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Old 24-02-2012, 15:11   #1
jameson82
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OBB 80 Bisarr helikopter ulykke

Så på nyhetene nå ett bisart syn med ett helikopter som gikk i oppløsning

http://www.youtube.com/watch?v=aDWoR...ayer_embedded#
!
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Old 24-02-2012, 15:20   #2
Twin Otter
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Default Re: Bisarr helikopter ulykke

Nå settes vel hele den norske flåten med AS350 helikoptere på bakken.
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Old 24-02-2012, 15:33   #3
1944vintage
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Default Re: Bisarr helikopter ulykke

Det ble nevnt på nyhetene at årsaken kan være bakkeresonans.

Kanskje noen aktive HKpiloter evt strukturingeniører kan forklare nærmere ?

Vet at større skip har et kritisk turtallsområde på propellen, hvor hele skuta rister noe j**lig. Og bør passeres så raskt som mulig.
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Old 24-02-2012, 15:34   #4
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Default Re: Bisarr helikopter ulykke

Ser ut som ground resonance
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Old 24-02-2012, 15:40   #5
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Default Re: Bisarr helikopter ulykke

Bra. Da vet vi at det enten bakkeresonans eller ground resonance.
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Old 24-02-2012, 16:03   #6
1944vintage
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Default Re: Bisarr helikopter ulykke

Fant dette ved litt Googling. En Chinook som rister seg selv istykker:

http://www.helis.com/howflies/groures.php
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Old 24-02-2012, 16:27   #7
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Default Re: Bisarr helikopter ulykke

Fine lydeffekter de la på
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Old 26-02-2012, 19:22   #8
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Default Re: Bisarr helikopter ulykke

Bisarr helikopter ulykke

https://www.youtube.com/watch?v=J1xKhc77VXk
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Old 26-02-2012, 20:30   #9
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Hehe... Skulle ha hatt mye for å være med der.....
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Old 27-02-2012, 09:15   #10
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Default Re: Bisarr helikopter ulykke

Det siste klippet der er et meget godt eksempel på gode filmer som slutter altfor tidlig
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