T-45C TS, ADV & IUT ENG-27/ENG-28
Engineering Review
(ii) Variable displacement pump
(iii) Constant output pressure: 3000
psi at 9.6 gallons per minute
(3) Flight control (FC) accumulator
Sg 6, fr 6
HYD 1 FC
Accumulator
(a) Location: aft of right intake
(b) Description
(i)
Stores power for ailerons and
stabilator during periods of high
demand
(ii) Dampens pressure fluctuations
(c) Physical
(i)
Consists of a cylinder with a free-
floating piston that separates fluid
from nitrogen
(ii) Pressurized with nitrogen
(1100 + 50 psi)
(4) Wheel brake/emergency flap accumulator
Sg 6, fr 7
Wheel Brake/
Emergency Flap
(a) Location: right main landing gear
Accumulator
wheel bay
(b) Description
(i)
Stores power for emergency use
of wheel brakes in event of HYD 1
failure
(ii) Stores power for emergency
deployment of full flaps in event
of HYD 1 failure (no retraction)
(iii) Supplies enough pressure for at
least 10 full wheel brake
applications following emergency
flap extension
(9-98) Original
Page 27-51
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