[DeTomaso] NPC : Diesel redline

[dave londry]

That's it. The Diesel Cycle is just plain different.
The "Ideal Diesel Cylce" produces the same cylinder pressures (so same 
torque) through it's rev range.
It does that because it can match up the air content in the cylinder 
with the right amount of fuel.
So at no load - almost no fuel.
At high load - as much fuel as that amount of air can burn.

A real one can't do that, but it can try.
dave

On 13/02/2014 1:15 PM, thomas wrote:
> Diesels inject fuel during the entire combustion vs the gasoline 
> engine that has the entire fuel/load in the cylinder before ignition. 
> I think this also causes a slower cycle.
>
>
> 13 feb 2014 kl. 21:38 skrev Julian Kift <julian_kift at hotmail.com 
> <mailto:julian_kift at hotmail.com>>:
>
>> Charlie,
>>
>> I think the lower diesel rev limit has to do with a combination of 
>> higher compression ratios requiring longer strokes and the fact 
>> diesel burns a lot slower than gasoline.
>>
>> Julian
>>
>> ------------------------------------------------------------------------
>> From: charlesmccall at gmail.com <mailto:charlesmccall at gmail.com>
>> To: detomaso at poca.com <mailto:detomaso at poca.com>
>> Date: Thu, 13 Feb 2014 20:33:19 +0100
>> Subject: [DeTomaso] NPC : Diesel redline
>>
>> Hi all
>>
>> Driving home in my (diesel) car this evening and had nothing better 
>> to do than look at my tach.
>>
>> Why don’t diesel cars rev as high as petrol powered cars?
>>
>> Because they can’t, or because they don’t need to?
>>
>> With much more low-end torque than a gas car, they don’t need to rev 
>> as high to move along. Is it their cam selection that makes all that 
>> low end torque and limits revs or something specific to the diesel 
>> technology? If it were cam selection, they could do the same to a gas 
>> engine I suppose…
>>
>> What is redline of the Le Mans winning Audi?
>>
>>
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