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Forum: Tech Log

26th May 2008, 18:25

Replies: 154

Are Flex / De Rated take offs safe?

Views: 19,063

Posted By BraceBrace

Denti, we only use the improved if we're climb...

Denti, we only use the improved if we're climb limited and can't make it the normal way. But we don't reduce the thrust then, so there's some increased safety most of the time, I agree.

I've...

Forum: Tech Log

25th May 2008, 17:07

Replies: 154

Are Flex / De Rated take offs safe?

Views: 19,063

Posted By BraceBrace

95% of all takeoffs I calculate (737) are climb...

95% of all takeoffs I calculate (737) are climb limited and I believe (correct me if I'm wrong) most twin engine commercial airliners are climb limited most of the time. NOT field limited so there's...

Forum: Tech Log

21st May 2008, 14:17

Replies: 154

Are Flex / De Rated take offs safe?

Views: 19,063

Posted By BraceBrace

SSG, flex/assumed takeoff is not the same as "hot...

SSG, flex/assumed takeoff is not the same as "hot & high".

Hot & high is high density altitude takeoff. Low pressure at higher altitudes in involved there as well, leading to higher required...

Forum: Tech Log

21st May 2008, 04:14

Replies: 154

Are Flex / De Rated take offs safe?

Views: 19,063

Posted By BraceBrace

Those who feel unsafe during a flex/assumed...

Those who feel unsafe during a flex/assumed temperature takeoff... then how do you feel like takeing off on a 35°C day?

Jet engines are "pressure" limited up to a certain temperature, up to which...

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