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Forum: Auxiliary Equipment & Dinghy 22-06-2021, 13:47
Replies: 45
Views: 5,749
Posted By wsmurdoch
Re: Dinghy Pressure due to temp?

Our air floor gray Achilles was happy for days and days in the Bahama sun; tight in the heat of the day and a little squishy at night. We brought it aboard and stored it upside down on the foredeck...
Forum: Auxiliary Equipment & Dinghy 21-06-2021, 19:29
Replies: 45
Views: 5,749
Posted By wsmurdoch
Re: Dinghy Pressure due to temp?

I do, but I am an old fart.
Forum: Auxiliary Equipment & Dinghy 21-06-2021, 19:06
Replies: 45
Views: 5,749
Posted By wsmurdoch
Re: Dinghy Pressure due to temp?

Here is my take...

The problem has to be worked in absolute pressure and in absolute temperature.
Fahrenheit + 460 = Rankine
psig + 14.7 = psia

70F = 530R
3.5 psig = 18.2 psia

PV = nRT
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