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  1. #31
    RCdiy RCdiy's Avatar
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    Jul 2016
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    Canada, Ontario
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    141
    Started a new thread on instant trims
    http://forum.flitetest.com/showthrea...640#post360640

    Quote Originally Posted by rockyboy View Post
    I know instant trim sounds like a great idea, but I had a horrible experience using in. Maybe I was using it wrong. Anyway, I was holding straight and level into the wind, popped the instant trim button, and relaxed the sticks back to center. And they plane didn't fly quite right. So I figure no problem - I'll just get level again and try the button a second time. Hoo boy - that really messed things up, now I was barely hanging onto control. I was able to get it on the ground with minimal damage finally, but it's a good thing I had my brown pants on that day.

    I think what happened is the second time I hit instant trim it didn't know how to account for the trims that were already there along with the stick movements. And this might have been all noob pilot error as it was about two years ago too, but I've done manual trims ever since.
    RCdiy.ca
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  2. #32

    Join Date
    Sep 2016
    Location
    Novato CA
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    9
    Might be fun just to share some of our favorite ideas and maybe that will spark something for other folks that will help them.

    I fly gliders, but I fly mostly slope gliders. The typical glider setup has all kinds of mixes from all kinds of switches and knobs. I used to setup my planes in the Taranis like I had in my Futaba, the traditional switches and pots, and try to remember them all. Somewhere along the line I started trimming down my mixes for how I actually fly my planes. This is my Slope Glider setup:

    I have triple rates for elevator and ailerons on 2 different switches. If it is a race plane, my lowest rates will be my race levels, these will be very low, and you would not want to use them for aerobatics!! This keeps the plane as clean as possible without a bunch of extra throw.

    For my "glider mixes" I have a single switch, and I only use 2 positions on that switch. I basically have a "landing mode" and a "flying mode". In landing mode I turn off the other glider mixes and enable my crow mix that is controlled by the throttle stick. The first 50% of travel for the throttle stick is just flaps, the second 50% also adds in spoileron. (This allows me to have full roll control for more turbulent conditions (full use of ailerons), but full braking when in cleaner air.) When in Flying Mode, the crow mix is turned off, and the throttle now does nothing. Snap flap is on (for most planes) and applies a little ailerons/flap with the elevator and a little flap to aileron mix so the flaps follow the ailerons by 50% or so. That is basically it. I also can dial a little flap down via a pot, I use this for launching and when searching for lift. A little flap on launch helps to avoid a tip stall. This comes in handy when self launching a big 10 lb glider that likes to tip stall at low airspeeds.

    For my thermally planes, I will add a thermal mix, and may even have an aileron to rudder mix for when I am specking out the glider. I usually like to do the rudder with my left hand, but I get lazy when flying very high and will let the radio do the basic mixing for me. When I am flying a thermal ship I am often times just flying with the right stick and chatting with a buddy. LOL

  3. #33
    raneous's Avatar
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    Apr 2017
    Location
    Northern Michigan
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    34
    Quote Originally Posted by tamuct01 View Post
    The coolest thing I found on the Taranis recently is the instant trim feature. It's a special function that I tie to the momentary switch (SH, I think) that when activated will take the input from the sticks and transfer to the trims. Excellent when performing a maiden on a new plane. Just hold it steady and pull the switch. Just be sure to deactivate the function before the next flight in case you accidentally bump it!
    And any one else using 2.2.0 and insta trim

    While I agree with rockyboy on the using manual trims, I did not have the confidence to take my hands off the sticks when I first started flying a couple months ago. I too was very excited about finding the insta trim function! My only concern was accidentally bumping it somehow I could see bad things happening there. I found somewhere that there was a SH long or short press option and thought "Perfect, I'll HAVE to hold the momentary down so no worries about accidentally engaging the function.

    Well I'm running 2.2.0 and this option was removed from that firmware. Why, I could not tell you? Seems to me that having the option would be handy? At any rate knowing there is more than one way to skin a cat, I set about doing some research and came up with this solution.Click image for larger version. 

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    I created a logical switch and used the EDGE function. V1 is your momentary (SHdown), V2 is the amount of time you want the delay set at. I chose 2sec (which is longer than it sounds when your trying to fly flat on your maiden with the trims out). In the second box match the time that you choose and set it to "infinite". Then as a bonus you can add the AND switch to be your arming switch (SFdown in my case) so that it can only be activated while armed. Then go to special functions and set L01 to be insta trim and check the activate box. One thing that happens when you set it up like this is that you won't hear the insta trim audible cue until you release SH. If you held it long enough you'll hear it, if you don't hear it you have to try again. I did not like this uncertainty so I added another special function to play a sound while SH was being held. Set the repeat interval at 1s and now ta-da! An audible cue to assist you in knowing how long you've been holding SH.

    Funny part about this is I set it up for my 3rd FT Arrow build. Maidened it, hit the insta trim when I had her flying straight (so I thought). It was still a little off though but not so much that I was too intimidated to leave the stick and give it the little bit of manual blips it needed. Haven't used insta trim since. I just needed that initial toss in the water and now I'm swimming
    Last edited by raneous; 08-19-2017 at 08:08 PM.
    The memories of yesterday are already gone. And the memories of tomorrow may never be. So enjoy the memories you are making today.

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  4. #34
    RCdiy RCdiy's Avatar
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    Jul 2016
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    Canada, Ontario
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    141
    Thinking out loud
    wonder about practicing using instant trim p in a simulator like clear virw, phoenix etc.
    RCdiy.ca
    Stay Safe & Have Fun
    http://rcdiy.ca
    Paying it forward by sharing my Lua scripts, documentation and videos.

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