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Help with equations

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(@mitsman)
Posts: 2
New Member
Topic starter
 

Hi all, great app and great forum.

Im after some help trying to create a gauqe in torque pro for my auto transmission. Atm iv got modes, pids and equations for each gear setup on on/off indercattors on my dashboard but i would like it to display a simple 1 2 3 4 or 5 gear.

1st 2102 {J:2}
2nd 2102 {J:3}
3rd 2102 {J:4}
4th 2102 {J:5}
5th 2102 {J:6}

I also would like to know true torque converter slip, so the difference between input shaft speed and engine rpm

Is this do-able?

Thanks

 
Posted : 01/12/2017 6:48 am
(@cintakc)
Posts: 1667
Noble Member
 

{J:2}*1+{J:3}*2+{J:4}*3+{J:5}*4+{J:6}*5

 
Posted : 01/12/2017 7:24 am
(@mitsman)
Posts: 2
New Member
Topic starter
 

Thanks i should of known it was that easy

 
Posted : 01/12/2017 9:45 am
(@capp777)
Posts: 2999
Famed Member
 

If you have the pid for input shaft speed
and engine rpm it should be doable with
a custom pid.

Something like...

Name: True Slip
Header:
Mode/Pid:
Equation: Val{Input Shaft Speed}-Val{Engine RPM}

Note that your long names must match exactly. Equation
given is an example only.

 
Posted : 01/12/2017 7:55 pm
(@f-150torqued)
Posts: 436
Reputable Member
 

If there is slip across the TC, wouldn't it be Val{Engine RPM}-Val{Input Shaft Speed} for a positive Torque Slip value? - Just messin' with ya' @Capp777.

FWIW, for the FORD owners, if it's a 2004-2008 F150 5.4L Triton, PID # 11b8, TCS, Torque Converter Slip, RPM, equation (A*256+B)/4 gives positive Slip in actual
RPM.

----------------------

54371019

 
Posted : 04/12/2017 12:12 am
(@capp777)
Posts: 2999
Famed Member
 

Note that equation given was an
example only 🙂 Just in case the
difference is actually between input and
output shaft speed 😉

 
Posted : 04/12/2017 12:21 am
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