Re: Toilets Plunge. Airplanes Don't
Posted: Wed Oct 18, 2017 2:25 pm
[quote author=Four Bars link=topic=7295.msg19892#msg19892 date=1508172843]
Trivial pursuit question: what are the 90-degree up and down points on the attitude sphere called?
[/quote]
Guess - Zenith and Nadir?
Trivial pursuit question: what are the 90-degree up and down points on the attitude sphere called?
[/quote]
Guess - Zenith and Nadir?