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Anti-lock Braking Systems  
User currently offlineLiamksa From Australia, joined Oct 2001, 308 posts, RR: 0
Posted (10 years 11 months 4 weeks 5 hours ago) and read 1214 times:

G'day all

A couple of questions re: braking systems:

1. When using manual braking on landing, do you feel the pedal pulse like when you get on the anchors in a car with ABS?

2. In the photo below you can see the brake pressure gauge. Is this the accumulator pressure or just system pressure? If it is an accumulator gauge when is it specifically checked? Before using the park brake? If alternate brakes are needed?


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Photo © Bruce Leibowitz



Cheers, Rob.

2 replies: All unread, jump to last
 
User currently offlineAAR90 From United States of America, joined Jan 2000, 3474 posts, RR: 46
Reply 1, posted (10 years 11 months 3 weeks 6 days 16 hours ago) and read 1140 times:

1. When using manual braking on landing, do you feel the pedal pulse like when you get on the anchors in a car with ABS?

It is a similar feel.

2. In the photo below you can see the brake pressure gauge. Is this the accumulator pressure or just system pressure?

Accumulator pressure.

...when is it specifically checked?

When the checklists call for it to be checked and everytime I turn in toward a gate (no exit path available).



*NO CARRIER* -- A Naval Aviator's worst nightmare!
User currently offlineShenzhen From United States of America, joined Jun 2003, 1710 posts, RR: 2
Reply 2, posted (10 years 11 months 3 weeks 6 days 10 hours ago) and read 1107 times:

Actually, the pressure guage is displaying both accumulator and brake system pressure. If the Hydraulic systems are powered, you will see the system pressure through the accumulator 3000 +/- psi. When Hyd systems are off, then you will see the true accumulator pressure.

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