Re: [baidarka] sonotube kayak

Craig O'Donnell (
Wed, 13 May 1998 22:53:42 -0400

Date: Wed, 13 May 1998 22:53:42 -0400
Message-Id: <l03110701b17fd3ab04c0@[]>
In-Reply-To: <>
From: "Craig O'Donnell" <>
Subject: Re: [baidarka] sonotube kayak

>Craig O'Donnell wrote:
>> I considered these tubes as floats for an outrigger sailing canoe, there
>> would have been a layer of fiberglass or other fabric w/ epoxy over the
>> outside.
>Why bother with cardboard: its heavy and the extra work does not seem
>tempting. INdustrial use fiberglass tubes exist too (light poles and the

Well, yes, this is true, but an industrial fiberglass pipe is likely to be
very heavy and quite costly. A sonotube is cheap, or perhaps even free. Cut
one in half, you have two round bottom outrigger floats.

>I will be modifying my kayak to bear a 2 sq metre battened sail (idea
>devised from your page Craig ...) and will go for light PVC instead.

Look out! Look out! <grin>. You do have to "core" the PVC tubes with
something or they are too limp. I've wondered about using the spray-can
polyurethane foam insulation and letting it fill the PVC up.

Craig O'Donnell
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-- Professor of Boatology
-- Junkomologist
-- Macintosh kinda guy
Friend of Wanda the Wonder Cat, 1991-1997.