Here are some pics of an Elswick Hopper Convincible I found in a local
attic.
http://www.wooljersey.com/
>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 <mark@bikesmithdesign.com>wrote:
> Harvey,
> If you like far out bikes like the L'Integral, the Elswick-Hopper
> Convincable may also interest you.
> http://www.classiclightweights.co.uk/
> 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...
>>
>> http://www.reneherse.com/
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> Mark Stonich;
> BikeSmith Design & Fabrication
> 5349 Elliot Ave S. Minneapolis, Minnesota 55417 USA
> Ph. (612) 824-2372 http://bikesmithdesign.com
> http://mnhpva.org _______________________________________________