ACFT Move with parking break set at 1000rpm warming up

[lephilb]

Dear all

Just buy this wonderful toy… but I have a small problem

When parked with chocks and breaks ( or only with one of the two ) and the engine warming up at 1000 rpm, the aircraft is slightly moving on the tarmac. When looking from outside I see the whole aircraft AND chocks moving slowly

my config is with Saitek Yoke and Rudder + FSUIPC ( Break parameters set according to the forum )

any idea ?

Thanks

[Lewis - A2A]

Hello,

Before we begin troubleshooting you will need to bear in mind there is a common FSX bug in which aircraft with exhibit 'creep' under certain situations. Its a super slow creep moving when at low power or on many aircraft even at below idle. It sounds like this is just an example of this bug. It will normally happen even with parking brakes on.

Have you tried using your normal brakes and testing, sometimes using the normal brakes rather than parking brake is the best solution. There is also a friction fix that has been incorporated into programs such as FSUIPC and I think can be found free ware else where that might help with the issue too. It will also improve FSX friction across the board from what Ive read.

thanks,
Lewis - A2A

[lephilb]

Thanks Lewis for the quick answer

I'm ashamed… I'm so in a hurry to fly the beast that I do not take time to google the problem….

Sorry ! I'm going to implement the fix immediately and see if it solve the problem

[Lewis - A2A]

Hello.

No problem at all. Feel free to use this forum to ask questions and what not, its what its here for. We will try and answer what we can and if we cannot at least point you in the direction where answers might be.

thanks,
Lewis - A2A

[lephilb]

ok, I have installed the correct lua file that should solve the Friction problem and declared it in fsuipc.ini... looking at the log file, it load correctly ....but it does not solve the problem.

holding the two brakes with the toes then sounds ok...but not really usefull when preparing a flight while warming up

[Lewis - A2A]

Oh and the latest update will help you out too;
http://a2asimulations.com/forum/viewtop ... 08&t=36710

thanks,
Lewis

[lephilb]

Wel.... I have done all advised steps ( updating C172 to latest version + activating the Lua file in FSUIPC )

And... it continue to move alone ... Just made a tour in SION (CH) and with throttle idle I start to taxi after releasing breaks

FSUIPC calibration looks ok ..

I'm lost

[Scott - A2A]

Try the default Microsoft Cessna 172. Run it up to say 1500 or 2000 RPM. See if it creeps.

Scott.

[Oracle427]

Every airplane creeps in FSX, I'm not aware of any way to eliminate this 100%

[THibben]

I don't recall seeing any creep recently so I just ran a check on my C172 to verify. I ran it up to 1700 RPM with just the parking brakes on. I had no creep at all.

I use PFC hardware which includes the rudder pedals with toe brakes. My system uses an Intel i7 980X overclocked to 3.3, an ATI Radeon HD 5850 and 12G ram. My system is 64 bit.

If I can help solve the creep others are having let me know.

Tom

[lephilb]

@Scott…

I' tried the MSFT Cessna ( beurk;-) ) and it creeps also at 1000 rpm

Sorry … It's not A2A problems then… I will have to look on the side of the sim ( but I already installed the FSUIPC tweak )

Merry Christmas

[Oracle427]

THibben,

I am surprised to hear this. Try stopping the airplane right at the hold short line so it is right at the edge of the nose. Then set the parking brake, bring the power to run-up at 1800 RPM (I think it is 1800 RPM) and then give it about 30 seconds and see if the hold short line doesn't disappear under the nose. The creeping is very slow, but after 30 seconds you should creep forward about 2 "sim inches".

It isn't too noticeable unless you are watching a nearby object.

[THibben]

THibben,

I am surprised to hear this. Try stopping the airplane right at the hold short line so it is right at the edge of the nose. Then set the parking brake, bring the power to run-up at 1800 RPM (I think it is 1800 RPM) and then give it about 30 seconds and see if the hold short line doesn't disappear under the nose. The creeping is very slow, but after 30 seconds you should creep forward about 2 "sim inches".

It isn't too noticeable unless you are watching a nearby object.

When I ran my check it was night. I was looking at the side of the plane from the outside. There were lights in the background in line with the cockpit. The RPM was at 1700 and there was definitely no creep. I ran it for at least 30 seconds. I will try it again during the day on a line.

Tom

[Oracle427]

I trust that was a good enough check. I wonder why you don't get the creep.

[THibben]

I trust that was a good enough check. I wonder why you don't get the creep.

Oracle,

I did another check today and found it is creeping very slightly at 1700 RPM. I looked for creep in another aircraft and it seemed to me it was much more pronounced.

I must have been half asleep during last nights check. I had never really noticed it recently until the subject came up. It is certainly something I can live with.

Tom