[PSUBS-MAILIST] scaled k250

[roberto alvarez via Personal_Submersibles]

Hi, not sure if this is the right address for the post, since 2002 ( aprox
) i was a visitor of the psubs website, reader and spectator
i bought  the k 250 plans as guide as i will build an scaled version for a
10 meters pond, like 33 feet, i will work with A36 and  3/16 on the hull
and also 1/2 on the acrylic dome  ( i use the sub calc xls to confirm ) my
concern are the hull penetrations and  seals on the shafts, will see if the
plans confirm my idea about the  use of spring loaded  mechanical seals or
shaft seals with packing cord , will not install man view vieports, will
replace with cameras ,so the holes will be smaller viewports not bigger
than 1 inch in diameter, will work to buid it in 5 months to be ready for
the next summer .
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