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Programmable Mixes

Discussion in 'Radio Programming Questions' started by econpatric, Nov 29, 2012.

   
  1. dadstoysbg

    dadstoysbg 50cc

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    As far as using a rate switch, I just keep playing with EXPO until I don't need to change rates much. This helps with snaps. You want high rates on the Ail. and rudder but low on the elev. Using high rate on the elev. puts the plane in to deep and you lose it in a stall. High rate should not be you 3-d rate or as I call it my stupid rate. Dennis
     
  2. econpatric

    econpatric 70cc twin V2

    Man you guys sure hit a home run for me on this one! I guess I had a few assumptions on the proper use, but have never felt like I had a good grasp of mixing (at least enough to try it in real life!).

    I have tried stuff on the simulator, but it never seemed to help. It always threw everything off. This makes a bunch more sense now, because we're actually correcting imperfections in the airplane, and on the sim I use there are no real imperfections! Thanks a million!
     
  3. dadstoysbg

    dadstoysbg 50cc

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    If you have a flying buddy you trust you can do this. And I'll use knife edge mix as a example.
    Have the mix screen up on the radio and fly the plane. Lets say left to right in knife edge. While your holding it with the sticks, have your "co-pilot" put in the mix until you don't have to hold the knife edge. Then do it right to left. The mix is done and you didn't have to land to make changes. I have done this many times. Dennis
     
  4. econpatric

    econpatric 70cc twin V2

    That sounds like a fun trick! I have to try that on one my squirrly CAP... So, I would most likely mix ailerons and elevator for something like that? I would assume I would want that on a switch... right?
     
  5. dadstoysbg

    dadstoysbg 50cc

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    If you have coupling you want to have the mix on all the time. Here's another example why. If you have coupling in a flat turn where the inbound wing drops when you input rudder. During a landing were you what to slide the plane over to the runway. the last thing you need is for the wing to drop when your close the ground. Also during competition if you what to slide the plane to straiten out your line you don't what the judges to see that wing drop.
    I leave all my coupling mix's on all the time. Dennis
     
  6. Steve_B

    Steve_B 70cc twin V2

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    Usually for KE you have two mixes programmed:

    1. Rudder to elevator - This corrects for the model pulling toward the canopy or tucking toward the landing gear.
    2. Rudder to aileron - This corrects for the model trying to roll out of KE

    You need to set up each one separately and no, you wouldn't usually want to have them switched, just 'on' all the time
     
  7. dadstoysbg

    dadstoysbg 50cc

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    Also Steve by having the mix 2 is also the flat turn mix. And the mix can be different from Lt. to Rt. or Rt. to Lt. Dennis
     
  8. gyro

    gyro GSN Contributor

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    Mine usually end up being slightly different left vs. right.
     
  9. could somebody give me an example of how/why you would use flight modes and Mix 2? i read the book alil on this but like to see an example to better understand.

    thanks fellers!
     
  10. econpatric

    econpatric 70cc twin V2

    Aha! This makes perfect sense... for some reason in my head this was going to cause problems in normal straight and level flight. :banghead:
     
    Last edited by a moderator: Nov 30, 2012
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