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Forum: Tech Log

1st Jun 2018, 12:59

Replies: 7

B737 OAT input error with correct ATM

Views: 4,060

Posted By cmmsense

Full thrust at an OAT of 50C will give a...

Full thrust at an OAT of 50C will give a different N1% than let's say: ATM of 50C at an OAT of -16C...you agree?

Forum: Tech Log

22nd May 2018, 13:54

Replies: 7

B737 OAT input error with correct ATM

Views: 4,060

Posted By cmmsense

I should have said as the OAT increases so does...

I should have said as the OAT increases so does N1% until about an OAT of 30C, then the N1% starts to decrease. This fact threw me off. N1% at an OAT of +50C is irrelevant.
I think I got it now. ...

Forum: Tech Log

15th May 2018, 10:13

Replies: 7

B737 OAT input error with correct ATM

Views: 4,060

Posted By cmmsense

B737 OAT input error with correct ATM

An incorrect OAT temperature input to the FMC resulted in an insufficient N1 generated by the FMC. The incorrect OAT input was -52C instead of 16C. However, the correct Assumed Temperature of 50C...

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