Doug — as far as I know, the ultrasonic speed sensors need to be through-hull, as they work by detecting particles in the water and using Doppler shift to gauge the speed. So they wouldn’t work in-hull.
— Fred Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI > On Sep 14, 2018, at 2:23 PM, Doug Mountjoy via CnC-List > <cnc-list@cnc-list.com> wrote: > > Ron, > Does your speed sensor shoot through the hull? If so what model is it? > Thanks > Doug > > > > Doug Mountjoy > Rebecca Leah > LF39 > Port Orchard YC, WA.
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