What did you do to your NBS GMT800 Tahoe/Yukon Today?

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iamdub

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Wow man. There’s a lot of work involved. I figured we get the right length, and should be gtg. Dammit.

Good video by the way.

It's not much work at all. That IS all it is. Run the calcs and stick the pipe on there. Measuring the temp is probably the most involved, but you can get that with an infrared thermometer. I'd measure it at the merge at the Y-pipe.
 

Sam Harris

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It's not much work at all. That IS all it is. Run the calcs and stick the pipe on there. Measuring the temp is probably the most involved, but you can get that with an infrared thermometer. I'd measure it at the merge at the Y-pipe.
I’m not sure how the temp changes the calculation..? I know temp will affect the sound wave, but how do I account for that?
 

iamdub

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I’m not sure how the temp changes the calculation..? I know temp will affect the sound wave, but how do I account for that?

The speed of sound varies considerably with temperature. Since the speed of sound is a major factor in the formula, you need to know the speed of it at X temperature. You can look up the speed of sound at various temperatures simply by Googling. I just typed in "speed of sound at 500 degrees" and a pertinent clip of a table was the first result. Here's a page showing it in various charts with a handy unit converter in the left toolbar to make it even more plug-and-play for your equation: https://www.engineeringtoolbox.com/air-speed-sound-d_603.html
 

Sam Harris

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The speed of sound varies considerably with temperature. Since the speed of sound is a major factor in the formula, you need to know the speed of it at X temperature. You can look up the speed of sound at various temperatures simply by Googling. I just typed in "speed of sound at 500 degrees" and a pertinent clip of a table was the first result. Here's a page showing it in various charts with a handy unit converter in the left toolbar to make it even more plug-and-play for your equation: https://www.engineeringtoolbox.com/air-speed-sound-d_603.html
Thanks man!
 

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