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  1. #1

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    airplane gyro updated

    Hello folks!
    I've been out of flying fields for a while, but now I'm back.
    I would like to have a gyro on my 25% extra 300 rudder and maybe on ailerons too.
    I've been searching on this forum and Google, but it is all old talking. I'm looking for something more up to date.
    The gyro must have the turn off option via some spare channel on my Aurora 9.

    Thanks!
    M.

  2. #2
    rc4flying's Avatar
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    RE: airplane gyro updated

    Look at the PowerBox "iGyro"
    Joe "Papa" Stek
    rc4flying

    Team Futaba
    Desert Aircraft
    Carden Aircraft
    Team Elite Aerosports East Coast Rep

  3. #3

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    RE: airplane gyro updated

    I thank you very much,but 500 buck on a gyro is just too much for my tight budget.
    Do you know something more affordable?

    Thanks
    M.

  4. #4

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    RE: airplane gyro updated

    The Eagle Tree Guardian is 3 axis and has an aux channel. It can be operated via a spare channel. It goes for $63 to about $75 from what I have seen. If you forsake the aux channel and turn off feature the Eagle A3 and the Orangerx three axis gyro are around $30 and $15 respectively.

  5. #5

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    RE: airplane gyro updated

    Motomike, thank you, that is exactly what I need.

    But I have a question.
    The Guardian has 3 axes and 3 channel.
    Only one channel for the aileron, but I have two aileron servos on my extra 300.
    How would I connect it?

    M.

  6. #6

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    RE: airplane gyro updated

    The AUX channel on the Guardian is used for the second aileron.

    Bruce
    Bruce L. AMA# 54227
    Ultra Sport Brotherhood #15

  7. #7

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    RE: airplane gyro updated

    Most recent MAN has review of the Guardian on page 70.

    Mike

  8. #8

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    RE: airplane gyro updated

    The device seems to be perfect, but could anyone tell me where I could buy one?
    Nobody has it on stock.

    M.

  9. #9

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    RE: airplane gyro updated

    Mvarzoni

    I see that. If you go to Eagle Tree website the guardian is on back order and expected in late September. From what I gather if you wait until they show in stock, they will be gone before you can place the order. Same is true of Hobby King which has them for $63. might be worth ordering them to make sure you get in line. Otherwise, I see some EBay vendors have the A3 flight stab in stock for $24 to $45.

    I know that if you get the Eagle Tree, there is a rather extensive manual possibly written by someone for whom English is their first language, which takes you through the set up as well as a tutorial on the unit. The Eagle Tree offers a lot of customization via your PC if you are so inclined. The Eagle Tree Guardian has a separate aileron channel. Eagle Tree has options for in flight adjust for gain and in flight switchable from 2d/3d/off. Eagle Tree has a presence in Washington state and a phone number where you can talk to a person. All of that is definitely worth something when compared to the other less expensive options.

    How much difference there is between the $15 Hobby King Orange 3 axis flight stab, the $25 A3 and the Guardian in quality and performance, I don’t know but at $15 the orange unit has some pretty extensive forum discussion. That might be worth a try as well.

    Good luck
    Mike



  10. #10

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    RE: airplane gyro updated

    Hi, I have two of these Guardian units which I need to mount upside down, as indicated in the manual as being OK. I have been unsuccessful in resetting level flight and trims via the "toggle" operation, even with many tries. The knob is being used as the gain control.
    Both units work in the same way.

    As a result (and in confirmation), the elevator moves in the wrong direction in 3-D, and in 2-D, it wants the ailerons to roll the airplane.

    I must be doing someting simple wrong. The toggle, I presume, using a three position flight mode switch on a DX-8, is to go from 3-D to off to 2D and back thru off to 3-D. The center position turns the Guardian off. Any suggestions?

    thanks...

  11. #11

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    RE: airplane gyro updated


    ORIGINAL: verendrye

    Hi, I have two of these Guardian units which I need to mount upside down, as indicated in the manual as being OK.*I have been unsuccessful in resetting level flight and trims via the ''toggle'' operation, even with many tries. The knob is being used as the gain control.
    Both units work in the same way.

    As a result (and in confirmation), the elevator moves in the wrong direction in 3-D, and in 2-D, it wants the ailerons to roll the airplane.

    I must be doing someting simple wrong. The toggle, I presume, using a three position flight mode switch on a DX-8, is to go from 3-D to off to 2D and back thru off to 3-D. The center position turns the Guardian off. Any suggestions?

    thanks...
    You are correct on the toggle.
    If the unit causes the control to move in the wrong direction. Reverse the gain setting. See the manual. It discusses that.
    A correct set up guardian makes flying about like driving a car. You don't need to keep the wings level. And if the elevator is correct you don't have to bother with that either.
    dirty old men need love too.

  12. #12

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    RE: airplane gyro updated

    Yes, of course, the elevator is easily reversed, but in the 2-D mode, the (inverted) Guardian insists that the aircraft is upside down, and tries to roll it to upright. Reversing the aileron would only make the roll from counterclockwise, to clockwise, or the reverse.

    It was suggested to me that the one-toggle operation would fix it, but it doesn't.

    thanks.

  13. #13

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    RE: airplane gyro updated

    What is your airplane attitude when you toggle it?
    Call Eagletree.
    dirty old men need love too.

  14. #14

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    RE: airplane gyro updated

    Upright and level.

    Eagle Tree advised me that the one-toggle would set things in order. It doesn't.

    Thanks

  15. #15

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    RE: airplane gyro updated

    Do both units do that?
    If so call Eagletree and rant.
    dirty old men need love too.

  16. #16

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    RE: airplane gyro updated

    Yes, the behavior is identical in both units, which were from different manufacturing runs.

    Do you have units which you operate upside-down?

    What sort gains ae you using? I mounted one in a 60-sized pulse (right side up so that the pots are not ascessible) and flew briefly this morning. I was conservative, with gains on all three set at 40, and only tried 2-D.

    thanks

  17. #17

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    RE: airplane gyro updated

    I have never tried to operate it upside down.
    My gains are set to maximum. I think its maximum. Its hard to see those little dots. I get a little oscillation in the elevator at times.
    dirty old men need love too.

  18. #18

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    RE: airplane gyro updated

    Thanks, your info is helpful.


  19. #19

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    RE: airplane gyro updated


    ORIGINAL: mvarzoni

    Hello folks!
    I've been out of flying fields for a while, but now I'm back.
    I would like to have a gyro on my 25% extra 300 rudder and maybe on ailerons too.
    I've been searching on this forum and Google, but it is all old talking. I'm looking for something more up to date.
    The gyro must have the turn off option via some spare channel on my Aurora 9.

    Thanks!
    M.
    Here is another gyro: http://www3.towerhobbies.com/cgi-bin...&I=LXCNFS&P=ML

    Doug.

  20. #20

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    RE: airplane gyro updated

    The Hobbyking unit came available but before I could get the order finalized (Its unbelievable the hoops you have to jump thru to pay for something on a credit card on an international order) the units were on back order again.
    dirty old men need love too.

  21. #21

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    RE: airplane gyro updated

    There is no information given on the tower unit. There appears to be no way to turn it on or off during flight.
    dirty old men need love too.

  22. #22

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    RE: airplane gyro updated

    I lost my test airplane today. The gyro had apparently shifted on its mount and I did not have enough control authority to get it straight.
    lesson learned: Don't mount the gyro on velcro. Tie it down good.
    dirty old men need love too.

  23. #23

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    RE: airplane gyro updated

    Try Futaba GYA350
    GYA351
    GYA352 any of these work !

  24. #24

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    RE: airplane gyro updated

    The only Futaba three axis gyro I find on the tower hobbies inventory is not available until some time this month. They have no information on it . They refer you to the Futaba web site. A search of the Futaba site does not locate any information.
    It appears to be like the Hobbyking unit at three times the price.
    dirty old men need love too.

  25. #25
    Moderator BarracudaHockey's Avatar
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    RE: airplane gyro updated


    ORIGINAL: dirtybird

    I lost my test airplane today. The gyro had apparently shifted on its mount and I did not have enough control authority to get it straight.
    lesson learned: Don't mount the gyro on velcro. Tie it down good.
    hehe ya, don't tie it down though.

    Two layers of 3m Outdoor mounting tape (gray tape, red backing). You dont want anything transmitting airframe vibration directly to the gyro sensor. You don't want it coming loose either
    Andy - Helicopter Forum Moderator
    AMA 77227 Leader Member- Contest Director
    www.JaxRC.com


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