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Thread: SST 60 Final OPC Nationals 2006

  1. #11
    Team Member MN1's Avatar
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    Nov 2004
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    Matt,
    We had 75 lbs lead weight in to be over the 675 min.
    It was tested here in Kankakee, so normal straightaway.
    We did not run a GPS in the race.
    My props are for race conditions. Largest pitch is 17.6" and smallest is
    17.1". Dia. range from 10.75" to 11.5"
    How accurate are GPS units?
    Mark N

  2. #12
    Team Member Grin&Barrett's Avatar
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    Gps can be pretty accurate maybe mile or 2 off depending on view of sky and refresh rate.


    Matt

  3. #13
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    Default GPS speed

    When we test Sport C's on the Sacramento river with a current of apprx.
    4 mph we will show a higher speed in the downstream run because of the
    increased ground speed and a decrease in speed on the upstream run.
    I believe on a still lake the speed should be the same in any direction.

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