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Forum: Private Flying

24th Sep 2021, 19:49

Replies: 70

Cirrus descent rate under parachute less with wind?

Views: 12,932

Posted By Maoraigh1

" - at a wind velocity around 8,000 m/sek" ???...

" - at a wind velocity around 8,000 m/sek"
??? 8,000m/s is 8km/s which is 8X3600 km/h = 28,800 km/hour.
(I maybe showing my ignorance of the "sek' unit.)

Forum: Private Flying

4th Apr 2020, 19:18

Replies: 70

Cirrus descent rate under parachute less with wind?

Views: 12,932

Posted By Maoraigh1

Apologies for imprecise words. What I'm try to...

Apologies for imprecise words. What I'm try to say is that the impact force from descent into the ground will not be reduced by movement parallel to the ground as far as the descending aircraft is...

Forum: Private Flying

3rd Apr 2020, 18:34

Replies: 70

Cirrus descent rate under parachute less with wind?

Views: 12,932

Posted By Maoraigh1

"Horizontal velocity allows friction with the...

"Horizontal velocity allows friction with the ground to dissipate kinetic energy at a gentler rate than happens with a completely vertical impact"
Friction with ground will dissipate kinetic energy...

Forum: Private Flying

31st Mar 2020, 21:59

Replies: 70

Cirrus descent rate under parachute less with wind?

Views: 12,932

Posted By Maoraigh1

Drag is the reason the plane and parachute will...

Drag is the reason the plane and parachute will very quickly stabilise at the wind speed.
Only severe windshear would have the plane and parachute at different speeds while still attached to one...

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