Re: carbon booms

From: bob prevett (bprevett@yahoo.com-DeleteThis.com)
Date: Wed Mar 12 2003 - 09:47:29 PST


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Date: Wed, 12 Mar 2003 09:47:29 -0800 (PST)
From: bob prevett <bprevett@yahoo.com-DeleteThis.com>
Subject: Re: carbon booms
To: wind_talk@opus.labs.agilent.com-DeleteThis.com
Cc: bprevett@yahoo.com-DeleteThis.com
In-Reply-To: <a05200f01ba93d887528a@[192.168.123.108]>


> What kind of experiences have people had with the
> carbon Hawaiian Proline and Fiberspar booms?

I would stay away from the Fiberspar booms. As
recently as 2 years ago, the Fiberspar carbon front
ends develop cracks, even during the first season. I
think the stiff front end epoxied onto the stiff boom
arms is just too much stress for the front end to
handle over the long term. Replacing these front ends
is a tough job, and expensive; I went through it once.
 Also, the twist lock back-ends wear out easily; not
too tough to replace, though.

I switched to a Chinook carbon boom with the plastic
front end. The boom is solid, not quite as stiff as
the Fiberspar, but still very good. The back end is a
rugged pin design that won't wear out. The front end
is easily replaced if any cracks develop ( just 4
screws ). As with the aluminum Chinoooks, the
plastic front ends are a likely source of boom
failure. However, the key is to periodically inspect
the front end for cracking and replace proactively
before a failure on the water. This is my third
season on the Chinook, and no problems yet; still have
the original front end. It has held upmuch better
than the Fiberspar did.

My $0.02

BobP

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