Unless they live under that rock :)
Hearing real applications for OWFS is a large part of the fun of this
project!
Paul
On Mon, Jul 8, 2013 at 11:43 AM, Peter Hollenbeck <[email protected]> wrote:
> All surfaces have a sealer coat of epoxy, followed by a layer of
> fiberglass cloth adhered with two layers of epoxy. There is virtually no
> possibility of water entering the plywood - unless we hit a rock at
> cruising speed (10 knots). Even that would be unlikely to breach the hull.
>
> I'm apologize to people on this list who have no interest in the non-owfs
> aspects of this thread.
> Peter
>
>
>
> On Mon, Jul 8, 2013 at 12:45 AM, Colin Law <[email protected]> wrote:
>
>> On 7 July 2013 22:47, Peter Hollenbeck <[email protected]> wrote:
>> > How would I probe? The compartments are sealed.
>>
>> I was thinking that if the chamber was wet inside then probing the
>> wood on the exterior would show damp seeping into the wood. That may
>> not be true though, depending on the material used.
>>
>> Are you sure it is a good idea to have completely sealed chambers on a
>> wooden boat? You would only need a half inch hole with a removable
>> cover to allow a check for water ingress. In addition these could be
>> opened when the boat is out of service to ensure that the chamber is
>> ventilated to reduce the likelihood of rot developing. Though a
>> slightly larger hole might be advisable for ventilation.
>>
>> Colin
>>
>> > Whatever solution I finally
>> > adopt there will be at least two wires from each bilge compartment
>> leading
>> > to the areas above the floor (deck). The wires will be sealed so that
>> they
>> > don't provide a passage for water.
>> >
>> > If anyone is interested, here is our project:
>> > http://www.hbeck.net/pics/projects/skipjack/skipjack.html
>> >
>> > The implementation of the moisture sensing solution will probably be in
>> > September or October, after the boat is turned upright and we begin
>> work on
>> > the interior.
>> >
>> > OWFS is a great project. I use three RPis to drive three 1wire sensors,
>> a
>> > Davis weather station and three still webcams,
>> > Thanks very much to everyone.
>> > Peter
>> >
>> >
>> >
>> >
>> > On Sun, Jul 7, 2013 at 1:10 PM, Colin Law <[email protected]>
>> wrote:
>> >>
>> >> On 7 July 2013 21:05, Peter Hollenbeck <[email protected]> wrote:
>> >> > Elegant solution. Would I need a computer? Could I just do it with a
>> >> > multimeter? I love my Raspberry Pis but maybe one isn't required in
>> this
>> >> > case.
>> >>
>> >> Would you be better just with a cheap moisture meter [eg 1] and probe
>> >> it from the outside occasionally, as if the inside of the chanber is
>> >> wet then presumably some of this would soak through and make the wood
>> >> damp.
>> >>
>> >> [1]
>> >>
>> http://www.amazon.co.uk/Handheld-Wood-Moisture-Meter-MD-812/dp/B00118SL6A
>> >>
>> >> Colin
>> >>
>> >>
>> >>
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