#### maremare505

##### Well-known member
Wondering if anybody out there can provide the equation/formula for G-loads calculations other than tables from FOM's? (Particularly on AIRBUS A/C's).

#### Andy Neill

##### Well-known member
Here is one for the z axis g load induced by a level bank:

G = 1/(cos(angle of bank))

As an example since the cos for 60 degrees and 45 degrees are 0.5 and 0.707 respectively, the G load for each would be
1/.5 = 2g for a 60 degree angle of bank and
1/(.707) = 1.3g for a 45 degree angle of bank.

If you want decelerative g forces found, simply find the rate of deceleration divided by 32ft/sec^2. That is, if you are decelerating at 128 ft per sec per sec, you will be feeling 4 gs.

#### get2flyin

##### Flyinawa!
Wondering if anybody out there can provide the equation/formula for G-loads calculations other than tables from FOM's? (Particularly on AIRBUS A/C's).

Are you on the Airbus? If so, you can go into the FMS and pull up current G values. It's mildly interesting to watch it change as you maneuver around.

##### Well-known member
1000fpm = about 2.5 G's on a hard landing

#### Andy Neill

##### Well-known member
1000fpm = about 2.5 G's on a hard landing
That's true IF you decelerate from 1000 fpm to 0 fpm in about 0.2 seconds.

You're welcome, mare.

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