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kevinh

Pressurisation Defect in Climb

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Sorry Jack, but you'll have to explain what it is about Beechcraft pressurisation that makes the 737, along with all other Boeing and Airbus airliners, weird.

Think jack was having a laugh if my memory is alright jack is a rw pilot on the 737s, but i could be wrong jack can correct me on this if iam wrong


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Peter kelberg

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Jack C is a RW pilot on the NG's and was a King Air jockey in his previous jobs.

 

The main different and wacky thing about the NG is the different delta P 'limitations' that the pressurisation systems schedules with, according to different cruise altitudes and such.

 

I'm only familiar with the pressurisation systems on the older 90's (superchargers baby!) and -100's but there all you can do is set what you want for cabin alt and play with the rate knob. The controller is most definitely not digital, with a mess of diaphragms, tubing, and springs.


Patrick Houghton

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OK, without knowing Jack C's history I didn't spot the irony.

 

That doesn't really make the 737NG wacky though. Most modern airliners have similar pressurisation schedules. Even some much older ones. The 727-200 pressurisation control schedule isn't much different (though it has analogue electronics of course). The 727 system even had different delta P limits depending on which mode you were in.


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Congratulations Willie, does not really help though does it. By the way my recirc fan is working just fantastic hows yours? Rolling%20Eyes.gif

Oh god it's you again....

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