Brakes Question ?
#21
Posted 20 February 2015 - 12:54 PM
MSTS
Application 0-1% minimum tap = 6 lb reduction, 15 lbs at the BC
Application 2% = 6.5 lb reduction, 16 lbs at the BC
Application 11% = 7.8 lb reduction, 20 lbs at the BC
Application 27% = 11.5 lb reduction, 26.5 lbss at the BC
ORTS
Application 0-1% minimum tap = 6 lb reduction, 15 lb at the bc
Application 7% = 7 lb reduction, 18 lbs at the BC and a perfect holding set at 29.5 MPH
Brake settings for all of the cars:
BrakeEquipmentType( "Handbrake, Triple_valve, Auxilary_reservoir, Emergency_brake_reservoir" )
BrakeSystemType( "Air_single_pipe" )
MaxBrakeForce( 23.4kN )
MaxHandbrakeForce( 27.5kN )
NumberOfHandbrakeLeverSteps( 100 )
TripleValveRatio( 2.5 )
EmergencyResVolumeMultiplier ( 1.461 )
MaxReleaseRate( 15 )
MaxApplicationRate( 3.5 )
MaxAuxilaryChargingRate( 5 )
EmergencyResCapacity( 7 )
EmergencyResChargingRate( 5 )
EmergencyBrakeResMaxPressure( 90 )
BrakeCylinderPressureForMaxBrakeBrakeForce( 50 )
So something has happened between 2869 and the later version of 2883.
Off to download 2883 to see if I get similar results to Scott's test.
#22
Posted 20 February 2015 - 01:05 PM
I'm using both BLW's free L&N F-9's - probably one of their earliest works and just to make sure I am also testing with later Monon F-3's - the coal hoppers are my PRR set from the FL... Both locomotives give very similar results... I dropped the caboose just to simplify things but it didn't change the results...
I'm on my epic commute home at the moment so I won't be much help for a while...
Regards,
Scott
#23
Posted 20 February 2015 - 01:09 PM
I just ran my test train on build 2883 and I get the same results as under 2869. 7% gets me 17-18 lbs on the brake cylinders and a perfect holding set, this time at 34.5 MPH on a 35 zone.
There is definitely something wrong with the cars or the engine controllers. You too are getting 15 lbs in the cylinders (I hadn't looked closely at your second screen shot until now) and that shouldn't be stopping your train. :)
#24
Posted 20 February 2015 - 01:15 PM
#25
Posted 20 February 2015 - 01:15 PM
WrxPRR1hop55-LD.wag (3.95K)
Number of downloads: 272
:)
#26
Posted 20 February 2015 - 01:18 PM
Thanks for taking the time to look...
I've got some of Mark's work as well - let me try some different equipment...
If this is a simple equipment issue - my apologies for troubling everyone...
:rolleyes:
Regards,
Scott
#27
Posted 20 February 2015 - 01:20 PM
Will do - I won't be home until after 1900 EST - so it will be later tonight...
Regards,
Scott
#28
Posted 20 February 2015 - 01:24 PM
#29
Posted 20 February 2015 - 01:29 PM
atsf37l, on 20 February 2015 - 01:15 PM, said:
WrxPRR1hop55-LD.wag
:rolleyes:
You would also need to set your friction value, if you want prototypical results.
#30
Posted 20 February 2015 - 01:32 PM
Roger that...
Should I just crunch it in FCALC ?
Regard,
Scott