Max Temp reading on a '97 OH Console

[allmyEXes]

I was wondering if anyone knows what the factory design maximum temperature reading is on the overhead console in a 1997 Explorer. I know from reading here on this forum where the sensor is located. It's nice to know the outside temp and me and the wife watch it regularly when we get in the truck and check the temperature before we start rolling and watch it drop as we go faster (wind chill effect). I was considering relocating the sensor to the interior so that when we get in the (Dark Blue) Explorer we can read what we are feeling inside. Then as we get rolling watch the temp drop. You may ask why but we are not using AC here in the sunny, soaking, sweaty south USA. For one it doesn't work and if it did we could watch the gas gauge drop steadily. Has anyone done this modification and maybe someone in the southwest US could tell me what maximum reading you have experienced. I hear it is a dry heat out there in the dessert. ;-)

 

[Mbrooks420]

Typically driving with the windows down is less fuel efficient than running the AC. I’d not want to know how miserably hot it was inside the car.

When the temp drops when you start moving it is not wind chill effect. It’s the sensor cooling off to ambient temperature after being heat soaked from the extra temperature of the hot truck. Wind chill, or speed has no effect of the temperature sensors reading.

 

[allmyEXes]

MB 420 you are correct.
From Wiki:
[A surface loses heat through conduction, convection, and radiation.[1] The rate of convection depends on both the difference in temperature between the surface and the fluid surrounding it and the velocity of that fluid with respect to the surface. As convection from a warm surface heats the air around it, an insulating boundary layer of warm air forms against the surface. Moving air disrupts this boundary layer, or epiclimate, allowing for cooler air to replace the warm air against the surface. The faster the wind speed, the more readily the surface cools.
The effect of wind chill is to increase the rate of heat loss and reduce any warmer objects to the ambient temperature more quickly. Dry air cannot, however, reduce the temperature of these objects below the ambient temperature, no matter how great the wind velocity.]

So the chill we feel when turbulent air passes across our sweaty skin and wet t-shirts is actually Evaporative Cooling...
I'm still wanting to know the maximum temperature that FoMoCo designed in to the OH console thermometer device. When you western U.S.ers wake up, let me know...

 

[allmyEXes]

When the temp drops when you start moving it is not wind chill effect. It’s the sensor cooling off to ambient temperature after being heat soaked from the extra temperature of the hot truck. Wind chill, or speed has no effect of the temperature sensors reading.

Ok M420. Explain this one to me. I'm currently watching the local weather and the Weather man says the temp is 86. the dew point is 57 and the heat index is 84. How can it feel 84 when the temp is 86?

 

[Mbrooks420]

Ok M420. Explain this one to me. I'm currently watching the local weather and the Weather man says the temp is 86. the dew point is 57 and the heat index is 84. How can it feel 84 when the temp is 86?

Hoping this is a joke. If not... It’s a “feeling”. Just like it “feels” hotter (to a living thing) at 95% humidity. A thermometer doesn’t have feelings. If the temperature is 85, it will read 85.

 

[Collin Whitfield]

I've seen the console read as high as 121F out here in sunny Arizona! Its's not that hot...it's a dry heat...

 

[donalds]

The humidity is what makes it FEEL like it's hotter
Here in nc humidity is 90 to 100 percent
Most of the time in the summertime

 

[allmyEXes]

now i'm really confused. LOL

 

[koda2000]

Try getting into a 200 degree plus dry sauna and then dump a ladle of water on the rocks and you'll quickly learn all about how humidity effects the feel of temperature.

 

[Turdle]

My truck gets the same fuel mileage with ac on as it does with windows down.

Evaporation results in cooling. This is how swamp coolers ( evaporative coolers) work in dry hot climates.

So, if it is hot enough to make you perspire, and, the humidity is low enough for the perspiration to evaporate, then the perspiration will do it's job and cool you down. This is how the "feels like" temp can be lower than actual temp on a hot day.

I was amazed by this when we were in Moab. 96 degrees with a breeze feels like mid to low 80's, we had the windows down with no ac while we were there. No swamp ass. It was awesome.

 

[lobo411]

The amount of gas you save by running with the windows rolled down is basically a rounding error ime.

 

[Mbrooks420]

The amount of gas you save by running with the windows rolled down is basically a rounding error ime.

You don’t save gas with the windows down.

 

[CDW6212R]

My truck gets the same fuel mileage with ac on as it does with windows down.

Evaporation results in cooling. This is how swamp coolers ( evaporative coolers) work in dry hot climates.

So, if it is hot enough to make you perspire, and, the humidity is low enough for the perspiration to evaporate, then the perspiration will do it's job and cool you down. This is how the "feels like" temp can be lower than actual temp on a hot day.

I was amazed by this when we were in Moab. 96 degrees with a breeze feels like mid to low 80's, we had the windows down with no ac while we were there. No swamp ass. It was awesome.

Swamp ass, that's awesome. I get that at work a lot, with the AC on.

I've seen the OH console show here in the 110-115 a few times, basically full sun hitting the front of the truck in 95* temps. The display only shows real temperature when the vehicle is moving, as the incoming air removes the transferred heat from the sensor behind the grille.