A320 FCOM

[George Yogi]

A320 FCOM says : " 180 degree turn possible with Asymmetric thrust on External engine (1.05 EPR) and with symmetrical thrust if turn done by CM2 :ooh: "

Is CM2 not allowed for a 180 degree turn with asymmetrical thrust , Please excuse if i am getting it wrong , Please help !

[vilas]

Yogi
This seems to be the case of French English. You are misunderstanding the meaning, quoted below from FCOM:

FOR THE CM2:
The procedure is symmetrical. (Taxi on the left-hand side of the runway).
Here Symmetrical stands for "similar".

[DozyWannabe]

Here Symmetrical stands for "similar".

Looks more like "opposite" to me!

[vilas]

Procedure is similar means using appropriate asymmetric thrust for the right seat. No2 engine. Opposite of left.

[George Yogi]

Thank You Vilas :ok:

[Natstrackalpha]

Why.

Economy?


In a hurry, ok.


Other than in a hurry, why? Why taxi on one engine with all the hoo haa of messing about with one engine - apart from arriving with one engine less than you departed with - that, Shirley must be the only really pragmatic reason of incurring the extra workload of f**ting around on the ground on one engine - it taxis very nicely and efficiently on two engines, honest, ask anyone.

[Cough]

Nat -

Re your single engine taxy - why?

Option 1 - taxy out a long way (such as FRA, AMS) with both engines running in hot weather (such that the FADEC winds up the engines for bleed demand) a light load and arrive at the holding point with brakes too hot to take off.

Or

Taxy out single engine, arrive at holding point with 100kg extra fuel and cool brakes able to depart asap.

No brainer.

[Natstrackalpha]

QUOTE:
"Nat -

Re your single engine taxy - why?

Option 1 - taxy out a long way (such as FRA, AMS) with both engines running in hot weather (such that the FADEC winds up the engines for bleed demand) a light load and arrive at the holding point with brakes too hot to take off.

Or

Taxy out single engine, arrive at holding point with 100kg extra fuel and cool brakes able to depart asap.

No brainer. " Unquote




Goddit. Thank you.

[underfire]

OT, but related to taxi...

Have you guys seen this system where the nose wheel is electrically/hydraulic driven, so it can taxi the ac, and eliminate the need for a tug?

[Natstrackalpha]

Why would you want to taxi and aircraft using a tug.? Did you mean a tow?


However, what a brilliant idea - all aircraft are to be taxied to line up using tugs. Saves on fuel - great fun for tug drivers you would need a lot of tugs at the airport.


Saving of fuel = 200,000 kg per day!!! And thats just at one fairly busy airport - imagine if you combine all the busy airports in the world - imagine the saving in fuel.


That's 72,800,000 kg per year! thats 20,000,000 Imperial Gallons a Year! A saving of £122,850,000 per year - wow is that cool or what?


I bet somebody pinches it and calls it theirs - baskits!