Tumultuous Uproar

A cruising boat with a racing problem...

Mopelia, day six, trigonometry

23 October 2020
Russ Whitford | Weather is perfect today
Mopelia, day six, September 25.

School day on Ecole Uproar.

I mentioned the evening before that I could teach some trigonometry to Alize, 13 and Anuk, 15. They readily agreed. The two girls arrived at 9:00am sharp on their paddle board. They were wearing matching outfits their mom made for them. There is something remarkable about boat kids. They are comfortable in any surrounding. They are not shy or self-conscious around adults. These traits will serve them well in life.

I had no idea of their math skill level so had prepared a few problems involving Pi, Pythagoras Theorem, etc. They had a working knowledge of these and the necessary algebra. They had learned in French so their mother Magali, was anxious for them to learn some technical English. They spoke perfect English as their dad, Chris is from NZ.

We treated the lesson like we were ancient builders and had no knowledge of Trigonometry. We drew a unit circle and devised our own trig tables. We then used those trig tables to solve some problems. The final problem was to determine the length of Uproar's backstay using only a protractor and horizontal measurement from mast to transom. I said we didn't want to have to haul them aloft to hold one end of the tape and used trig instead. They were attentive and involved for the two hour lesson and I sure enjoyed working with bright, enthusiastic students.

The evening was on 2K, playing more Farkle and Mexican Train dominos. Kini left this morning to beat back to Raiatea. I think they have picked some good weather. Wind should shift from NE to SE. They planned to start out on port tack and tack onto starboard when the wind shifts. That would be playing the conditions just like a racer. Bon voyage.
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Vessel Name: Tumultuous Uproar
Vessel Make/Model: Beneteau 42s7
Hailing Port: Milwaukee, WI
Crew: Russ Whitford & Lisa Alberte plus Sophie our Jack Russell Terrier
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