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Upper deck air

  • MissSoph
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MissSoph created the topic: Upper deck air

Can someone please help me out with what exactly upper deck air is? I’m reading through about waste gates and turbocharging.. and I’m not getting upper deck air.? Is it just compressed air ?
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  • John.Heddles
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  • ATPL/consulting aero engineer
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John.Heddles replied the topic: Upper deck air

Just a terminology thing. "Upper deck" refers to the supercharger/turbocharger discharge or output. Hence upper deck pressure is the discharge pressure from the turbocharger as the compressed air exits the compressor section into the intake.

As to where the term originates is anybody's guess ?

eg dictionary.dauntless-soft.com/definition.../Upper-Deck+Pressure

The following FAA handbooks might be useful to supplement Bob's texts -

www.faa.gov/regulations_policies/handboo...Powerplant-Vol-1.pdf
www.faa.gov/regulations_policies/handboo...Powerplant-Vol-2.pdf
Engineering specialist in aircraft performance and weight control.
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  • MissSoph
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MissSoph replied the topic: Upper deck air

Haha ......thanks John..... aviation loves to give the simplest things the most complex names....
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