And for another variation, see:
http://smg.photobucket.com/
for photos of my 1951 Excel.
Neil Foddering Weymouth, Dorset, England
>From: oroboyz@aol.com
>To: classicrendezvous@bikelist.org
>Subject: [CR]Seat stay design: varying seat tube connection pt.
>Date: Sat, 29 Jul 2006 09:40:58 -0400
>
>Illustrating the extremes of what you guys are talking about: this steel
>prototype frame was shown at the Interbike show in 2001...
>
>http://www.cyclesdeoro.com/images/Interbike%20Shows/InterBike01/Grail_1.j
>pg
>
>Dale Brown
>Greensboro, NC USA
>
>
>-----Original Message-----
>From: theonetrueBob@webtv.net
>To: classicrendezvous@bikelist.org
>Sent: Sat, 29 Jul 2006 2:34 AM
>Subject: [CR] Seat Stays: dynamic effect of varying seat tube connection
>pt.
>
> Hi Don,
>
>Interesting question! Now, if we're bracing stays across the seat tube
>to anchor along the top tube, would the "Mixte" concept also count?
>
>And, what exactly would we looking for in terms of an "excellent riding
>bicycle"?
>
>Personally, I tend to view modern CF "compact" road racing frames as
>mutations - with just a lowered top tube and a truncated seat tube...
>and then an absurdly long seatpost is shoved out the top like a circus
>bike. Today, even a typical Cannondale is also commonly made with a
>greatly extended seat tube protruding way beyond the level of the top
>tube, and they are even measured to the top of that extension.
>
>How do these fit into the whole scheme
>
>Couldn't you say that an actual mounting point of a seat stay should
>really be considered "lowered" on some bikes - if you consider some
>imaginary "virtual" top tube horizontal line based on... perhaps the
>head tube height?
>
>Cheers!
>
>Bob fist-full-of-post Hanson,
>Happily straddling my too-tall bikes,
>in Albuquerque, New Mexico, USA
>
>-----------------------
>
>Don Wilson wrote:
>
>Frame builders have connected seat stays to the side of the seat
>cluster, to the underside of the binder bolt mount in the seat cluster,
>to the back of the binder bolt where the seat cluster is, and Hetchins
>among others have routed the seat stays several inches down the seat
>tube and extending to connect with the top tube several inches ahead of
>the seat cluster.
>What is the dynamic effect of moving the seat stay connection point up
>or down the seat tube (other things being equal)?
>
>How far down a seat tube could the seat stay contact point be lowered
>and still result in an excellent riding bicycle?
>
>Don Wilson
>Los Olivos, CA USA