Debarked raw hazel spars (6.7 m long) were already combined with o'Lata sail (claw claw sail used on tepuke type proa yachts). Work progress: 29.02.2024. Drying conditions (100 days of outdoor drying): temperature amplitude from -5 to +10C, approximately.

Shape of this particular o'Lata sail (Taumako proas) was designed by Janusz Ostrowski. More details about sails and proas developed by Janusz Ostrowski you may find on his YouTube and FB channels:

   / @oj1jo  

   • o'Lata sail made from contemporary cl...  
(o'Lata sail made from contemporary cloth in search of engineering genius of Taumako proas)

  / pjoa-100057109015346  

An interesting talk about hydro/aerodydynamics:
   • Gawęda o aero i hydro dynamice mg inż...  
"Gawęda o aero i hydro dynamice" by mg inż. Janusz Ostrowski

Audio source: https://www.youtube.com/audiolibrary/...
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