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Forum: Tech Log

26th Jun 2019, 22:52

Replies: 15

Why does putting Eng Anti-Icing on (increase air bleed use) help control engine rpm

Views: 9,947

Posted By jh5speed

I was talking about what a controller might do at...

I was talking about what a controller might do at high power in response to AI being selected. No pilot action was involved - sorry if I gave that impression.

OK - so we are taking about an...

Forum: Tech Log

26th Jun 2019, 14:52

Replies: 15

Why does putting Eng Anti-Icing on (increase air bleed use) help control engine rpm

Views: 9,947

Posted By jh5speed

For a given pilot demand (throttle lever...

For a given pilot demand (throttle lever position) engines are controlled to ('rated to', or 'rated on') a looked-up value of a particular measured engine parameter. That looked-up value is the...

Forum: Tech Log

26th Jun 2019, 11:55

Replies: 15

Why does putting Eng Anti-Icing on (increase air bleed use) help control engine rpm

Views: 9,947

Posted By jh5speed

I doubt if bleed extraction changes the...

I doubt if bleed extraction changes the performance of the speed control loop in any significant way. If the engine is rated on LP spool speed (I'm assuming here...), maybe there is a debit applied...

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