Re: [CR] Scheeren v. Weinmann balsa-filled rims.

(Example: Events:Cirque du Cyclisme)

Date: Wed, 6 Jan 2010 18:36:45 -0600
From: "John Thompson" <johndthompson@gmail.com>
Organization: The Crimson Permanent Assurance
To: Classic Rendezvous <classicrendezvous@bikelist.org>
References: <4B429AE0.8030801@verizon.net>
In-Reply-To: <4B429AE0.8030801@verizon.net>
Subject: Re: [CR] Scheeren v. Weinmann balsa-filled rims.


Harvey Sachs wrote:
> Some time ago, Al Van Varick posted a for sale notice here. He wrote:
> "I have available to the CR List Members a NOS pair of Scheeren Standard
> sew-up rims in 32 drilling. These are the famous balsa wood filled rims
> from the early 1970?s.

[...]
> Does anyone know how they were made? I've sort of assumed that the balsa
> was cut into segments, and did little more than maintain the profile of
> the rim section when it was rolled into a hoop. But, that is just a
> guess. I am reasonably certain that balsa doesn't grow in hoops. :-)

I suspect the balsa was inserted into the rim prior to it being rolled into a hoop. Balsa is soft enough to bend with the rim in this process.

--

-John Thompson (john@os2.dhs.org)
Appleton WI USA