上架日期
10/01/2014 8761
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Runway friction in Prepar3D... Problem identified: Unrealistic …
Solution? FSPS's Frictionality P3D

Runway friction in FSX was always a subject of discussion in the developers and advanced users community. The problem in a few words is that FSX friction is unrealistic. In some cases aircraft would taxi on idle thrust while the real aircraft was not behaving like this (or vice-versa) at the exact same conditions. (Runway condition, thrust, weight), aircraft is accelerating faster in wet / snow covered runways and more. And not only that but – unfortunately – due to the relation of FSX/Prepar3D, the problem was carried to the Prepar3D also!

At the start many thought that the aircraft physics model was not made correctly: For example that the thrust was misconfigured or that the weight distribution played a role.
Actually all problems (most times) are due to the way Prepar3D is handling friction.

You can easily test out yourself a part of the problematic default Prepar3D settings by accelerating with a specific aircraft to a specific ground speed down the runway.
You will notice that you will need (just for example) 10 seconds to reach 50KTS GS on model “X”. By changing the weather setting to have a wet runway you will see that you will need LESS time (i.e. 9.7 seconds) to reach the same speed. Is that possible?

Thinking lightly , someone would say yes. The friction of the same surface when on dry compared to wet is higher, so the opposing force would also be higher, so the distance on the same thrust and weight – thus the time – to reach the same speed would also be higher. But is that true? No. In real life there is also the resistance from the mass of water that the wheels travel on and cut through, so a 'virtual weight' or an opposing force, is added to the formula... That – in real life – causes the aircraft to need more distance and additional time to reach the same speed when on wet!

Some people in the past tried to fixed the problem by replacing the Sim1.dll (the file that contains all friction values). Although a pioneer approach to solve the problem, the quality of the results would vary from user to user as some smaller aircraft behaved differently from bigger ones. So the 'patch' would work nice for some but not so nice for others who use different aircraft.

FSPS decided to resolve once and for ever the “Prepar3D friction” problem. By directly communicating with Prepar3D (no need for any external software like FSUIPC) we managed to manipulate the friction for each surface and condition (dry, wet, snow) you could encounter. We managed to be able to manipulate it in real-time, without need of a 'patch' or changing any Prepar3D file. We placed all our knowledge into an application 'armed' with profile saving so you would save each friction for each of your aircraft.

That way you would fix (if you like) only the Grass runway wet friction for your little Cessna that you may don't like , and leave everything else untouched OR you would change all friction values for your complicated Boeing 737 home simulator for all kind of runway types your may encounter and for each of the weather conditions...

Dear FSPS customers, we proudly present you “Frictionality P3D” . The application that will change Prepar3D's friction for ever...

Features:

  • Real time rolling friction manipulation for all types of Prepar3D runways for all wheel configuration aircraft.
  • Real time friction manipulation for sliding and braking friction.
  • Real time friction modifiers manipulation for Wet and Snow contaminated runways.
  • No additional software necessary to send friction into Prepar3D.
  • Profile saving capability that enables you to save different friction sets for any aircraft of your fleet.
  • Popular Aircraft profiles are provided build-in for ease of starting up.
  • Ability to load profile from another aircraft. If they are similar models there is no need to set all the way the second aircraft.
  • Ability to load profile from external sources. If you find a profile shared in the internet or a friend has one ready, loading it is a matter of just some clicks.
  • Test mode to check how the changes you are doing reflects to the aircraft's usage.
  • Results stored in Test mode table for reference during tests.
  • Auto profile loading when selecting a 'ready' & saved aircraft.
  • Significantly light application using latest programming technologies resulting in zero Prepar3D frames reduction.
  • 30 pages PDF manual.
  • License transfer capability without need to contact Support in order to use software on as many PCs you want (only one will work at a time however).
  • … and more
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最近的评论:
gilberto
*验证产品用户*
10/03/2014
tudo certo, o programa faz o que proteme.
pista seca, molhada ou contaminada. cada caso tem uma aceleração ou frenagem diferente.
recomendo.
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论坛/常见问题
文件大小
26MB
使用需求

Windows: XP SP3 / Vista / Win 7 – 32 or 64 bit /
Win 8 (but not recommended for use with Prepar3D)
2 Core Processor with 2GHz per core speed.
1GB RAM
Lockheed Martin's Prepar3D – v 1.4 or v 2.4 or v2.5.x or v3.x
Microsoft's NET Framework 3.5 SP1
Latest Version of FSUIPC 4 by Peter Dowson. (Registered or unregistered) Up and running internet connection for activation and license status checking (each time application starts).
A PDF viewer application for reading the manual.
Application must run only on Prepar3D - PC (not remotely)

Limitations:

One active license at a PC at any given time. (Checked via online activation after every installation.) Multiple installations supported using License Transfer function.

语言
English
开发者
FSPS
客户评价
DAZZLE COLOUR GAME CO.,LTD. - 中国-乌鲁木齐-地窝堡国际机场 ZWWW FSX P3D
Ma
不得不说这个机场令我非常失望,-
T2航站楼完全就是糊弄事,贴图-
和模型完全不是他们原来的水平,-
如果说他们的ZYMH我还能说出-
几个问题,这个机场的问题我完全-
说不尽,它到处都是问题,地面材-
质,画线有大量错误,跑道也是默-
认的。。。不管怎么样,我认为它-
是不值这个价格的。
DAZZLE COLOUR GAME - 中国-漠河古莲机场 ZYMH FSX P3D4
Ma
这不是曾经那个彩炫了,这个产品-
可以打个及格分,如果你在他们折-
扣的时候购买,那么是值这个价格-
的。 1.跑道是默认的,这不-
是一个付费产品该有的表现 2-
.模型和贴图还是有当年的水准,-
但有一些材质处理的非常不好,在-
某些特定阳光照射角度会出现非常-
诡异的闪光。 3.漠河机场周-
边是森林,但这个机场周围一棵树-
都没有,机场显得非常突兀。 -
总的来说比乌鲁木齐要好,但但也-
就仅此而已了。
FSCGAA - 博茨瓦纳-哈博罗内国际机场 FBSK P3D4
Ma
对得起这个价格,绝对的一流水准-
,模型贴图处理得恰到好处,有些-
许桥哥的风格。 PS:如果不-
把贴图分辨率开到4096,车道-
线会有些糊。
AFRICA DESIGN - 索马里兰-伊戈尔国际机场 HCMH P3D4
Ma
折扣期间购买的,总的来说对得起-
这个价格,贴图差点意思,付费级-
产品的合格水准。 PS:在机-
坪上滑行有凹凸不平抖动的感觉,-
不知道是故意做的还是怎么回事,-
不过效果其实不错。
WF SCENERY STUDIO - 中国-昆明长水国际机场 ZPPP P3D4 P3D5
lei
非常漂亮的机场,可惜没有卫星楼-
,希望作者能不断的升级,包括虹-
桥,咸阳都已经变化太大了,需要-
更新了,加油,看好作者的作品。
DOUBLE T - 台北桃园国际机场 RCTP MSFS
bocheng
看著這個機場已經很久了,於是在-
這個用買了模擬飛行 機場設計得很細緻,玩起來更有深-
入情境的感覺 是一個視覺盛宴,希望之後可以有-
更多這樣的模組
DOMINICDESIGNTEAM - 中国-成都双流国际机场 ZUUU MSFS
wang
别的就不吐槽了,02R跑道的引-
进灯柱有那么高吗,每次落地都怕-
要蹭到,而且机位的地面标线明显-
有问题,双流的大部分廊桥位都是-
停不下宽体的,结果还标上777-
,747等机型的停止线
SALT LAKE SIMULATIONS - KSLC - SALT LAKE CITY INTL AIRPORT MSFS
煊尚
作為鹽湖城還不錯的一個付費插件-
,期待後續更新
WF SCENERY STUDIO - 中国-北京首都国际机场 ZBAA MSFS
尚真
这是WFS出的机场,可以说是当-
之无愧的Mega Airport,就连内景也做得-
非常精致。但是制作超精致也带来-
了严重的掉帧问题。
SAMSCENE - 北京市年华 MSFS
少博
可能是卫星图的原因 有些部分还原的细节不到位 建模还是一流水平 希望制作组后期在完善一下夜晚景-
色和部分AI模型 期待!
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