RE: Spektrum DX-7  
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    • All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> RE: Spektrum DX-7
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    RE: Spektrum DX-7 - 2/18/2008 12:04:07 PM   
    Flypaper 2



    Posts: 4337
    Joined: 3/29/2002
    From: Kingston, ON, CANADA
    Status: offline     		RC David:
    You probably have this already fixed but the % on the screen are the% of servo travel and have nothing to do with expo. If the travel 5 are not set right, servos can be stalled at throttle off or full throttle. Activate the expo where it says inh. Actual expo is done on page 79 in the book as you mentioned.

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    Dreamed I was a muffler. Woke up exhausted.

    (in reply to alcarafa)
           Post #: 2626

    RE: Spektrum DX-7 - 2/19/2008 7:11:32 PM   
    alcarafa


     

    Posts: 292
    Joined: 12/11/2006
    From: Merida, Yucatan, MEXICO
    Status: offline     		Not really surprised about the results, but do you guys know wich are the fastes radios on the market ? futaba 12 Z / 14 Z and DX7 !!!!! yes it is as fast as those so called major leagues radios and Futaba fasst tech is way under spektrum DX7.

    What a good choice this radio is in performance, quality and price.

    (in reply to Flypaper 2)
           Post #: 2627

    RE: Spektrum DX-7 - 2/20/2008 12:25:17 AM   
    dick Hanson



    Posts: 10176
    Joined: 12/12/2001
    From: slc, UT, USA
    Status: offline
    quote:

    ORIGINAL: alcarafa

    Not really surprised about the results, but do you guys know wich are the fastes radios on the market ? futaba 12 Z / 14 Z and DX7 !!!!! yes it is as fast as those so called major leagues radios and Futaba fasst tech is way under spektrum DX7.

    What a good choice this radio is in performance, quality and price.

    Bang for the buck- the best of the bunch
    I did get a X9303 but only because a friend wanted my DX7 and I lost no money on it.

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    Libby

    (in reply to alcarafa)
           Post #: 2628

    RE: Spektrum DX-7 - 2/20/2008 8:12:18 AM   
    RC David


     

    Posts: 246
    Joined: 11/11/2007
    From: Chicago, IL, USA
    Status: offline     		Thanks Flypaper 2.

    I have not fixed it yet as I had a little incident :-( My first crash. Not major but needed new blades, landing skids.

    I will eventually see if expo helps me. Right now the cyclic is pretty loose around center stick already. The DX7 is so complex, I'm afraid of changing ANYTHING while I'm just learning how to hover.


    Dave D.

    (in reply to dick Hanson)
           Post #: 2629

    RE: Spektrum DX-7 - 2/20/2008 1:28:49 PM   
    digtman


     

    Posts: 35
    Joined: 7/27/2005
    From: Hoffman est, IL, USA
    Status: offline     		how to program dual elevetor servos on the DX7? I cant figureit out, it's easy on my CAP9 futaba, should i get the JR9 spectrum if i want that?

    (in reply to RC David)
           Post #: 2630

    RE: Spektrum DX-7 - 2/20/2008 1:49:43 PM   
    bigbird007



    Posts: 176
    Joined: 6/30/2003
    From: Shelton, WA, USA
    Status: offline
    quote:

    how to program dual elevetor servos on the DX7? I cant figureit out, it's easy on my CAP9 futaba, should i get the JR9 spectrum if i want that?


    Look here: http://www.rcaerobats.net/Spektrum/dx_7_main_page.htm


    Maybe this link should be "sticky". How many times has this question been asked on this thread...

    bigbird

    < Message edited by bigbird007 -- 2/20/2008 1:50:07 PM >

    (in reply to digtman)
           Post #: 2631

    RE: Spektrum DX-7 - 2/20/2008 3:08:26 PM   
    smooreace


     

    Posts: 427
    Joined: 12/30/2006
    From: Scranton, KS, USA
    Status: offline     		Purhaps making the Search button bigger would help everyone out. I will request that from the admins

    (in reply to bigbird007)
           Post #: 2632

    RE: Spektrum DX-7 - 2/20/2008 3:47:50 PM   
    digtman


     

    Posts: 35
    Joined: 7/27/2005
    From: Hoffman est, IL, USA
    Status: offline     		hey bigbird, the manuals and sights dont tell me how to program dual elevator servos , u can post it all u want , dont help any, i think i need the jr9 spectrum

    (in reply to smooreace)
           Post #: 2633

    RE: Spektrum DX-7 - 2/20/2008 3:55:10 PM   
    goirish



    Posts: 1534
    Joined: 12/7/2005
    From: Litchfield, MI, USA
    Status: offline     		Doesn't this explain how to set up dual elevators. I don't have any planes with dual elevators, but I think this covers it.

    Elevator Set up
    1. Power off tx and turn back on. Go to normal programming mode
    2. Scroll to P-mix 6 (or Mix 5 - mix 5 and 6 "master" trim changes into both master and slave channel. Mixes 1 through 4 do NOT - editor). Set ELEV as master and AUX2 as slave.
    3. Scroll to Sub Trim and set the neutral for the right side elevator with ELEV channel and the neutral for the left side elevator with AUX2.
    4. Scroll to Travel Adjust. Set the desired travel for the right side elevator with the ELEV adjustment.
    5. Scroll back to P-Mix 6 and tweak the travel of the left side elevator to match the right side with the mix values, for each stick direction.


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    (in reply to digtman)
           Post #: 2634

    RE: Spektrum DX-7 - 2/20/2008 4:14:48 PM   
    digtman


     

    Posts: 35
    Joined: 7/27/2005
    From: Hoffman est, IL, USA
    Status: offline     		YES!!!, that's it! I'm new at this and the manual says nothing odf the kind, thanx again goirish

    (in reply to goirish)
           Post #: 2635

    RE: Spektrum DX-7 - 2/20/2008 4:43:44 PM   
    dick Hanson



    Posts: 10176
    Joined: 12/12/2001
    From: slc, UT, USA
    Status: offline
    quote:

    ORIGINAL: digtman

    YES!!!, that's it! I'm new at this and the manual says nothing odf the kind, thanx again goirish

    Nope -you left out a few steps

    On all these TX -- the DEFAULT SWITCH POSITIONS are ON - Really dumb but all of em do it
    so first thing -- is to go to setup page and INH switch and trim
    Then you can mix el> aux 2 in mix 5 or 6
    add 100% both ways besure to get travel direction opposite the El channel
    then leave it all alone
    done this way- the two servos will move EXACTLY the same with without expo or irrespective of travel adj .
    Now install the servos in the model and adjust linkages and horns ( leave the radio alone ) till movements are identical


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    Libby

    (in reply to digtman)
           Post #: 2636

    RE: Spektrum DX-7 - 2/20/2008 5:15:35 PM   
    goirish



    Posts: 1534
    Joined: 12/7/2005
    From: Litchfield, MI, USA
    Status: offline     		Thanks for the add-on. Like I said I don't have a plane using dual elevator servos. Always get the best help on RCU

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           Post #: 2637

    RE: Spektrum DX-7 - 2/20/2008 5:27:38 PM   
    gnirwin



    Posts: 807
    Joined: 6/4/2003
    From: Doylestown, OH, USA
    Status: offline     		I noticed that Horizon is offering a free upgrade on their receivers. has anyone taken or planning to take advantage of this. I bougt a new receiver a couple weeks ago. I need to check it to see if has the upgrades already incorporated. Apperently they hve been shipping receivers with 2 new features, the first is "quick Disconnect" which eliminates the 3 second delay due to sub 3.5 volts and the second is a flashing receiver telling you the battery is low voltage. for dsm2 recivers only. I have 5 receivers that I will be sending in in the near future. Sounds like Horizon is making good on a design feature that wasn't ideal.

    http://www.horizonhobby.com/Explore/Article.aspx?ArticleID=1756

    < Message edited by gnirwin -- 2/20/2008 5:35:26 PM >

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    (in reply to goirish)
           Post #: 2638

    RE: Spektrum DX-7 - 2/20/2008 5:52:52 PM   
    goirish



    Posts: 1534
    Joined: 12/7/2005
    From: Litchfield, MI, USA
    Status: offline     		How do you know what receiver you have and if it needs the upgrade?

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    (in reply to gnirwin)
           Post #: 2639

    RE: Spektrum DX-7 - 2/20/2008 5:58:17 PM