ride up on the fin and rudder and flip when trying to steer back to the left down the straights...

              I mean seriously... We're running 2" props on a boat with a 6" transom... We're doing speeds that would scale up to well over 300mph... (50mph in a 1/12th scale hull... you do the math...)... And water DOESN'T scale... Sorry if you disagree... but it's a fact... not my "expertise"... just a fact.

              If you have a different opinion, that's fine. The question was asked, and I participated in the thread... SUE me... The FASTEST guys run them as I've described for the most part... no expertise... just a point of fact.

              In the future, if you want to be an ASS... PM me about it instead... and stop wasting these other good people's time by publicly trying to do whatever it is you feel you need to do to me publicly...
              Darin E. Jordan - Renton, WA
              "Self-proclaimed skill-less leader in the hobby."

              Comment

              • Diegoboy
                Administrator
                • Mar 2007
                • 7244

                #8
                Thank you Darin! Your input is very highly regarded.
                "A quick temper will make a fool of you soon enough."
                . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bruce Lee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

                Comment

                • Hydromaniac
                  Senior Member
                  • Oct 2007
                  • 816

                  #9
                  Originally posted by Darin Jordan
                  Sheesh... Go attack someone who cares... If you want to put your rudder on the right... put it on the right. I could really give a rip... I answered the pole question, and didn't claim any "expertise".... In fact... I can't say specifically why riggers seem to work better with the rudder on the right. They typically just do.

                  The rudder on the left of a sport hydro works a little like wedge in a circle track car... If you have the rudder properly adjusted and placed, it helps to plant the right front sponson, which is something that is more of an issue on a sport hydro, do to additional lifting forces and the extra weight of the hull itself.

                  Also, having the rudder and the turn fin on the right makes trying to correct to the left a bit more touchy... The boat is much more likely to ride up on the fin and rudder and flip when trying to steer back to the left down the straights...

                  I mean seriously... We're running 2" props on a boat with a 6" transom... We're doing speeds that would scale up to well over 300mph... (50mph in a 1/12th scale hull... you do the math...)... And water DOESN'T scale... Sorry if you disagree... but it's a fact... not my "expertise"... just a fact.

                  If you have a different opinion, that's fine. The question was asked, and I participated in the thread... SUE me... The FASTEST guys run them as I've described for the most part... no expertise... just a point of fact.

                  In the future, if you want to be an ASS... PM me about it instead... and stop wasting these other good people's time by publicly trying to do whatever it is you feel you need to do to me publicly...
                  You were not attacked you simply avoided the question with an as fact kind of answer and I pointed that out. If you felt attacked I apologize,Can you argue that major factors of hull design and driving come in to play with rudder placement in BOTH model and real boats. And have worked well in both cases,
                  www.rockymountainthunderboats.org

                  Comment

                  • shockerman80
                    Senior Member
                    • Sep 2007
                    • 169

                    #10
                    i perfer mine in the air due to the boat being too fast and flipping.

                    Comment

                    • Flying Scotsman
                      Fast Electric Adict!
                      • Jun 2007
                      • 5190

                      #11
                      Originally posted by Hydromaniac
                      You were not atacked you simply avoided the question with an as fact kind of answer and I pointed that out. If you felt atacked I apologize,Can you argue that major factors of hull design and driving come in to play with rudder placement in BOTH model and real boats. And have worked well in both cases,
                      Why should he argue the point. He stated his opinoin. What is yours?

                      Douggie

                      Comment

                      • Hydromaniac
                        Senior Member
                        • Oct 2007
                        • 816

                        #12
                        Originally posted by Flying Scotsman
                        Why should he argue the point. He stated his opinoin. What is yours?

                        Douggie
                        He states it will be "faster" if rudder is placed on the left. IMO it is dependant of hull design and driver and that rudder on the left side of the transome is not a hard fact or rule and will not always give the best results.
                        www.rockymountainthunderboats.org

                        Comment

                        • Flying Scotsman
                          Fast Electric Adict!
                          • Jun 2007
                          • 5190

                          #13
                          I am no expert but on a hydro that you want to turn right, it would make sense to have the turn fin on the right and the rudder on the left.

                          Douggie

                          Comment

                          • Jeff Wohlt
                            Fast Electric Addict!
                            • Jan 2008
                            • 2716

                            #14
                            They can be used on both but it is a matter of hull.

                            I only see mine with the Campbell run thru the corners very well. I have not tried it on the left. My UL1 Original RC Hydos was on the left. Andy always said to put it as far left as you could.

                            I guess until you ask a hydro expert that sets up the big ones we won't know. And even at that....it may not be the same as ours. Remember, this is a pivot point.

                            Yes, most of the big real hydros have it on the right and fin on the left since they go the wrong way :)
                            www.rcraceboat.com

                            [email protected]

                            Comment

                            • teach
                              Senior Member
                              • Jun 2008
                              • 509

                              #15
                              I have a pair of Cambels classic hydros that I ran the exact same hardware on. I prefer the rudder on the left. It seems smoother coming out of the corner. Not sure how to put this. With the one on the right it would come out of the corner and as soon as I put the wheel to neutral it would jerk and flip. Now this was only in lane 1. With a nice wide turn, say lane 3-4......sometimes 12 , I couldn't tell much difference.

                              Comment

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