[python] Re: Tire for Breakfast?
- From: "dirk@xxxxxxxxxx" <dirk@xxxxxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Thu, 28 Apr 2011 14:00:51 +0200 (CEST)
Olaf Johansson <noll@xxxxxxxxx> hat am 28. April 2011 um 10:06 geschrieben:
>
> 28 apr 2011 kl. 00.15 skrev George Durbridge:
>
> > There is another factor, which may not apply to you. On some of our
> > roads, which are fairly rough, particularly the unsealed ones, we get
> > lower rolling resistance by lowering tyre pressure. At the lower
> > pressure the tyre deforms around a pebble, which takes less work than
> > lifting the bike over it. This has been checked by roll-down tests on a
> > hill with a roughly-sealed road: Marathons at 80 or 90 psi were quicker
> > than the same tyres at 100 psi (roughly 5.6, 6.3 and 7 bar).
>
>
> That was interesting. Low pressure should also make it easier to maintain
> balance on a python. Problem is that stretches of gravel turns up when you
> least expect it. Pumping is tedious work.
>
>
Indeed!
i don't have the big apples, but rather fat Schwalbe tires and keep them at
about 4 bar, which i find sufficient in term of rolling resistence and also
suspension.
Greetings,
Dirk
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