PPRuNe Forums - View Single Post - PHOENIX "rescue" No thanks!
View Single Post
Old 10th Jun 2019, 20:55
  #40 (permalink)  
henra
 
Join Date: May 2010
Location: PLanet Earth
Posts: 1,334
Received 105 Likes on 52 Posts
Originally Posted by India Four Two
I was bored and so I did a physics refresher. I timed the 10 fastest rotations to take about 8 seconds, so a period of 0.8 seconds. Assuming a 1.6 m patient, the maximum G force at her head would be about 0.6 .
How did you calculate that?
The circumference of the circle her head executed was 5m (1,6m *Pi).
The rotational speed was thus 5m/0,8s = 6,3m/s.
Lateral acceleration =v^2/r.
=49m/s^2 = 5g.
That is not only unpleasant. That is bordering on dangerous.


henra is offline