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Switching seat belts on reduces APU load?


WessYin

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Norman Blackburn

When they are on the chances are the galley power is switched off and in many cases IFE is also switched off and possibly cabin lights would be dimmed So I would say its in the right direction.

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WessYin
13 hours ago, Norman Blackburn said:

When they are on the chances are the galley power is switched off and in many cases IFE is also switched off and possibly cabin lights would be dimmed So I would say its in the right direction.

I see. If the simulation logic is set as such, it makes sense. Thanks.

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Pascal Ad

I dont think thats the correct behaviour. I tested it just now and couldnt reproduce. My load havent changed.

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WessYin
4 hours ago, Pascal Ad said:

I dont think thats the correct behaviour. I tested it just now and couldnt reproduce. My load havent changed.

Thanks. Let me provide my setup for reproducibility. 

It was the A320-x, just landed, the APU turned on, and the engines shut down. I was curious to see how much electricity load each component sheds -- for example, the cockpit equipment blower, various external lights, the inertial navigation systems, etc. I could observer the big and unintuitive difference described in the first post independent of the on/off of other power-hungry systems.

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