but what if your destination was the workplace/office? me? i'm always late so i might imagine i
would be in a rush one way, and at the end of the day, i would make it a leisurely ride. especially
since it's cool in the morning and triple digits in the late day.
???
eric
fresno, ca.
> From: "Steve Blankenship" <
[email protected]> Newsgroups: rec.bicycles.tech Date:
> Fri, 20 Jun 2003 21:29:39 -0400 Subject: Re: should the uphills be steep - or the downhills?
>
> "larry english" <
[email protected]> wrote in message
>
news:[email protected]...
>> "Harris" <
[email protected]> wrote in message
> news:<
[email protected]>...
>>> "larry english" wrote:
>>>> say you wanted to go on a trip from home. the route has some hills. these hills are unusual. as
>>>> you leave home, all the downhills are steep, but climbing back up
> each
>>>> one is a long gentle slope. you will take the same way back. which way would you expect to be
>>>> faster and why?
>>>
>>> The trip back should be faster, though maybe not as much fun.
>>>
>>> On the way out: Going down the steep hills will probably require you to brake, and the braking
>>> will convert kinetic energy into heat.
> Aerodynamic
>>> losses will also be greater on the steep descents.
>>>
>>> On the way back: Assuming you pace yourself on the steep climbs, and use appropriate gears, your
>>> legs shouldn't seize up. And you'll cruise down
> the
>>> gentle descents without much braking. Much less energy lost this way.
>>
>> ok, that's good.
>>
>> but - i neglected to say, no braking is required.
>>
>> and maybe it can;t be answered, without knowing how good a climber one is.
>>
>> assume, average climbing ability, does that help?
>>
>> wle.
>
> Troublemaker. ;-) Depends on a lot of variables, but assuming your scenario is a non-technical
> out-n-back, where the descents are twice as steep as the climbs on the way out and the reverse on
> the return, you would be faster on the way out. This assumes a constant power output both up AND
> down the hills (say 270 watts) and a small frontal area reduction from tucking on the descents.
>
> Yeah, I cheated... www.analyticcycling.com