Simviation Forum - Warwick Carter T-6 Texan

Apr 16^th, 2010 at 1:26am

Billk Offline
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Hi all,
I am enjoying flying this great A/C but I have a problem with differential braking, or rather, I have no right braking at all and the left brake seems to operate as a non-differential brake, with no turning effect at all. The V.C. toe brakes graphics respond correctly, but with no braking action at all from the right pedal.
I am using Saitek Pro rudder pedals assigned and calibrated using FSUIPC4, which operates correctly with all of my other payware and freeware A/C.
I would greatly appreciate some advice as to what the problem might be caused by (possibly something stupid on my part), but despite extensive checking of assignment and calibration etc. I can't locate the cause.
Thanks in anticipation of your help.
Bill

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Reply #1 - Apr 16^th, 2010 at 6:08am

jlab58 Offline
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safe landing!
montreal,can.

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i'm no expert but i seem to remember something in the read me from warwick texan saying texans has no brake, so they made a compromise to accomodate the players. maybe somebody will give you a better answer.

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Reply #2 - Apr 16^th, 2010 at 6:33am

Billk Offline
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Thanks jlab58 for taking the trouble to respond.
I can't see any reference to brakes in the read me file; I think you may be thinking of the Ants tiger moth. The graphics in T-6 VC show differential brakes operating.
If you can think of anything else, I would like to hear from you.
Thanks again.
Bill

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Reply #3 - Apr 16^th, 2010 at 8:42am

dave3cu Offline
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Bill,

In the aircraft.cfg file, the brake map for the right gear (point.2) is wrong. Change the 1 to a 2 as follows.

[contact_points]
......
.....
point.2= 1, 2.270, 4.300, -6.15, 1875,

2

,...............

To increase the effectivness of differential braking, in the [brakes] section play with the 'differential_brake_scale=0.50'. I found that 1.50 works well for button/key control. You may find a different value that's better for proportional control.

Dave

At that time [1909] the chief engineer was almost always the chief test pilot as well. That had the fortunate result of eliminating poor engineering early in aviation. Igor Sikorsky

I intend to live forever....so far, so good. Steven Wright

You know....you can just rip up a to-do list.

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Reply #4 - Apr 16^th, 2010 at 4:34pm

jlab58 Offline
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safe landing!
montreal,can.

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you're right billk i made a mistake with ants sorry.

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Reply #5 - Apr 16^th, 2010 at 10:18pm

Billk Offline
Lieutenant Colonel
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Dave, you've made my day!
Problem solved plus some further helpful advice; thank you.
I would never have figured this out by myself as I had no understanding of [contact-points] and still don't, however I would like to improve my knowledge if possible. Is there any literature on the subject that you could recomend to me which would assist?
By the way I'm on Eastern Australian time, so a fair time difference with N.W.

Bill

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Reply #6 - Apr 16^th, 2010 at 10:37pm

dave3cu Offline
Colonel
Procrastinate now, don't
put it off.
3CU, Northern Wisconsin, USA

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Posts: 3077

Bill,

If you have the SDK installed you can open the 'fsxsdk.chm' file. You'll find a section on 'Aircraft Configuration Files' that will explain all entries in the 'aircraft.cfg' file.

If you don't have the SDK you can view the same info here-http://msdn.microsoft.com/en-us/library/cc526949(v=MSDN.10).aspx

Also, you can view the aircraft.cfg file of any default aircraft and you'll find notation explaining many of the entries, including notation above the [contact_points] for that section.

Dave

At that time [1909] the chief engineer was almost always the chief test pilot as well. That had the fortunate result of eliminating poor engineering early in aviation. Igor Sikorsky

I intend to live forever....so far, so good. Steven Wright

You know....you can just rip up a to-do list.

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Reply #7 - Apr 17^th, 2010 at 12:58am

AuMaV Offline
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Old Git
The Great Southern Land

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Posts: 293

dave3cu wrote on Apr 16^th, 2010 at 8:42am:

Bill,

In the aircraft.cfg file, the brake map for the right gear (point.2) is wrong. Change the 1 to a 2 as follows.

[contact_points]
......
.....
point.2= 1, 2.270, 4.300, -6.15, 1875,

2

,...............

To increase the effectivness of differential braking, in the [brakes] section play with the 'differential_brake_scale=0.50'. I found that 1.50 works well for button/key control. You may find a different value that's better for proportional control.

Dave

DOH!!! now that was a silly mistake on my part

thanks for pointing it out Dave
Wozza

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Reply #8 - Apr 17^th, 2010 at 1:04am

Billk Offline
Lieutenant Colonel
I Like Flight Simulation!

Posts: 5

Dave,
I do have SDK installed but have never attempted to look at it, believing that I would only get myself into trouble, given my ignorance of the workings of the program. However, following your advice, I will approach it with enthusiasm(not too recklessly though, I hope).
Thanks again,

Bill

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