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Forum: Private Flying

3rd Apr 2020, 20:22

Replies: 70

Cirrus descent rate under parachute less with wind?

Views: 12,932

Posted By suninmyeyes

[QUOTE=RatherBeFlying;10738439]Horizontal...

[QUOTE=RatherBeFlying;10738439]Horizontal velocity allows friction with the ground to dissipate kinetic energy at a gentler rate than happens with a completely vertical impact.QUOTE]

Ok I agree...

Forum: Private Flying

31st Mar 2020, 12:16

Replies: 70

Cirrus descent rate under parachute less with wind?

Views: 12,932

Posted By suninmyeyes

If they move at different speeds the distance...

If they move at different speeds the distance between them would have to increase😀 So any small transient changes in speed between them due to drag or pendulum effect would have to cancel out.

Forum: Private Flying

31st Mar 2020, 10:42

Replies: 70

Cirrus descent rate under parachute less with wind?

Views: 12,932

Posted By suninmyeyes

Cirrus descent rate under parachute less with wind?

In the youtube video below Paul Bertorelli states at 4.07 that a Cirrus with parachute deployed descends at a rate of 1700 fpm but will have a lower rate of descent if there is a wind.
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