Trivial Pursuit

[dynamite dean]

Please tell me so that i am not going mad a nice explanation of "P" factor and why it is called pee factor asymmetric blade effect one and the same...?????

And a definition of a critical engine ???. just done my painful grade II on the twin, passed but with a steaming disussion for my twin lecture on these two easy.... - well it didn't seem like it at the time, any offers would be greatly appreciated.

finally anyone know the word "tristadecaphobia" I got it when we were playing trivial pursuits the other night- never heard of it in my life mate!

thankyou