toe-in landing

18:01 Jul 19, 2012
This question was closed without grading. Reason: No acceptable answer

English to Norwegian translations [PRO]
Aerospace / Aviation / Space / helicopter
English term or phrase: toe-in landing
Toe In Landings Toe-in landings are those landings that are used to drop off or pick up passengers or cargo by resting the helicopter on the toes of the skids. This requires holding a significant amount of hover power (within 15% of hover power) to keep the helicopter from falling backwards. When the helicopter is operated in this manner, there is the potential of significant lateral and longitudinal CG shift during loading/offloading operations. When the helicopter is balanced on the forward 1/3 or less of the skid tube, main rotor blade clearance is another significant concern (1/2 of flat surface/flat pitch blade clearance). These landings are normally used where landing areas are on slopes which exceed the capability of the helicopter. Identification criteria for toe-in landings are:
(1) Inability to reduce below hover power by 15%
(2) Forward 1/3 or less of skid tube in contact with surface
(3) 1/2 or less of flat pitch/flat surface blade clearance exists
Lene Johansen
Local time: 05:34


Summary of answers provided
3Hover
Ronny Nielsen


Discussion entries: 2





  

Answers


1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5
Hover


Explanation:
Hover er en flygende tilstand der helikopteret er plassert i en bestemt posisjon over ett gitt punkt og holdes oppe av rotorens løftekraft over hele dens flate med null eller tilnærmet null flygehastighet. Se denne videoen: http://www.youtube.com/watch?v=bQdVHnS_TyQ&feature=related

I motsetning til hovertaksing der helikopteret holdes flygende på samme måte som i hover, men beveger seg i horisontalplanet; fremover, bakover, sideveis eller rundt sin egen vertikale akse. Hovertaksing foregår normalt i bakkeeffekt og med en hastighet opp til 15 knop.


    Reference: http://www.lovdata.no/for/sf/sd/td-20050429-0418-001.html
    Reference: http://www.regjeringen.no/pages/14137473/Vedlegg_6.pdf
Ronny Nielsen
Dominican Republic
Local time: 05:34
Works in field
Native speaker of: Native in NorwegianNorwegian
PRO pts in category: 4
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