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Old 01-10-2020, 07:34 PM   #1
dresoccer4
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Question No Brake Pressure

so i just landed but had no brake pressure
however my landing was so good that i was able to roll the entire length of the runway and come to a complete stop with no brakes

but anyway, i checked the gear handle and it's in the neutral position, but the pressure gauge is still 0. i thought that if the gear handle was neutral then the pressure pump would refill it?

can someone please fill me in on whats happening?

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Old 01-10-2020, 07:41 PM   #2
Kang
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There is no pump to refill the air on the MiG-21. It's a tank of compressed air and if you use it up, it's all gone. It has to be replaced/refilled by ground crew.
The whole thing about the gear handle is that if you forget to return it to neutral and leave it in up after take-off, the wheel brakes will stay engaged thus depleting the air over time for no benefit to you. If you use a lot of air otherwise (for example using the brakes, or just extending and retracting the gear a lot) you might end up with low pressure left.
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Old 01-10-2020, 07:43 PM   #3
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Quote:
Originally Posted by Kang View Post
There is no pump to refill the air on the MiG-21. It's a tank of compressed air and if you use it up, it's all gone. It has to be replaced/refilled by ground crew.
The whole thing about the gear handle is that if you forget to return it to neutral and leave it in up after take-off, the wheel brakes will stay engaged thus depleting the air over time for no benefit to you. If you use a lot of air otherwise (for example using the brakes, or just extending and retracting the gear a lot) you might end up with low pressure left.
ah well now it all makes sense then. i assumed it would "recharge", but nope they had to make it hard on us pilots didn't they
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