EasyStar modifications

The EasyStar is a nice and stable platform but with it having rudder and elevator its manoeuvring capabilites leave some with the want for more. The physical modifications to the plane are pretty easy stuff however the servo control is more of a complex situation. With the aileron only getting a single output from the receiver hooking up two servos needs additional work whereas using the aileron and elevator outputs and then elevon mixing requires a 1 instead of a 0.

How would you add ailerons?
Y-connector or Elevons or something different.

P.S. I have a Futaba 6EX 2.4GHz TX and Rx system, BL motor, 2200mAH 3S LiPO.

Y-connector gives a larger elevator

Elevons gives more control over the airframe at the cost of another channel

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  • Ok so with everything in my Easystar I did a system check excluding APM to get the trims and centres done right ready for APM being included. Worked perfectly with elevons coded for in the transmitter. I plugged in the APM and used the test programs to check the RC and all that jazz but noticed a few things that concern me.

    The RC input worked perfectly and I used the values in the APM_config.h. When I put the servo output debug in the values produced did not change even though the elevons and rudder moved. I was in hardware failsafe though so I don't know if they are meant to change then :S

    Whilst not in debug mode and hardware failsafe, stabilize and flybywireB, the left elevon works perfectly but the right one will only move down.
    If I pitch the nose down (on transmitter) both move correctly.
    If I pitch up only the left elevon works
    If I roll clockwise the both work perfectly.
    If I roll counter clockwise only the left works.

    Any ideas?
    I'm wondering if for some reason the servo is at one end and not centered it couldn't go one way. I was under the assumption that servos center on startup.
  • Developer
    The easiest way to add ailerons to the EZ* is, IMO, to get a set of EasyGlider wings.
  • I used a Y connector when I had ailerons on my EZ*.

    Crashed that one. I'm just sticking to big rudder, CF rod in the tail boom, magnets on the cockpit, 2200kv brushless.

    I keeps the trouble-shooting a little easier for me.

    I'm a n00b pilot, and wanted to focus on learning the AP side of things before I tackled the airframe part of things.

    It's hard for me because it is all fun, but keeping the airframe simple and stable at first allows you to focus on learning how to use and tune the AP.

    just my .02

    JC
  • Oh yes. Please. More control surfaces like Flaps, airbrakes... on the mega. Add my vote ;-)
  • 3D Robotics
    Just use a Y-connector for the two ailerons servos. No need for mixing...
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