Re: [CR] The Elswick-Hopper Convincable was L'Integral

(Example: Events:Cirque du Cyclisme:2004)

From: "kevin sayles" <>
To: Edward Albert <>, Mark Stonich <>, <hsachs@alumni.rice>
References: <> <> <>
Date: Sun, 15 Nov 2009 15:24:35 +0000
Cc: Classic Rendezvous <>
Subject: Re: [CR] The Elswick-Hopper Convincable was L'Integral

Hi Edward,

Had a look at your bikes on well as the Elswick Hopper, which is certainly a interesting machine....... my eye was drawn to your lovely 1954 Bianchi Campione Del Mondo.......with those mudgaurds [fenders].......absolutely stunning!

Nice collection.

Cheers...Kevin Sayles
Bridgwater Somerset UK

----- Original Message -----
From: Edward Albert
To: Mark Stonich
Cc: Classic Rendezvous
Sent: Sunday, November 15, 2009 11:47 AM
Subject: Re: [CR] The Elswick-Hopper Convincable was L'Integral

> Here are some pics of an Elswick Hopper Convincible I found in a local
> attic.
>>From Conversations with Peter Brown, whose bike is up on the Classic
> lightweight site, his is a prototype while mine seems to have been
> actually
> in production (decal sheets still in existence show 60 sets missing). It
> is, however, the only complete and original Convincible in existence to
> date.
> Edward Albert
> Chappaqua, New York, U.S.A.
> On Sat, Nov 14, 2009 at 10:43 PM, Mark Stonich
> <>wrote:
>> Harvey,
>> If you like far out bikes like the L'Integral, the Elswick-Hopper
>> Convincable may also interest you.
>> Not quite as many inventive details but still pretty neat.
>> At 11/14/2009 09:17 PM -0500, Harvey Sachs wrote:
>>> Although I do like Funk, "L'Integral" isn't funk, but a single example
>>> of
>>> some really neat ideas - and some that have not proved in - and is well
>>> worth spending a few minutes looking at some really neat pix.
>>> --> Of course, the original reference was to the double-down tube,
>>> doubled-seat-tube "ladder" construction, with the chainrings inboard.
>>> Neat.
>>> --> And that pair of really radical elliptical chainrings! Woolly
>>> indeed!
>>> --> Now, look at the BB. That's not an eccentric. Note the hinge just
>>> forward and under the downtube. To figure this out, look at the pix of
>>> the
>>> hubs and fork ends. They have the bearings attached to the forks, so
>>> the
>>> axles rotate on a rigid hub. Look how easy it is to drop out a wheel
>>> (sprung cam-over QRs for the wheels), and how you don't have any size
>>> constraints on the bearings (unlike the right side of regular rear
>>> hubs)! I
>>> sketched this kind of assembly decades ago, and I'm tickled to see how
>>> nicely it's been executed here.
>>> Besides, the lugless work and pin striping are tres cool.
>>> This is one wild, original, and carefully thought-out bike, and I wish I
>>> could afford one.
>>> harvey sachs
>>> mcLean va.
>>> Hilary Stone found great pix:
>>> There's an L'Integral here...
>>> _______________________________________________
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>> Mark Stonich;
>> BikeSmith Design & Fabrication
>> 5349 Elliot Ave S. Minneapolis, Minnesota 55417 USA
>> Ph. (612) 824-2372