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Author Topic: Enviro Mass Flow  (Read 339 times)

seanmcgillivray

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Enviro Mass Flow
« on: October 05, 2022, 06:46:45 pm »
Any long term determent to using mass flow on my Enviro?

TIA.

Bruce Byerly

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Re: Enviro Mass Flow
« Reply #1 on: October 06, 2022, 11:01:25 am »
Not really but you shouldn’t need to use it.

donv

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Re: Enviro Mass Flow
« Reply #2 on: October 06, 2022, 12:54:46 pm »
If you ever fly a Sundstrand airplane, don't confuse "Mass Flow" with "Max Flow" even though it's the same switch and would appear to have a similar function.

seanmcgillivray

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Re: Enviro Mass Flow
« Reply #3 on: October 06, 2022, 04:18:17 pm »
Think I have an issue with the outflow valve. Sometimes the pressure drops below selected. Mass flow fixes it.

Going to do a little reading as I don't understand what Mass Flow does? Does it rob more bleed air?

donv

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Re: Enviro Mass Flow
« Reply #4 on: October 07, 2022, 12:44:10 am »
Mass Flow should just increase the air flow. So if you have a leaky cabin, it can overpower the leaks through sending in more air.