Date   : Sun, 21 Nov 2010 13:26:36 -0000
From   : jumbos.bazzar@... (Mark Haysman)
Subject: [OT] Who'da thought...

----- Original Message ----- 
From: "Adam Sampson" <ats@...>
To: <bbc-micro@...>


> Rick Murray <rick@...> writes:
>
>> If you don't have a choke, you DO have an ECU.
>
> Not necessarily: my MkII Golf has an automatic choke, but the control
> system for it (and the ignition timing) is mechanical, working its way
> through a multi-stage sequence as the engine warms up using
> temperature-sensitive and time-delay valves driven by the engine vacuum.
> It's really impressive that it works at all; I can't imagine that it was
> easier or cheaper to build than an electronic system.

Aye, Bosch K Jetronic fuel injection systems are fully mechanical in 
operation, and don't have a choke.

Mark.

PS. For those having a QQ about OT posts, use message rules to direct things 
with [OT] to spam if you don't like it. Having a chat about other things is 
fine with me.