roll and pitch maneuvers

Portuguese translation: manobras de rolagem e arfagem

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:roll and pitch maneuvers
Portuguese translation:manobras de rolagem e arfagem
Entered by: Lilian Magalhães

20:14 Jun 8, 2019
English to Portuguese translations [PRO]
Tech/Engineering - Astronomy & Space / NASA
English term or phrase: roll and pitch maneuvers
https://space.stackexchange.com/questions/5065/why-did-apoll...


When the Space Shuttle launched, it would perform a roll and then pitch to establish its ascent trajectory. There is fairly straightforward rationale for this. The vehicle's aerodynamic shape, the benefit to keep the horizon visible through the flight deck's upper windows being the most obvious.
Flying long before the Shuttle, the Apollo launch profile has been described in a very similar way - a roll to orient the vehicle so that a pitch maneuver puts it onto trajectory.
My question is this: With no large-scale external features to break the vehicle's apparent radial symmetry, why was it necessary/preferred for Apollo to roll first then pitch instead of forgoing the roll
Lilian Magalhães
Brazil
Local time: 05:44
manobras de rolagem e arfagem
Explanation:
http://mtc-m16d.sid.inpe.br/col/sid.inpe.br/mtc-m19/2011/01....

Manobra de atitude
Os ângulos iniciais do veículo espacial são apresentados na Tabela 5.1. O controlador de atitude deve seguir os valores dos ângulos de referência (Rolagem, Arfagem e Guinada) conforme descrição a seguir:


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Note added at 21 minutos (2019-06-08 20:35:27 GMT)
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http://mtc-m16d.sid.inpe.br/col/sid.inpe.br/mtc-m19/2012/08....

A primeira simulação é realizada sem que o sistema sofresse influência das vibrações. As Figuras 1, 2 e 3 mostram os valores de referência (curva em rosa) e correntes (curva em azul) dos ângulos de rolagem (roll), arfagem (pitch) e guinada (yaw).

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Note added at 3 días 3 horas (2019-06-11 23:51:13 GMT) Post-grading
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Muito obrigada, Lilian!
Selected response from:

Andrea Pilenso
Brazil
Local time: 05:44
Grading comment
thanks
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +2manobras de rolagem e arfagem
Andrea Pilenso


  

Answers


20 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
manobras de rolagem e arfagem


Explanation:
http://mtc-m16d.sid.inpe.br/col/sid.inpe.br/mtc-m19/2011/01....

Manobra de atitude
Os ângulos iniciais do veículo espacial são apresentados na Tabela 5.1. O controlador de atitude deve seguir os valores dos ângulos de referência (Rolagem, Arfagem e Guinada) conforme descrição a seguir:


--------------------------------------------------
Note added at 21 minutos (2019-06-08 20:35:27 GMT)
--------------------------------------------------

http://mtc-m16d.sid.inpe.br/col/sid.inpe.br/mtc-m19/2012/08....

A primeira simulação é realizada sem que o sistema sofresse influência das vibrações. As Figuras 1, 2 e 3 mostram os valores de referência (curva em rosa) e correntes (curva em azul) dos ângulos de rolagem (roll), arfagem (pitch) e guinada (yaw).

--------------------------------------------------
Note added at 3 días 3 horas (2019-06-11 23:51:13 GMT) Post-grading
--------------------------------------------------

Muito obrigada, Lilian!

Andrea Pilenso
Brazil
Local time: 05:44
Native speaker of: Native in PortuguesePortuguese
PRO pts in category: 36
Grading comment
thanks

Peer comments on this answer (and responses from the answerer)
agree  Oliveira Simões
34 mins
  -> Muito obrigada, Oliveira!

agree  Matheus Chaud
2 hrs
  -> Muito obrigada, Matheus!
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