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Are toe brakes meant to be ineffective at slow speeds ?


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I'm liking the new Mu-2 a lot but I'm noticing that the Toe Brakes seem very ineffective at low speed.

With prop at taxi and throttle at ground Idle the plane creeps forward even with full tow brakes and similarly they can't hold the plane stationary on a slope like Runway 05 at LPMA.

The parking brake works fine in these situations so I'm not sure if this is a bug or a quirk of the real thing.

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2 minutes ago, Ch.Cole said:

Seems to be a bug. I noticed that the plane comes to a stop, and then accelerates again, as if the brakes were released, even if the pedals (sim and hardware) are still depressed.

Always a relief to know other people are seeing an issue rather than it just turning out I'm doing something wrong :)

I see what you mean about the starting and stopping or jerking motion.

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I THINK, I may have shipped with the "Brake Application Rate" preference set to 10 seconds.  Check this...and then set it to 1 and see if that's more normal.

Regarding the the stop/accelerate thing...haven't seen that, will do some tests.   

Which commands are you using for the braking?  or perhaps hardware toe brakes assigned to left/right?

-TomK

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11 minutes ago, tkyler said:

I THINK, I may have shipped with the "Brake Application Rate" preference set to 10 seconds.  Check this...and then set it to 1 and see if that's more normal.

Regarding the the stop/accelerate thing...haven't seen that, will do some tests.   

Which commands are you using for the braking?  or perhaps hardware toe brakes assigned to left/right?

-TomK

I've tried it with 1 and I'm still seeing the same thing.

As you suspect I am using the standard hardware toe brake mappings - is there a different mapping to be used instead ?
 

 

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No...this is definitely a bug on my end. ...verified.  Glad you have the parking brake in the meantime till we get this updated!  This is what I get for applying toe brakes during testing.....seeing the brake value go up and down and then walking away and going "ah, it works"...because I still have 1000 more things to test that day :)  Great catch and definitely on the bug list.  Thx for reporting.

-TomK

Edited by tkyler
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46 minutes ago, tkyler said:

No...this is definitely a bug on my end. ...verified.  Glad you have the parking brake in the meantime till we get this updated!  This is what I get for applying toe brakes during testing.....seeing the brake value go up and down and then walking away and going "ah, it works"...because I still have 1000 more things to test that day :)  Great catch and definitely on the bug list.  Thx for reporting.

-TomK

No problem - this plane is well worth a bit of effort helping to test and identify any issues :)

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