----- Original Message ----
From: Jon Wennerberg
<jonwennerberg@nancyandjon.org>
To: Ed Van Scoy <ed@vetteracing.com>;
land-speed submit <land-speed@autox.team.net>
Sent: Monday, July 21, 2008
1:18:53 PM
Subject: Re: [Land-speed] Tires,Mileage,etc/non LSR ?
On Jul 21,
2008, at 4:11 PM, Ed Van Scoy wrote:
I didn't understand the
author'sassertion that diesels do not hqve a throttle... unless he is
usingit
in a different context than I - as a means of regulatingengine speed.
Ed
----
Well, maybe he meant that they don't have a butterfly in the
venturi
-- no throttle plate, so to speak.
That's precisely what he was
getting at. Technically a "Throttle" is a valve which restricts fluid flow.
On a gas engine, the throttle is the butterfly valve that restricts the air
flowing into the engine, which then creates a vacuum behind it. Diesels do
not have this, and it is not correct to call the injectors or anything
controlling the injectors a "Throttle".
A pedal controlling a throttle can
also be called a throttle, but again, it wouldn't be correct to call the pedal
in a diesel automobile a "Throttle". "Accelerator" would be a better term.
Mike
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