Newsgroup: it.comp.giochi.simulatori.volo
Titolo: Gate Fs2002

Salve
Come si fà ad uscire dal gate mi ritrovo col muso puntato su un edificio e
non ce la faccio a girare
ps. perchaso c'è la marcia indietro
Ciao Norad

 ha scritto nel messaggio
news:hJeO8.33021$TS.9...@news1.tin.it...


 Maurizio (LIMF)
La manovra che ti ha ben descritto Mauri si chiama pushback, e non la fai tu
con la "marcia indietro" (che gli aerei non hanno, a meno che non si
vogliano considerare i reverse come tali...), ma vieni spinto da un trattore
che viene "attaccato" al ruotino anteriore dell'aereo. Con FSAssist della
Lago viene simulata abbastanza bene questa manovra, con tanto di
comunicazioni radio dell'operatore.
Ciao
Andrea

 vogliano considerare i reverse come tali...), 
Alcuni (pochi) aerei sono certificati per andare in retro con i reverse,
la maggior parte invece no.
Ciao
-- 
Franco
Wovon man nicht sprechen kann, darüber muß man schweigen.
(L. Wittgenstein)

 la maggior parte invece no.
Cavolo, sei sempre una fonte di sorprese e notizie interessanti: ma questi
aerei fanno il pushback autonomamente? Non è pericoloso? E già che ci sei,
toglimi la curiosità, quali sono?

 toglimi la curiosità, quali sono?
Il 757 sicuramente, forse anche qualche versione del 737. Sicuramente
non il 767 e non mi pare il 747.
Ecco cosa dice il manuale del 757 per fare il pushback con il reverse:
"Powerback operations may only be performed when specifically authorised
by Flight Management. Powerback procedures are NOT PERMITTED for the
767.
The following conditions must be observed:-
Powerback is not permitted under conditions of slush, ice, snow,
standing water or if the ramp or apron is in any way contaminated or
dirty.
Both thrust reversers must be serviceable.
Powerback operations will be performed by the Captain only.
The marshalling signals for Powerback in FCOs 1134 must be observed.
The following 757 Powerback Checklist should be used:-
1. Review the parking stand area to remove all loose equipment and
debris to minimise risk of ingestion. Confirm that there is adequate
clearance behind the aircraft to complete a 'powerback'.
2. Discuss specific procedure to be used with Ground Engineer including
the marshalling instructions.
3. After engine start, Ground Engineer will confirm ground equipment and
nose gear steering pin removed.
4. Establish that the aircraft could safely move forward 2 to 3 metres.
Position a chock in front of the nose wheel at this point as a "long
stop" to prevent further forward movement.
5. Obtain ATC clearnace for "Powerback"
6. Obtain Engineers clearance for powerback. Release brakes and allow
aircaft to move forward approximately 1 metre to ensure brakes released
and clear flat spots on the tyres.
As forward motion is established, select reverse idle. This setting
should be sufficient to arrest forawrd motion and commence rearwards
movement.
BOTH PILOTS PLACE FEET UNDER THE RUDDER PEDALS. IT IS VITAL THAT BRAKES
ARE NEVER APPLIED WHILE REVERSING.
(When reverse idle is selected during powerback, the speedbrakes will
deploy automatically.)
7. It may be necessary to select power in excess of reverse idle to
achieve rearwards movement. Once moving, re-select reverse idle if
possible. In any event, do not exceed 50% N1, and power usage above 40%
N1 must be recorded subsequently in the Tech Log.
8. Control aircraft speed by engine thrust. (Alternate selections of
reverse idle and forward idle may be necessary.) Manoeuvre aircraft in
accordance with marshalling instructions using thrust and nose-wheel
steering tiller. Sharp turns should be avoided.
In confined areas, it may be necessary to employ a series of
forward/back manoeuvres to position the aircraft. Such manoevures should
be discussed with the Ground Engineer prior to commencement of powerback
procedure.
9. The aircraft should be brought to a halt by selecting forward idle.
The aircraft will move a further 5 metres approximately before naturally
coming to a halt.
Ensure aircraft has stopped. When forward motion detected, apply
footbrakes gently, and then parking brake.
10.Obtain ATC and Ground Engineer's clearnace for taxy.
(Manually retract spoilers by placing lever forward at completion of
powerback procedure.)
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 Ecco cosa dice il manuale del 757 per fare il pushback con il reverse:
[CUT]
Beh! con tutte le limitazioni e raccomandazioni che ci sono, mi sembra che
tutto sommato sia più sicuro e comodo il classico pushback col trattore...o
no?
Grazie per le info!
Ciao
Andrea