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XP8103 Program Help Needed

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Old 09-13-2002 | 11:16 AM
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From: Bowling Green, KY
Default XP8103 Program Help Needed

First:

How do I make a mix for knife-edge. once the plane is on 90 it needs just a tick of up and right alerion, just a little bit.

Second:

How do you set up spoliers, my wings are on two different channels, it's a Ultimate Bipe.

Thanks
Old 09-13-2002 | 01:49 PM
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From: Champaign, IL
Default XP8103 Program Help Needed

I copied and pasted some instructions from a programming guide we have available. If you would like the whole file, send an email to [email protected] requesting the programming guide for the 8103. It is an MS word file.


Flaperon/Spoileron Set-Up

For a 3D set-up, we will set up the spoilerons. One good way to set up the spoilerons for harriers and elevator maneuvers, is to mix elevator to flap. An easy way to do this mix is with the elevator flap mix, which will work with the flap mix switch. Press the up key till it says ELEV-FLAP MIX in the top line. This will set it up so that they will work with the flap mix switch in the up position. Just flip the switch up, push down elevator, and press the – key until with down elevator the ailerons both go down. If they go up, press the + key instead of the – key. I use 100% in this mix to help keep the wings from rocking in an elevator or harrier. Now pull up elevator and press the – key until with the up elevator, both ailerons go up. If they go down, press the + instead of the – key. Again, I use 100% here. If you would like to have this on a different switch, or would like to have this function work with the spoilerons be active with the switch in the down or LAND position, follow the mix below. Lets set this up in mix 4. Press the up key till you get this mix. Now press the + key till the first channel says elev. Press the channel key so that the second channel is underlined. Next, you will press the select key until the arrow points at SW. You can put this on a few different switches, but lets set this up on the flap mix switch. Press the + key until it says LAND. This will activate when the switch is in the down position. Now we will press the select key to get back to where the arrow points at Rate. If it says OFF, move the flap switch down to the land position. Pull up elevator, and make the value –100% with the – key. Now push down elevator, and make the value –100% again. This should make the ailerons go up with up elevator and vice versa. If they go opposite of this, change the –100% values to + 100% to reverse it. Of course if you want to set-up flaperons instead of spoilerons you would make the ailerons go down with up elevator and vice versa.

Knife Edge Mixing

Many aerobatic planes require some elevator and aileron correction to keep knife-edge maneuvers straight. To do this, use mixes 1 and 2. Both these mixes are 5 point mixes, so you can use these either as standard mixes, or set all 5 points to have more mix at each end point than you would have otherwise. This is particularly useful when you have a plane that requires a lot of compensation at full rudder, but not very much at low stick movements. With the 5-point mix, you can set the curve to have a low effect around center, but then have a lot of effect at the extents of the stick movement. Good starting points for the percentage of the mix for elevator is around 8% – 10% and increase or decrease the value as necessary. Usually the amount required for aileron correction is less, and will be closer to 5% or under for most planes.
To do this mix, press the up or down key until you get to mix 1. Now press the + key until the first channel says RUDD. Press the channel key, then press the + key until the second channel says ELEV. Press select once now. The screen should now say Point-L with –100 underneath it. Press the + and – keys until you get the mix value needed at full stick deflection. If the elevator correction responds in the incorrect direction, change the percentage of the points from + to – or vice versa. Press the CH key to adjust the next point, by again pressing the + and – keys to get the desired value. Repeat until you have adjusted all 5 points. Press the CH key one more time and it will give you the option of having exponential on the response curve. If you would like to have expo in the response, press the + key. Repeat this process for the rudder to aileron in mix 2.

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