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M02 - Flow Mission Question Please

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  • M02 - Flow Mission Question Please

    Hello, We are having a bit of trouble with the FLOW mission model. Our team has built and rebuilt the model no less than 5 times. Yet, the tilting mechanism will not correctly support the angle of the central "Big Water" barrel housing. The technic link - connecting arms - located within the model seem to both bind-up when we push on and activate the yellow arms on either of the two "towers." The center section holding the water will not tilt forward when pushed, it goes in the reverse direction when the central/inside yellow arms are pushed downwards. Any ideas would be much appreciated? Thank you - the Fin-tastic Fish Team #27006.

  • #2
    You should only be able to turn the knobs counter clockwise, and only a small amount (maybe 20 degrees). The action of the model is turn the knobs and the tilting mechanism tilts enough that the big water rolls out the back of the model onto the opposing table.

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    • #3
      Maybe you want to upload a photo showing the problem. It would help in identifying errors in the construction

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      • #4
        Originally posted by Dean Hystad View Post
        You should only be able to turn the knobs counter clockwise, and only a small amount (maybe 20 degrees). The action of the model is turn the knobs and the tilting mechanism tilts enough that the big water rolls out the back of the model onto the opposing table.
        are you sure about the "clockwise" part?

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        • #5
          Originally posted by ae5880 View Post

          are you sure about the "clockwise" part?
          With "counter" right before it I am.

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          • #6
            Also, the knobs on both towers work the same. They both turn counter-clockwise to deliver water (just like a spigot).

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            • #7
              I would like to confirm that it is CCW and you only need 20-30 degrees of rotation. The only problem we have encountered with this mission, is that big water MUST be fully inserted into the "cavity", or it might not fall out, even if you fully turn the knobs.
              Legolympians - 2009-2015 (retired - joined FRC team 5422 Stormgears)
              Legolicious - 5th year girls team
              Brick Force - 2nd year boys team

              2015 - Mass FLL coach of the year.

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              • #8
                I think the OP might think the pump model is supposed to tilt the other direction and dump water on their own table.

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                • #9
                  Also you need to turn the knob and hold it there for a second or two so the water has time to roll out.

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                  • #10
                    Originally posted by glenn_woodard View Post
                    Also you need to turn the knob and hold it there for a second or two so the water has time to roll out.
                    Yes.

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                    • #11
                      Originally posted by glenn_woodard View Post
                      Also you need to turn the knob and hold it there for a second or two so the water has time to roll out.
                      You may also need to move it with a modicum of speed. We've noticed that if you move it very gentle, slightly, the water might roll out and get "stuck" next to the main part of the model. It doesn't seem that the axle guides really move past horizontal. Instead, it appears as though it takes a little bit of the momentum from the fall of the big water to start the movement down the axle guides.

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                      • #12
                        These are exactly the kinds of imperfections that could be covered by rule GP4 - VARIABILITY. Teams have the whole season to think about these things, and to plan around them.

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