How can we help?

You can also find more resources in our Help Center.

CRJ 900 FUEL

STUDY
PLAY
what are the different type of ejectors
main, scavanger, transfer
how does fuel circulate
motive flow
scavenger ejectors
send fuel from wing to collector tank 2 in each wing
transfer ejectors
send fuel from center tank to wing
fuel capacity
pressure 7492, gravity 7405
center tank
4610 lbs
naca scoops
provide pressure for the fuel tanks
FSC
fuel system computer 2 channels calculates fuel quantity and control fuel balance and monitor feed
fsc controls
refuel/defuel cross flow, fuel transfer, quantity and bite test
probes
6 probes in each main tank and 3 in center measure fuel level
compensators
in each main near inboard bulkhead measures density and send fsc fuel quantity info
fuel temp indications
bluk is in the right main on synoptic page and after heat exchanger is in boxes
gravity feed
flapper valves on collector tanks
on Dc power only what boost pump will work
left
fuel auto transfer from center when
either wing is 93% full or less and runts till at 97%
fuel cross flow
between main tanks auto when one is 200lbs off from the other stops when low side is 50lbs heavier low side light comes on
cross flow manual by
pressing xflow auto overide switch does not auto shut off
gravity crossflow
manuallly between main tanks when power crossflow isnt functioning via SOV controlled by press gravity xflow switch and side-slipping