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PMDG Odd Wheelbrake Behaviour

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Using FSUIPC6 with the PMDG B777 usually works fine. However, today, it seemed like the wheel brakes were 'dragging' or even 'ON' no matter the input. Checking the reaction to inputs on FSUIPC Calibration all was working and indicating normal.

Power needed to achieve forward speed was way more than normal - any suggestions?

 

Edited by roadrabbit149
punctuation

Intel i9900K @ 3.60 GHz, nVidia RTX 2080i (11 GB RAM onboard),
32 GB RAM, 2TB HDD, 1TB SSD, 500 GB SSD, ASUSTek Tuf Z390-Plus Mobo
(LGA1151); Running P3Dv5.4, MSFS2020 and XPlane11;

It happened to me a few times in the PMDG 737. I noticed that the pushback didn't complete or I stopped it partially and the tow didn't disconnect. So, I was pushing the truck too. I changed the pushback to manual and it stopped.

Intel I7 6700k @ 4ghz, nVidia 3070ti 8gb, 16 gb ddr4 @ 1066mhz,  500 ssd, 2tb hdd, 2tb ssd, ASUS z170-E mb, Samsung 24" @ 1920x1080, P3D 5.4, MSFS

Check the calibration of your controllers windows settings can affect this. 

 

Raymond Fry.

PMDG_Banner_747_Enthusiast.jpg

21 hours ago, roadrabbit149 said:

Using FSUIPC6 with the PMDG B777 usually works fine. However, today, it seemed like the wheel brakes were 'dragging' or even 'ON' no matter the input. Checking the reaction to inputs on FSUIPC Calibration all was working and indicating normal.

Power needed to achieve forward speed was way more than normal - any suggestions?

 

I normally get rid of those additional interfaces (FSUIPC in your case) and always avoid using them. To me, they mean trouble. Couldn't you map your controller directly to the parking brake in sim?.

Cheers, Ed

MSFS2020 Steam  // Rig: Corsair Graphite 760T Full Tower - ASUS MBoard Maximus XII Hero Z490 - CPU Intel i9-10900K - 64GB RAM - MSI RTX2080 Super 8GB - [1xNVMe M.2 1TB + 1xNVMe M.2 2TB (Samsung)] + [1xSSD 1TB + 1xSSD 2TB (Crucial)] + [1xSSD 1TB (Samsung)] + 1 HDD Seagate 2TB + 1 HDD Seagate External 4TB - Monitor LG 29UC97C UWHD Curved - PSU Corsair RM1000x // Thrustmaster FCS & MS XBOX Controllers

One of the beauties of FSUIPC is that it gives you a window into the sim's internals.

If you use FSUIPC's logging feature, and log offsets 0BC4 and 0BC6 (16-bit integers) and select the option to put them in an FS window, you can see definitively in real time if brakes are being applied.  0BC4 is left brake application, 0BC6 is the right brake...0 is no brakes, 16383 is full brakes.

If it's zeroed out, then hunting for a calibration issue is pointless.  If the brakes are being applied, then the hunt is on.

Bob Scott | President and CEO, AVSIM Inc
ATP Gulfstream II-III-IV-V

Sys1 (MSFS20+24/XPlane12+11): AMD 9800X3D, water 2x240mm, MSI MPG X670E Carbon, 64GB GSkill 6000/30, nVidia RTX4090FE
Alienware AW3821DW 38" 21:9 GSync, 2x4TB Crucial T705 PCIe5 + 2x2TB Samsung 990 SSD, EVGA 1000P2 PSU, 12.9" iPad Pro
Thrustmaster TCA Boeing Yoke, TCA Airbus Sidestick, Twin TCA Airbus Throttle quads, PFC Cirrus Pedals, Coolermaster HAF932 case

Sys2 (P3Dv5/v4): i9-13900KS, water 2x360mm, ASUS Z790 Hero, 32GB GSkill 7800MHz CAS36, ASUS RTX4090
Samsung 55" JS8500 4K TV@60Hz,
3x 2TB WD SN850X 1x 4TB Crucial P3 M.2 NVME SSD, EVGA 1600T2 PSU
Fiber link to Yamaha RX-V467 Home Theater Receiver, Polk/Klipsch 6" bookshelf speakers, Polk 12" subwoofer, 12.9" iPad Pro
PFC yoke/throttle quad/pedals with custom Hall sensor retrofit, Thermaltake View 71 case, Stream Deck XL button box

Sys3 (DCS/P3Dv4/ATS/ETS): AMD 7800X3D, MSI MPG X870E Carbon, Noctua NH-D15S, 64GB GSkill 6000/30, EVGA RTX3090
Alienware AW3420DW 34" 21:9 GSync, Corsair HX1000i PSU, 4TB Crucial T705 PCIe5 + 2TB Samsung 970Evo Plus,
TM TCA Officer Pack
, Saitek combat pedals, TM Warthog, TM RS300 FF wheel/pedals, Coolermaster HAF XB case

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