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Can trim be put on "wheels"? (Read 1121 times)
Dec 19th, 2003 at 10:46pm

Thunderboy   Offline
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Just wondering if trim controls can be put onto a potentiometer, or it its confined to a button. Potentiometers would give us actual trim wheels!???

(CFS2)
Any one know? ???
 
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Reply #1 - Dec 20th, 2003 at 5:42pm

npbosch   Offline
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Yes, it certainly can. I used in my pit. It is a bit difficult to explain in a few words. Depends also of your knowledge of making changes in the fs9.cfg file.

I suppose you resd the fs2004control.doc from peter dowson. He explains very well how to achieve your goal.

You can find it here:
http://www.schiratti.com/dowson.html

Regards

http://home.wanadoo.nl/norbert.bosch
 
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Reply #2 - Dec 20th, 2003 at 5:43pm

npbosch   Offline
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Forgot to say CFS2 and FS2002/2004 use more or less the same technique.
 
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Reply #3 - Dec 21st, 2003 at 11:48pm
The_Decoy   Ex Member

 
My joystick came with wheels for trim. Just thought I would say that, so it is obviously possible. Tongue
 
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Reply #4 - Dec 22nd, 2003 at 8:47am

JBaymore   Offline
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Welcome to the Homebuild Cockpits section Thunderboy, npbosch and decoy.

I don't know about CFS2 or 3 but in FS2004 if you go to the settings section and look in the joystick configuration assignments.... you can find all the settings that can be assigned to "axis" type copntrols....... ie. - potentiometers.

best,

.................john

PS:  (edited) In reading the recent messages, I just noticed that Will also mentioned this concept in the chopper collective question  Wink.
 

... ...Intel i7 960 quad 3.2G LGA 1366, Asus P6X58D Premium, 750W Corsair, 6 gig 1600 DDR3, Spinpoint 1TB 7200 HD, Caviar 500G 7200 HD, GTX275 1280M,  Logitec Z640, Win7 Pro 64b, CH Products yoke, pedals + throttle quad, simpit
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Reply #5 - Jan 3rd, 2004 at 6:57pm

Thunderboy   Offline
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That is great, - it looks like you have to add more "x" and "y"s, so that will be a pain, but..

- Im just getting the parts together now for a WW2 style Throttle, mixture, lever, and the "Pull" type knob for the cowl flaps. I plane to add all the rocker switches/ ignition button to make it as real as possible. Ill post plans, and links for gears, etc. when Im done. Very cool. I had to use the multi-meter to test the wire, as the colors do NOT match up with the posts on how to build a throttle, but the#s match up. This makes it way easier to control the throttle/ cowl flaps/ mixture. If aI can get the Trim figured out, ooohlala   -I reccomend it!

Now this says that ONLY the elevator trim can be analoged, at least for 2000.Maybe CFS2 is different? Well, that is the main one anyway.
Thanks all Smiley
 
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Reply #6 - Jan 3rd, 2004 at 9:03pm

Thunderboy   Offline
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Ok, Im not sure you can add the elevator axis to CFS2. Here is the data:

Analogue Axes
The analogue inputs are enabled by:
1.      Adding a 'bit' into the AXIS_FLAGS for that input. Add values together, as follows:
     1 for Axis 0 (the X axis, typically aileron)
     2 for Axis 1 (the Y axis, typically elevator)
     4 for Axis 2 (the Z axis, typically throttle)
     8 for Axis 3 (the R axis, typically rudder)
     16 for Axis 4 (the U axis)
     32 for Axis 5 (the V axis)
     64 for Axis 6 (this is actually the "POV", Point Of View hat)
     
     So, for example 15 indicates the usual basic 4 joystick axes (X,Y,Z,R).
2.      Adding 3 lines per Axis:
     AXIS_EVENT_nn=<control name>
     AXIS_SCALE_nn=<scale>
     AXIS_NULL_nn=<null>
     where:
     nn is the Axis number (00-06)
     <control name> is simply that: select a suitable analogue control from the list!
     <scale> controls sensitivity. For any well calibrated joystick, the value 64 is usually the best start here for all normal axes, although 128 for full throttle (THROTTLE_SET) works well. A negative number here reverses the sense of the control, making it increment with the opposite movement.
     Note: for discrete value axis controls, listed later, the SCALE value needs to be 1 or -1 (although the negative value won't find much use). Such controls need to be allocated only to Axis 6 in each Joystick section, as the other inputs will be affected by calibration.
     <null> is best set 0 for throttles and analogues other than the three primary flying controls, unless the analogue axis concerted has any "jitter" (i.e. is not stable at centre or either extreme, wherever the 'normal' setting is). The null zone on the main flying controls is a matter for personal preference-for helicopter flying I'd advise a very small amount!
     Note: Always set a zero value for the NULL zone for discrete value axis controls, as described later.
Note that, apart from the convention already adopted, and for compatibility, there is no specific requirement to associate throttles with Axis 2 and ailerons with Axis 0, and so on. However, you should note that the "centre" calibration system, as appropriate to aileron, elevator and rudder, is only applied to X, Y and R axes. Where centering is not important, as in most all other cases, this allocation is not really so relevant.
=================================
CFS2:

[JOYSTICK_MAIN {6F1D2B70-D5A0-11CF-BFC7-444553540000}]
LOCKED=0
AXIS_EVENT_00=AXIS_AILERONS_SET
AXIS_SCALE_00=127
AXIS_NULL_00=1
AXIS_EVENT_01=AXIS_ELEVATOR_SET
AXIS_SCALE_01=127
AXIS_NULL_01=1
AXIS_EVENT_02=AXIS_THROTTLE_SET
AXIS_SCALE_02=127
AXIS_NULL_02=1
AXIS_EVENT_05=AXIS_RUDDER_SET
AXIS_SCALE_05=127
AXIS_NULL_05=1
BUTTON_DOWN_EVENT_00=FIRE_PRIMARY_GUNS
BUTTON_DOWN_REPEAT_00=1
BUTTON_UP_EVENT_00=STOP_PRIMARY_GUNS
BUTTON_DOWN_EVENT_01=FLAPS_INCR
BUTTON_DOWN_EVENT_02=FIRE_SECONDARY_GUNS
BUTTON_DOWN_REPEAT_02=1
BUTTON_UP_EVENT_02=STOP_SECONDARY_GUNS
BUTTON_DOWN_EVENT_03=FLAPS_DECR
BUTTON_DOWN_EVENT_04=GEAR_TOGGLE
BUTTON_DOWN_EVENT_05=DEC_COWL_FLAPS
BUTTON_DOWN_EVENT_06=ORDNANCE_RELEASE
BUTTON_DOWN_EVENT_07=ORDNANCE_CYCLE
BUTTON_DOWN_EVENT_08=WAR_EMERGENCY_POWER
BUTTON_DOWN_EVENT_09=NUMPAD1
POV_MOVE_EVENT_00=PAN_VIEW
POV_MOVE_REPEAT_00=1
-------------------------------------------------------------------

The only thing I noticed is that the Axis #'s skip from 0-2, and then 5, with 3-4 missing. So maybe you can add:

AXIS_ELEV_TRIM_SET, But it looks like its not supported. Any thoughts?

Thanks! ???

 
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Reply #7 - Feb 26th, 2004 at 5:23am

stormbird   Offline
Lieutenant Colonel
Hey ! It compiles ! Ship
it !

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Additional question.
In a GA cockpit what is the relationship between trim wheel direction and trim applied ?
If I have the wheel end on to me and turn it up does the nose go up or down !
logically I would expect turning the wheel up would trim nose down ? but as I have found lots of things are not logical i.e rudder works opposite to a bike handle bars or a box car steered by the feet  !
regards paul
 
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