Re: "Humans 'very likely' making earth warmer" is wrong

02-05-2007, 09:24 PM

Mark Hickey wrote:
> Bill Baka <[Only registered and activated users can see links. ]> wrote:
>
>> About ten years ago I devised a simple test to see how much power was
>> wasted just by turning the engine over. Using my gas guzzling 1966 Mopar
>> I hit 70 MPH and then coasted down to 60, in drive. 7 seconds.
>> Same test again only in neutral. 14 seconds.
>> Where did the extra coast come from? Duh, I think it's the engine.
>> If you can't do semi-simple math don't comment.
>
> OK Bill, you win. You're smarter than all the automotive engineers in
> the world, and are capable of getting results that us mere mortals
> will never achieve. And I'm sure engine braking had nothing to do
> with it - race drivers don't really do that to save the brakes - they
> do it 'cuz it sounds neat.

I'd hope there was some advantage -- it seems silly to save wear on
cheap brake linings by wearing out expensive engine and clutch parts.

--
Cheers, Bev
===================================
New sig on order, watch this space.

02-06-2007, 04:33 AM

The Real Bev <bashley101+[Only registered and activated users can see links. ]> wrote:

>Mark Hickey wrote:
>> Bill Baka <[Only registered and activated users can see links. ]> wrote:
>>
>>> About ten years ago I devised a simple test to see how much power was
>>> wasted just by turning the engine over. Using my gas guzzling 1966 Mopar
>>> I hit 70 MPH and then coasted down to 60, in drive. 7 seconds.
>>> Same test again only in neutral. 14 seconds.
>>> Where did the extra coast come from? Duh, I think it's the engine.
>>> If you can't do semi-simple math don't comment.
>>
>> OK Bill, you win. You're smarter than all the automotive engineers in
>> the world, and are capable of getting results that us mere mortals
>> will never achieve. And I'm sure engine braking had nothing to do
>> with it - race drivers don't really do that to save the brakes - they
>> do it 'cuz it sounds neat.
>
>I'd hope there was some advantage -- it seems silly to save wear on
>cheap brake linings by wearing out expensive engine and clutch parts.

On the road, you betcha... but on the race track, you try to save your
brakes by using engine braking.

Mark Hickey
Habanero Cycles
[Only registered and activated users can see links. ]
Home of the $795 ti frame