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#336- 20.2' x 7' Flat Bottom
Lineage:
This 20' flat bottomed, hull design has been built by Chester Boatworks and is a derivation of our design #300. This kit is 1' skinnier and has the transom sculpted to provide for forward mounting of the engine. Unlike similar engine-forward designs the hull outboard of fthe engines is not carried to the hull bottom, and as a result this design lessens the flooding issues associated with similar engine pod designs when backing down or in a following chop.
It is constructed entirely of 1/4" plate, though 3/16" is available as a substitute. As with most of our flat-bottomed landing craft the bottom has 3" x 1 1/2" (deep) channels running fore and aft along the bottom. These channels provide panel stiffening and protection, but they also improve tracking and efficiency- the latter by virtue of trapping air between the channels at speed.
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The NC cutting kit is available with or without a fuel tank, helm console and leaning post, and of course custom design kits with any degree of changes are available.
Particulars:
Length (hull):
Beam (hull):
Wt. as rigged:
Wt. Bare Hull:
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Deadrise Angles-
20' - 2"
7' - 0" (w/o rub rails)
2,714# (115 hp outboard)
2,187#
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Flat Bottom
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Scantlings:
Bottom:
Bot. Stringers:
Sides:
Side Stringers:
Decks:
Transverse Frames:
Transom:
.250" w/ 3"x1.5" Channels
.250" Girders, flanged
.250"
.250" Shelf & 3"x.250"
.250"
.250", flanged
.250"
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Stock Weight (approx.)-
Blank Plate: 2,300# (hull)
Extrusion: 328#