sorry to bring up OT, but I'm reminded of a favorite Car and Driver 
editorial - speed v. velocity.  100 mph in an exotic GT is velocity.  100 
mph in a bugeye Sprite is Speed.  

On Wednesday, March 30, 2016 at 6:44:43 AM UTC-5, ascpgh wrote:
>
> Funny how the sensation of being on the knife's edge of performance on a 
> bike, with increased vibration and increased feel of the road surface is 
> processed as "faster" in the brain. 
>
> Sensory inputs that release the fight or flight substances in the brain 
> must be at play. Scientific interpretation of that is tough. A roller 
> coaster purposely plays with those, a take off in an airliner is a much 
> greater demonstration of physics but feels much less impressive. 
>
> Andy Cheatham
> Pittsburgh
>
>
> On Tuesday, March 29, 2016 at 3:04:07 PM UTC-4, Patrick Moore wrote:
>>
>> I don't believe that this is nearly as true as claimed. At any rate, it 
>> certainly isn't my experience, which is instead ease of maintaining a given 
>> cadence in given conditions in given gears. In fact, my own "sense" of 
>> speed is much more tied to smoothness than vibration -- Elk Passes, Parigi 
>> Roubaix, F Freds, etc feel fast in part because they *don't* vibrate.
>>
>> [Close parenthesis.]
>>
>> On Tue, Mar 29, 2016 at 12:27 PM, Ron Mc <bulld...@gmail.com> wrote:
>>
>>> but most riders think the feel of road vibration = speed, hence the 
>>> desire to pump to max rated pressure.  I was specifically talking about two 
>>> different tires but both running well below rated pressure - no vibration 
>>> whatsoever and only one of them giving occasional shock - and yes, you know 
>>> for sure when you're trying to chase a tandem with two healthy riders.  
>>> -- 
>>>
>>
>>
>>
>> -- 
>> Resumes, LinkedIn profiles, bios, and letters that get interviews.
>> By-the-hour resume and LinkedIn coaching.
>> Other professional writing services.
>> http://www.resumespecialties.com/
>> www.linkedin.com/in/patrickmooreresumespec/
>> Patrick Moore
>> Alburquerque, Nouvelle Mexique,  Vereinigte Staaten
>> *************************************
>> ***************************************************
>> *The point which is the pivot of the norm is the motionless center of a 
>> circumference on the contours of which all conditions, distinctions, and 
>> individualities revolve. *Chuang Tzu
>>
>> *Stat crux dum volvitur orbis.* *(The cross stands motionless while the 
>> world revolves.) *Carthusian motto
>>
>> *It is *we *who change; *He* remains the same.* Eckhart
>>
>> *Kinei hos eromenon.* (*It moves [all things] as the beloved.) *Aristotle
>>
>>
>>

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