#Weird SimValue with Elevator Trim Wheel

1 messages · Page 1 of 1 (latest)

simple silo
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Hi All.

MSFS2020 with FBW320

In the past i used FSX with the stock Airbus and over FSUIPC i got the values for the trim wheel from -16383 to +16383. After formula-based modification in MF i managed it to move my 3D-build Trim Wheel accordingly over my own build servo (a geared motor doing 10 turns, controlled by an old servo elevctronics).

Now with MSFS and FBW (without FSUIPC) i looked into hubhop and found only the Generic "ELEVATOR TRIM POSITION" which gives me values from -0,06977 to 0,235607 in Flight Sim Value.

Is the only way to adopt it to my mechanics by (re-)creating a formula which translates these weird values into a Output Value i could use for my special servo?

Or should i re-install FSUIPC, which i deinstalled some time ago?

placid tusk
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The units on ELEVATOR TRIM POSITION are radians

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I see no reason why you could not use ELEVATOR TRIM PCT, instead, with units of Percent

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There is also ELEVATOR TRIM INDICATOR, with units of Position (-16k to +16k)

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Take your pick

simple silo
placid tusk
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that is how the variable is listed in the MSFS2020 SDK

image.png
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Maybe it is -16k to +16k?

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ohh I didnt realize I had said above -16k to +16k

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the sdk says -16k to 0

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so that is what should be correct

simple silo
# placid tusk that is how the variable is listed in the MSFS2020 SDK

Thats really unusual ... however, it just changes the formula if it will work for my needs.

(I've been programmer in the past as well. But defining a range from -16k to 0 ... hm ... that's more than odd.
Though we are talking about Microsoft. There is nothing odd. Always working as designed. 😎 )

simple silo
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It's getting more and more confusing.
Regardless which variable i choose, i'm getting values from -0.29... for 4Dn on the trim wheel and 0.99... for 13.5Up
Even when using Elevator Trim Pct ... which stands for percentage i guess.

When changing the plane from the FBW320 to the stock A320 i receive -0.12 for 4Dn and 0.4 for 13.5Up

Later this evening i will re-install FSUIPC to see what values i receive when using the correspnding offset.

simple silo
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Well, when using Offset 0x0BC2 from FSUIPC i receive -4825 for 4Dn and 16383 for 13.5Up

Could anybody bring some clearance to me?

placid tusk
simple silo
placid tusk
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Just like I wrote above

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After the variable name a comma and the units name

simple silo
placid tusk
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OK, if you use a preset, then units are most likely taken care of. However, in this case, the units in the preset are defined as "percent over 100",which returns a decimal fraction from 0 to 1.0

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(A:ELEVATOR TRIM PCT,Percent Over 100)

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If you want a number from 0 to 100, you either have to use a transform to multiply times 100 or alternatively, change the units to "percent".

dreamy depot