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8th Mar 2013, 15:22
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

RAT

Quote from FlightpathOBN (after photo, Feb 28th (http://www.pprune.org/rumours-news/505455-faa-grounds-787s-54.html#post7718259)):
"virtually ALL of the images of the 787 show the RAT deployed on...
8th Mar 2013, 12:10
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

Does anyone know if the Aft E&E bay is accessible...

Does anyone know if the Aft E&E bay is accessible from the cabin, i.e., in flight? From Page 8 of the report:
"This compartment is located aft of the main landing gear and beneath approximately the...
2nd Feb 2013, 15:25
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

Hello RR_NDB, For just a moment, I thought...

Hello RR_NDB,

For just a moment, I thought you had strayed off-topic: saying "CRM inside BA cockpit must have alternative options." Most people here in the UK use "BA" - in an aviation context -...
23rd Jan 2013, 15:02
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

sb_sfo, Thanks for the MMEL reference. 4 ED...

sb_sfo,

Thanks for the MMEL reference. 4 ED gennies does seem a safe situation to start ETOPS 180, particularly as you have the Main battery and the RAT to cater for a (temporary) double...
23rd Jan 2013, 13:34
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

TURIN and sb_sfo, Thanks for all that! A...

TURIN and sb_sfo,

Thanks for all that! A number of morsels to chew over with relish. Should have remembered how paranoid the Yanks are on sharing their technology. (Unlike we Brits, who hand it...
23rd Jan 2013, 13:09
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

FCC software design in the 1980s (A320)

Bernd and Dozy,

The flight control computers on the A320 - ELACs (2 off) and SECs (3 off) - each have a control channel and a monitor channel. IIRC, in both cases the software for the control...
22nd Jan 2013, 23:30
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

Lyman, The point of a battery is to provide...

Lyman,

The point of a battery is to provide short-term electrical power when other sources of it are not available?

Turning to the APU again, I think we need to understand the raisons d’ętre...
22nd Jan 2013, 19:16
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

Hi again, TURIN, We were discussing how to...

Hi again, TURIN,

We were discussing how to avoid using the APU battery, I think, to avoid having to recharge it. (Sounds crazy, doesn't it?)

(Any schematics for us yet?) :}
22nd Jan 2013, 18:51
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

Rory166, That's interesting, provided you...

Rory166,

That's interesting, provided you assume that EXT power is always available on the ground. What would the crew do if none was available?
22nd Jan 2013, 18:37
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

TopBunk, Thanks, I had that one. It does...

TopBunk,

Thanks, I had that one. It does something to whet the appetite. A bit like Eiffel's sketch on the paper tablecloth...

Chris
22nd Jan 2013, 17:08
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

DozyW, Am going partly on what TURIN wrote...

DozyW,

Am going partly on what TURIN wrote a few days ago.

However, there must be a fair number of grounded B787 crews at the moment, who are kicking their heels and presumably surfing the...
22nd Jan 2013, 17:02
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

Rory166, The problem with banning battery...

Rory166,

The problem with banning battery charging in flight is that, for profitable long-haul operations, turnrounds are so short and infrequent, and flights so long...
22nd Jan 2013, 16:39
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

APU Start, and ETOPS

Quote from cod liver oil:

“Power source for B787 APU starting may be airplane battery, a ground power source, or an engine-driven generator.
Wouldn't engine-driven generator be used as primary...
21st Jan 2013, 19:07
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

grebllaw123d, Not sure yet, but here's a...

grebllaw123d,

Not sure yet, but here's a link to a very good photo (http://haru-setsuyaku.com/wordpress/archives/1139) of the L/H forward fuselage of a/c 811, which has the same colour scheme as...
21st Jan 2013, 18:04
Replies: 2,185
Views: 1,032,237
Posted By Chris Scott

Fwd Bay Ventilation Port

Quotes from Machaca:

(1)"The photo of the forward EE bay venturi vent port taped up with plastic is confusing."

Yes, it was. Thanks for the new pic, which I had searched for in vain! (The...
Showing results 1 to 15 of 15


 
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