F
Frank Krygowski
Guest
Bill Z. wrote:
> Frank Krygowski <[email protected]> writes:
>
>>
>>If you think the shape of a typical bike helmet allows the airflow to
>>smoothly converge behind the helmet, you must know very, very little
>>about practical aerodynamics.
>
>
> It has to reduce drag relative to a completely symmetric helmet, and
> not by very much. BTW, it is well known that you will speed up if
> someone is drafting you - you'll put out more effort than the person
> behind but you'll still go faster than if you were riding alone.
> Filling in the are behind the cyclist (or behind the head) helps.
Yes, you've just proven conclusively how little you know about practical
aerodynamics.
Carry on, Bill. You're fun to watch!
--
--------------------+
Frank Krygowski [To reply, remove rodent and vegetable dot com,
replace with cc.ysu dot edu]
> Frank Krygowski <[email protected]> writes:
>
>>
>>If you think the shape of a typical bike helmet allows the airflow to
>>smoothly converge behind the helmet, you must know very, very little
>>about practical aerodynamics.
>
>
> It has to reduce drag relative to a completely symmetric helmet, and
> not by very much. BTW, it is well known that you will speed up if
> someone is drafting you - you'll put out more effort than the person
> behind but you'll still go faster than if you were riding alone.
> Filling in the are behind the cyclist (or behind the head) helps.
Yes, you've just proven conclusively how little you know about practical
aerodynamics.
Carry on, Bill. You're fun to watch!
--
--------------------+
Frank Krygowski [To reply, remove rodent and vegetable dot com,
replace with cc.ysu dot edu]