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Thread: New Boat 4 Sled

  1. #2611
    Join Date
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    For SHTP Tracker Junkies:

    JOUJOU and RIFF RIDER currently in a dead heat for overall handicap lead. RR owes JJ 12 hours 21 minutes for the course of 2120 miles. RR about .5 knots faster, so he gains about 12 miles/day...

    In 12 hours, 21 minutes, at 7 knots, JJ can sail about 86 miles, a bit less if running downwind at angles.

    With about 11 days to go, RR needs to gain about 8 miles/day over JJ to win.

    Wind looks solid for the next 4-5 days, and likely beyond.

    One note on the tracker: the reported speed is the average speed between displayed reports. IE, if the difference in reporting time is 4 hours, then the SOG displayed is calculated on distance run divided by 4 hours.
    The boats are all displaying different reporting times and intervals, so interpolation is needed to figure out who's ahead of whom.
    Last edited by sleddog; 06-25-2018 at 08:39 AM.

  2. #2612
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    Sep 2007
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    Greetings Sled,

    Have you been able to validate any of the calculations under the Estimated Finish button on the tracking page? It may be all there for us but I haven't spent any time with the numbers.

    How times have changed. I remember listening intently for everyone's Distance-to-Finish numbers over the SSB and in a sleep-deprived state, trying to calculate how I was doing. Now it's probably all on their wristwatches. (Oh wait, what's a wristwatch?)

    I think SSS should go to the R2AK model.

  3. #2613
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    Quote Originally Posted by BobJ View Post
    I think SSS should go to the R2AK model.
    Oooooh! Them's fightin' words

  4. #2614
    pogen's Avatar
    pogen is offline Sailing canoe "Kūʻaupaʻa"
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    Quote Originally Posted by BobJ View Post
    Greetings Sled,

    I think SSS should go to the R2AK model.
    No ratings, well funded fast boat with big crew wins?

    I would not mind all the great publicity they get though.

  5. #2615
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    I'm kidding.

    But regarding "well-funded fast boats" - you'd still have to beat those 50 year-old Cal 40's, and that is always a tall order.

  6. #2616
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    Quote Originally Posted by pogen View Post
    No ratings, well funded fast boat with big crew wins?
    Yeah, and we have a girl, too, ya know. Maybe not eight, but the difference is still appealing: singlehanded unfunded beautifully appointed boat campaigned by Michael. Lots to like.

  7. #2617
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    Quote Originally Posted by BobJ View Post
    you'd still have to beat those 50 year-old Cal 40's, and that is always a tall order.
    Think of the muscles you'd need to pedal a Cal 40. Whew!

  8. #2618
    pogen's Avatar
    pogen is offline Sailing canoe "Kūʻaupaʻa"
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    Never bet against the Cal 40.

    He is tearing it up out there!

  9. #2619
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    New missive from Ray regarding a new refinement of his Jibest tracker:

    "You can now pick your speed made good (SMG) average poison:

    Average speed made good over: 6 hours 12 hours 18 hours 24 hours

    Default is 6 but you can refresh using any.

    Anything to keep people amused."

  10. #2620
    Join Date
    Dec 2012
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    Alameda CA
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    Quote Originally Posted by sleddog View Post
    For SHTP Tracker Junkies:
    ...One note on the tracker: the reported speed is the average speed between displayed reports. IE, if the difference in reporting time is 4 hours, then the SOG displayed is calculated on distance run divided by 4 hours.
    The boats are all displaying different reporting times and intervals, so interpolation is needed to figure out who's ahead of whom.
    This is almost, but not completely, accurate.
    The estimates are based on the SMG (Speed Made Good) over a given period of time previous to the inquiry.
    This was originally set at 6 hours; it is now user selectable at 6, 12, 18 & 24hour intervals with the newly implemented radio buttons at the top of the page.
    As Skip notes, the trackers are not synced, nor necessarily pinging at the same intervals.
    The added longer sample periods are intended to smooth the averaging out.

    DH

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