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LUA dynamic friction mod 737NGX

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With FSX people used this ground friction mod, including me with FSUIPC. Is this still needed with P3D?


Vernon Howells

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I have recently installed it and I love it.  It works wonders for the 777 

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Unfortunately that bug is still present in P3dv3 so yes i use it and its the bomb, not only do the PMDG suffer from GF IMHO all aircraft do in some way... and a dab of thrust with full fuel/pax/cargo and the big iron rolls nicely and turns much better in regards to taxing...


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Rick Wilson

 

 

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Thought this was not needed with PMDG?


David Murden.  P3D v5  FSL A321 / A320 / A319 : PMDG NGu / 748PMDG NG / 747-/ 777 : QW 787 :  Maddog MD-80 :Q400 :

DCS: A10C Warthog : AV-8B Harrier :  F-14B Tomcat  : F-16C Viper F/A-18C Hornet 

My FSL Walkthrough PDF From GPU to Parked.      My PMDG NGXu Light Mod      My PMDG NG SpotLight Profile/Mod.  

PC 4790k@4.6 : 1070 : 16GB DDR3 RAM : Thrustmaster Warthog HOTAS: Thrustmaster TPR.

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I can find no appreciable difference between V2 and V3 without the mod.  It makes a noticeable difference on the 777 during taxi. No longer a need to boost the thrust leavers to keep it rolling.

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PMDG 777/NG for me is always a very light fuel load under 10% for the 777 around 20-25% for the NG

 

I need very little throttle to break away and taxi is just about idle in the 777 and around 23.5-24 mark for the NG. Not saying it's right or wrong might be a better topic in PMDG 777/NG forum and hear from some of the real life 777 pilots.

 

Just not convinced its the way to go. Like most things it might be down to personnel taste.


David Murden.  P3D v5  FSL A321 / A320 / A319 : PMDG NGu / 748PMDG NG / 747-/ 777 : QW 787 :  Maddog MD-80 :Q400 :

DCS: A10C Warthog : AV-8B Harrier :  F-14B Tomcat  : F-16C Viper F/A-18C Hornet 

My FSL Walkthrough PDF From GPU to Parked.      My PMDG NGXu Light Mod      My PMDG NG SpotLight Profile/Mod.  

PC 4790k@4.6 : 1070 : 16GB DDR3 RAM : Thrustmaster Warthog HOTAS: Thrustmaster TPR.

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With this LUA the 737-800 starts moving slowly with the throttles at idle.

( FSX 737-800 modified for Project Magenta and P3Dv3 )

 

I tried to find more about it on the IN but found only Pete's comment that indeed a 737-800 starts moving with the throttles at idle..

 

Anyone has more info on that ?


Gerard

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I'm using the MOD but i deleted the ROLLING entry line at set friction


Vernon Howells

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I'm using the MOD but i deleted the ROLLING entry line at set friction

Can you tell me why you did that ?


Gerard

7940x ( 14 cores ) : 8 cores @ 4.8 - 6 cores @ 4.0 Ghz - Gigabyte X299 Gaming 7 - 32 Gb G.Skill Trident Z 3200Mhz Cl 14 - Gigabyte GTX 2080 TI Windforce OC @1920 Mhz - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - Thermaltake Level 10 GT case - EKWB Extreme 240 liquid cooling set push/pull - 2x 43” Sony 4K tv's in NVSurround

8700K : all 6 cores @ 5.0 GHz - Asus ROG 370 - 16 Gb 4000 MHz @ 3600 Mhz - Gigabyte GTX 2080 Windforce OC @ 1900 Mhz - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - 1x 55” Sony 4K tv

My flightsim vids :  https://www.youtube.com/user/fswidesim/videos?shelf_id=0&sort=dd&view=0

 

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Just not convinced its the way to go. Like most things it might be down to personnel taste.

 

David, I think that really is the point.  None of us are truly qualified comment on what is accurate behavior or not unless you are type qualified.  The behavior with the mod 'seems' more accurate to me on larger aircraft types.  Like most here,  I have only been a pax on the 777 many times over and I have never heard the engine spooling on a straight taxi run,  I have however felt breaking quite often in order to slow the aircraft down.  From my frame of reference, this is what is represented using the mod.

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The problem with using the FSUIPC mod with the NGX is that PMDG have already adjusted engine thrust at low N1 so that taxiing thrust and breakaway thrust are representative. This compensates for the higher friction. If you apply friction is reduced so now the engine thrust is too high and the aircraft will roll with very little extra thrust. On system with the mod enabled, the fully loaded -700 won't move at idle but begins to move at 22% N1.

 

However it's still worth using the mod because the lateral tyre forces and contaminated runway effects are much improved. you can adjust the effects and choose which you want to use. So you could keep the rolling friction as it is and have the modified sliding and/or braking effects. Best of both worlds.


Vernon Howells

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Great.  I didn't realise that there were optional  parameters.

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David, I think that really is the point.  None of us are truly qualified comment on what is accurate behavior or not unless you are type qualified.  The behavior with the mod 'seems' more accurate to me on larger aircraft types.  Like most here,  I have only been a pax on the 777 many times over and I have never heard the engine spooling on a straight taxi run,  I have however felt breaking quite often in order to slow the aircraft down.  From my frame of reference, this is what is represented using the mod.

Since I've never been  on a 777 Erich I enjoyed your insight.

 

I don't have a reg version so I would get all or nothing. But don't have anything to lost to try it out, so I might as well try it.


David Murden.  P3D v5  FSL A321 / A320 / A319 : PMDG NGu / 748PMDG NG / 747-/ 777 : QW 787 :  Maddog MD-80 :Q400 :

DCS: A10C Warthog : AV-8B Harrier :  F-14B Tomcat  : F-16C Viper F/A-18C Hornet 

My FSL Walkthrough PDF From GPU to Parked.      My PMDG NGXu Light Mod      My PMDG NG SpotLight Profile/Mod.  

PC 4790k@4.6 : 1070 : 16GB DDR3 RAM : Thrustmaster Warthog HOTAS: Thrustmaster TPR.

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Trying to get this working on works PC in FSX

Its not working

 

DynamicFriction.lua    added to Modules folder

 

[Auto]
1=Lua DynamicFriction
 
added into config
 
Does it work when your not registered? 

David Murden.  P3D v5  FSL A321 / A320 / A319 : PMDG NGu / 748PMDG NG / 747-/ 777 : QW 787 :  Maddog MD-80 :Q400 :

DCS: A10C Warthog : AV-8B Harrier :  F-14B Tomcat  : F-16C Viper F/A-18C Hornet 

My FSL Walkthrough PDF From GPU to Parked.      My PMDG NGXu Light Mod      My PMDG NG SpotLight Profile/Mod.  

PC 4790k@4.6 : 1070 : 16GB DDR3 RAM : Thrustmaster Warthog HOTAS: Thrustmaster TPR.

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