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Can someone explain this.....

Pro Member First Officer
Steve (astrosteve) First Officer

Hey I was flying the Embraer 120 from Toronto Pearson to Niagra Falls Intl. and I cut on the Anti-Ice switch in flight and the engines seemed to shimmer down a bit and my KIAS lowered from 210kts to 188kts. When I released the Anti-Ice switch the plane speeds back to 210kts. Kinda reminds me of cutting on your A/C in your car and it pulls on the engine.

Just curious of why it does that?

AstroSteve

Pro Member Chief Captain
CRJCapt Chief Captain

The Anti-Ice system uses bleed air from the engines to operate. It's normal for the engines to lose some power but not that much. Seems like a gross exaggeration in the flight model, 5kt loss would be about normal.

Pro Member First Officer
Steve (astrosteve) First Officer

Perhaps your right about the speed. But it was a definite sound of pulling from the engine. Very interesting thanks!!! Surprised

AstroSteve

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