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Mtw13ve Gast
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28-08-2002, 23:16 Titel: analyze load sensor data? |
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Is there a way to convert the voltage output of the load cell sensor into temperature units?
Does anyone have reference data for this?
Thanks. |
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ulf Profi-Schrauber

Mitglied seit: 13.04.2002 BeitrÀge: 11058 Karma: +18 / -0 Wohnort: Saarland 2023 MG ZS Premium Support
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29-08-2002, 16:45 Titel: Subject to conditions |
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Hi
If you have the same intake air sensor in your engine computer as I do, you can evaluate the voltage between the sensor and ground approximately as follows:
4.4 V = 0°
3.9 V = 20°
3.2 V = 40°
2.3 V = 60°
1.5 V = 80°
Interpolate between these values using Pi x thumb.
This should be sufficient for the intake air. GruĂ Ulf
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Mtw13ve Gast
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29-08-2002, 19:50 Titel: analyze load sensor data? |
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cool, thanks! :lol:
Can you also tell me what the ideal intake timing at engine start would be? 30°???
thanks
chris |
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Animalking Gast
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29-08-2002, 20:07 Titel: analyze load sensor data? |
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That's all I can say: the colder, the better!!  |
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Mtw13ve Gast
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29-08-2002, 20:14 Titel: analyze load sensor data? |
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no, that's not right... because at some point, the diesel won't ignite properly anymore... so, give me a number...  )
bye |
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Animalking Gast
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30-08-2002, 1:24 Titel: analyze load sensor data? |
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Hehe
But I think that with the temperatures here in Europe, there should never be a problem with misfires due to the low temperatures. At most, it might be a problem when starting, but in the age of direct injection, this is no longer an issue!!! However, the cold start performance of diesel engines is still quite poor, so it can take half an hour for the engine to warm up  |
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Uwe Profi-Schrauber

Mitglied seit: 15.04.2002 BeitrÀge: 1004 Karma: +5 / -0 Wohnort: Westerwald
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30-08-2002, 7:52 Titel: analyze load sensor data? |
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Hey!
Due to a compression ratio of approximately 20:1, the temperature in the combustion chamber increases to over 700 degrees! The lower the initial temperature, the more air enters the cylinder. This is always sufficient for ignition. Therefore, the cooler, the better.
However, your control unit responds to the ambient temperature. Our TDIs perform significantly worse above approximately 15 degrees. We have not yet found a reason for this, apparently the cause lies more in the control unit than in the cylinder filling. With your larger LLK (likely referring to a larger air intake system), you will not necessarily achieve a power increase. Compare this to a drive in light rain, where optimal cooling is achieved. In this case, you will also not have more Nm.
Best regards, Uwe |
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Mtw13ve Gast
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30-08-2002, 9:49 Titel: analyze load sensor data? |
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I'm also not just talking about a larger LKW, but more about a more efficient one, with a larger frontal area for the same volume, etc.
Best regards, |
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SST Gast
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07-09-2002, 15:24 Titel: analyze load sensor data? |
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How about an LLK made of copper, I've seen that before. |
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Mtw13ve Gast
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08-09-2002, 14:46 Titel: analyze load sensor data? |
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oxidized! |
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