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Btu capacity
Topic Started: May 14 2018, 12:28 AM (171 Views)
Sataninside
Fresh Fish
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How many btu's is the AC system in the 3 door metro hatchback?
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geogonfa
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First...
Welcome to the Fun... :greet

That is a good question, though I don't know if it's ever been listed, I'm guessing you could do the math.
Anyhow, here is a link to the A/C section of the FSM:
https://docs.google.com/file/d/0ByZnrvyffe1KcE1rdGFGUElpeVk/edit

Just a query...For what purpose do you need this info?

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MR1 Kingsbury
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Exp. builder/rebuilder

Well judging from his name, my guess is he's trying to figure out how many GEOs he needs to collect in order to make Hell freeze over when his wife sends him there.
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blue_can
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I don't recall seeing this in the FSM. However if you have a working system you can calculate this at least to some level of approximation.

You will need some HVAC tools - an anemometer and a psychrometer capable of measuring wet and dry bulb..

Turn on the ac, turn the blower to full and let it stabilize for several minutes. Then close off all the vents apart from one and measure the air velocity. Convert to CFM using the effective area so measure the area of the vent as best as you can and then remove about 20% for the obstructions due to the grilles etc.

Then use the psychrometer and measure the wet and dry bulb at the discharge and return.

This will allow you to calculate the enthalpy change and then use the airflow to calculate the btu capacity.

You can use a psychrometric chart or one of several HVAC related mobile apps to do this calculation. Here is an example of a mobile app that you could use - what you need is on page 4 of the app.

https://play.google.com/store/apps/details?id=com.apps.bmc.superheatcalc
Edited by blue_can, May 16 2018, 07:21 PM.
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evmetro


Sataninside
May 14 2018, 12:28 AM
How many btu's is the AC system in the 3 door metro hatchback?
Not many.
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