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Re: Other: Polyethylene
By:Brad
Date: 4/8/2011, 7:56 pm
In Response To: Re: Other: Polyethylene (Charlie)

Question...1. What is the name of Nick's book you recommended? Thanks for all the information

: I want to reinforce what Bill Hamm said.
: In the past all the fiberglass canoe producers maintained a shop
: where all their prospective designs were first built using the
: strip-building process. Today kayaks are more numerous than
: canoes because they can be produced cheaply in big numbers using
: rotomolding. The rotomolding process can produce hull shapes
: that cannot be easily dupicated in strips. So I don't know if
: strip-building is the favored way of building one-off
: test-models. But they certainly have to build test models before
: they shell out $1500 per foot for a rotomolding mold. And even
: if you have a mold you have to have a machine worth a couple of
: hundred thousands of dollars to spin it for the molding process.

Messages In This Thread

Other: Polyethylene
Brad -- 4/6/2011, 11:14 am
Re: Other: Polyethylene
Reg Lake -- 4/6/2011, 12:39 pm
Re: Other: Polyethylene
Robert Livingston -- 4/7/2011, 2:39 am
Re: Other: Polyethylene
Bill Hamm -- 4/6/2011, 3:39 pm
Re: Other: Polyethylene
Charlie -- 4/7/2011, 11:35 pm
Re: Other: Polyethylene
Brad -- 4/7/2011, 11:41 pm
Re: Other: Polyethylene
Bill Hamm -- 4/8/2011, 7:53 am
Re: Other: Polyethylene
Charlie -- 4/8/2011, 5:45 pm
Re: Other: Polyethylene
Brad -- 4/8/2011, 7:56 pm
Re: Other: Polyethylene
dave g -- 4/8/2011, 9:45 pm