Basic Pressure Hulls are available in the following sizes:
Inside Diameter:
2.75"
(6.985 cm)3.00"
(7.620 cm)3.75"
(9.525 cm)Outside Diameter:
3.00"
(7.620 cm)3.25"
(8.255 cm)4.00"
(10.16 cm)Lengths:
6" and 12"
6" and 12"
6" and 12"
(15.24 and 30.48 cm)
Mark II Basic Pressure Hull:
2.75" i.d. , 3.00" o.d. x 27"
long (6.985 cm i.d., 7.62 cm o.d. x 68.58 cm long) - pressure hull, ballast tank, and Ni-Cad battery compartment all in one unit. The Mark II is a do-it-yourself version of the "WTC" concept. Can be shortened to be fit almost any hull.