Re: Can Too High Gears be Lowered on SRAM Dualdrive?

In news:7tSdnaOhuoJY6bTVRVnytQA@[EMAIL PROTECTED]
 <bugbear@[EMAIL PROTECTED]
> tweaked the Babbage-Engine to
tell us:
> Dave Larrington wrote:
>> In news:68rrd2F2u162aU1@[EMAIL PROTECTED]
>> Peter Clinch <p.j.clinch@[EMAIL PROTECTED]
> tweaked the Babbage-Engine to
>> tell us:
>>> Artemisia wrote:
>>>> Peter Clinch wrote:
>>>>
>>>>> It's worth noting that this is only a problem on /seriously/ steep
>>>>> hills (see http://en.wikipedia.org/wiki/Koppenberg).
 But with
>>>>> muddy tracks it's quite easy to run out of traction.  At which
>>>>> point you get off and push...
>>>> My hill is seriously steep.
>>> How seriously?  Koppenberg is famously difficult for
>>> /professionals/.  What's the actual gradient?  There should be no
>>> trouble with traction on a typically surfaced 20% hill, and those
>>> are very unusual.
>>
>> Koppenberg is about 20%; the problem is that there is sand between
>> the cobblestones, so if the rear wheel gets into a longitudinal gap,
>> you are stuffed.  I've done 25% a few times, most notably Bushcombe
>> Lane:
>
> Longstaff "double drive" sounds helpful here.

Not if the trike in question is a re***bent with a single rear wheel,
thobut
:-)

I've got a Ken Rogers upright trike with 2WD, but have yet to use it in 
anger, on account of it having no brakes.


-- 
Dave Larrington
<http://www.legslarry.beerdrinkers.co.uk>
External Transparent Wall Inspection Operative.