Beechcraft 1900C park brake
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Beechcraft 1900C park brake
I have a few questions about the 1900C parking brake system.
When it is applied, is the knob raised to apply or lowered to apply?
Does it only apply 1 set side of the wheels ( unlikey I would think ) or does it apply to both rear sets or all 3?
I didnt quite see the nose wheel.
Does the parkbrake have a light on the dash to inform the crew that it is on?
Is it fully hydraulic or does it electric over hydraulic?
Thanks for any replies .
PRHTE.
When it is applied, is the knob raised to apply or lowered to apply?
Does it only apply 1 set side of the wheels ( unlikey I would think ) or does it apply to both rear sets or all 3?
I didnt quite see the nose wheel.
Does the parkbrake have a light on the dash to inform the crew that it is on?
Is it fully hydraulic or does it electric over hydraulic?
Thanks for any replies .
PRHTE.
Join Date: Mar 2008
Location: Germany
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Parking Brake system
To answer the already above posted (which is in terms totally correct) to the end:
1. all Hydraulic in a closed circuit, nothing like a pump or so to pressurize.
2. no annunciations for a set park brake
3. the sytem pressure is only held by a shuttle valve, so the brake system on the
main wheels (I don`t know any aircraft where the nose wheel is also braked)
is fully engaged.
Regards BG140
1. all Hydraulic in a closed circuit, nothing like a pump or so to pressurize.
2. no annunciations for a set park brake
3. the sytem pressure is only held by a shuttle valve, so the brake system on the
main wheels (I don`t know any aircraft where the nose wheel is also braked)
is fully engaged.
Regards BG140
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It is possible to just set one side, each brake system is independent, the park brake linkage splits into two cables, each of which traps pressure on it's respective side. If the respective pedal wasn't depressed, no pressure to trap.
A lousy system, really. Prone to getting set 'softly' so that the aircraft starts to roll imperceptibly. Also the position and actuation of the handle (a straight push down on the console releases it) invites inadvertent release. Drop a Jepp binder on the handle and it's off to the races. A friend of mine turned around in his seat to assist the the still standing FO with something with one engine running. In the process he bumped the handle, they went down an embankment and through a fence.
A lousy system, really. Prone to getting set 'softly' so that the aircraft starts to roll imperceptibly. Also the position and actuation of the handle (a straight push down on the console releases it) invites inadvertent release. Drop a Jepp binder on the handle and it's off to the races. A friend of mine turned around in his seat to assist the the still standing FO with something with one engine running. In the process he bumped the handle, they went down an embankment and through a fence.
ECON cruise, LR cruise...
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...not to mention that the 02 deply system has an identical handle - in the position where the (identical) B200 parking brake handle is located 
Oh, the fun we've had...
Oh, the fun we've had...
