[s-cars] Blower squeak

[Joshua van Tol]

But the intellectual property required to make said IR sensors work  
worth a hoot is a major thing. Actually, using those air temp sensors  
to control comfort is a major thing as well, but it's different.  
Also, those IR sensors, superior though they are (with the right  
algorithm) are quite expensive. Also, did you ever notice what  
holding a cup of hot coffee in the line of sight of the sensor will do?

I used to work in the biz doing software engineering on such systems,  
and it's really not trivial.



On May 23, 2007, at 8:51 AM, Taka Mizutani wrote:

> If they engineered it correctly, there would be a $50 mini-filter  
> for the
> dash intake that requires dash removal to replace and about 18hrs.  
> of labor.
> There would also be a monitoring device for the filter replacement  
> that
> would beep at you incessantly in the auto-check system if said  
> filter was
> not replaced and the monitor reset via VAG-COM.
>
> :-)
>
> The IR sensors on the Volvo and the Subaru seem to work fine w/o  
> any fancy
> intake fans.....
>
> Taka
>
> On 5/23/07, Bill Noland <wenoland at pacbell.net> wrote:
>>
>> This design must have come from the engineering interns. Dirt is
>> guaranteed to fall down the vent into the fan -- just like Timmy is
>> guaranteed to fall down the well (and be subsequently rescued by  
>> Lassie).
>>
>> Bill N
>>
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