Re: Torque vs. HP explained in 90 seconds
From: Rick Moseley (ramoselpacbell.net)
Date: Thu, 5 Mar 2015 18:05:05 -0800 (PST)
True, in the strange world of motion physics both statements work.  They are not mutually exclusive.  Both elements are dependent on the other. And yet can be measured independently. 




On Mar 5, 2015, at 5:55 PM, Pat Scopelliti <pscopell [at] stny.rr.com> wrote:

I always heard it as torque determines acceleration, but horsepower determines top speed

 

Pat

 

Pat Scopelliti

pscopell [at] stny.rr.com

From: Ferrari [mailto:ferrari-bounces+pscopell=stny.rr.com [at] ferrarilist.com] On Behalf Of Rick Moseley
Sent: Thursday, March 05, 2015 7:38 PM
To: Pat Scopelliti
Cc: The FerrariList
Subject: Re: [Ferrari] Torque vs. HP explained in 90 seconds

 

You got it... It's subtle, but there is a difference between quick and fast. 

Rick

 


On Mar 5, 2015, at 4:30 PM, Fellippe Galletta <fellippe.galletta [at] gmail.com> wrote:

Rick,

 

I agree with the quote....it's definitely true.

 

It also explains why a car with a torque monster motor  often feels faster than a car with a peakier motor that's actually faster. 

 

FG

 

On Thu, Mar 5, 2015 at 7:11 PM, Rick Moseley <ramosel [at] pacbell.net> wrote:

Great presentation on how an electric motor delivers maximum torque at 0 (zero) RPM.  

 

  I had the privilege of working a few weeks in Ed Pink's shop one summer during High School (a favor to my older brother).  One Friday evening a few legendary drag racers showed up.  So I asked them to explain the relation between HP and Torque.   Mert Littlefield gave me the best and shortest answer I've ever heard.   

 

Torque provides acceleration, Horsepower sustains torque.  

 

I have a few friends today who are on the top rung of race motor engineering and when I repeat Mert's quote... They scratch their heads, think about it a bit and reluctantly say "yup".  They all say there is more to it... but it takes a lot more words to say the same thing in engineering speak.  Just about everyone has written it down... The one who didn't I know has a photographic memory.  

 

Rick

 


On Mar 5, 2015, at 3:08 PM, Fellippe Galletta <fellippe.galletta [at] gmail.com> wrote:

Enjoy,

 

 

FG

 

ps - The guy running the F12 said he averaged a 10.8 @ 132

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