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Forum: Tech Log

1st Oct 2008, 20:16

Replies: 95

B747 Back up Hydraulics

Views: 16,000

Posted By BelArgUSA

Trim problems, nose up/down

In the 707, we had an alternate procedure extending inboard flaps to get the nose up, or extending outboard flaps to get nose down in case of trim problems. Panel overhead captain's head was even...

Forum: Tech Log

29th Sep 2008, 22:02

Replies: 95

B747 Back up Hydraulics

Views: 16,000

Posted By BelArgUSA

Jal 123

JAL 123 was the flight - mid 1980s. Over 500 victims.
Loss of the 4 hydraulic systems, because faulty repair of aft pressure bulkhead.
No hydraulics = loss of all flight controls.
xxx
:{
Was not...

Forum: Tech Log

28th Sep 2008, 05:20

Replies: 95

B747 Back up Hydraulics

Views: 16,000

Posted By BelArgUSA

747 Electrical System (Classic)

In simple words -
The 747 have 4 electrical generators (1 per engine).
They produce alternating current 115V/400Hz and each are 60 KVA of power.
The APU is also equipped of 1 or (option) 2 same...

Showing results 1 to 3 of 3