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07-24-2020 01:42 AM  18 days ago
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pcinc

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Westfield, MA

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Acrobatic set up help
I'm trying to set up an Acrobatic in a DX9 radio and need some help. I've been out of the hobby for a while now and trying to get back into it but it seems I have forgotten how to set up a heli in my radio. I have 4 servo swash selected and have tried plugging them into every slot possible on the receiver with no luck. Is there a set up guide posted anywhere that would walk me through a set up?
Thanks in advance
Peter
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07-24-2020 02:56 AM  18 days ago
Steve.Favorite

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Brookville, Ohio

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Need more information, pics of your heli would help.
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07-24-2020 03:16 AM  18 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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pcinc I have 4 servo swash selected and have tried plugging them into every slot possible on the receiver with no luck.
/
/

Dx9 spektrum is not like older FM radios.

Probably, you need to BIND receiver with the transmitter.

There is no other way to operate this "new" format.

Let's share more info!

/
Saludos cordiales,
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07-24-2020 04:03 AM  18 days ago
pcinc

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Here’s a few pictures of what I’m working with

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07-24-2020 04:06 AM  18 days ago
pcinc

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Westfield, MA

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I did bind the receiver to the radio. I got this Heli through a sale here on RR a few years back. All servo wires are labeled where they go including the gyro and GV1
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07-24-2020 04:41 AM  18 days ago
Steve.Favorite

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Brookville, Ohio

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What wire is plugged in the receiver in the pic?
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07-24-2020 04:53 AM  18 days ago
Steve.Favorite

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Brookville, Ohio

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that's in the gear port and upside down
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07-24-2020 04:54 AM  18 days ago
Steve.Favorite

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or is it in the bottom row?
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07-24-2020 04:59 AM  18 days ago
pcinc

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Westfield, MA

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it's the battery and it is in the bottom row. It took me a while to figure out the rows and the orientation of the wires.I had all the wires plugged in to the channels they are labeled and nothing worked at all.I swapped over to a known good 7 channel receiver and bound it to the transmitter. I tried plugging in only the 4 servos that control the swash and still nothing worked correctly.
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07-24-2020 05:03 AM  18 days ago
Steve.Favorite

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Brookville, Ohio

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Look in the assign channel menu, you should be able to assign channels to the outputs there.
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07-24-2020 05:06 AM  18 days ago
Steve.Favorite

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Brookville, Ohio

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also look at your servo monitor screen to see what the radio thinks it is moving when you move the sticks
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07-24-2020 07:34 AM  18 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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/
/

There are two rows of connectors.
The polarity is printed, negative -, positive + and data ^ for the up row.
Data ^, positive +, negative -, for the down row.

So, the data cable pins for both rows are near each other.

If Your transmitter Dx9 can modulate DSM2 and DSMX,you need to select what modulation you required.

You must select DSMX according to your receiver on your Dx9 and REBIND.

/
Saludos cordiales,
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07-24-2020 01:00 PM  18 days ago
pcinc

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Westfield, MA

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Steve.Favorite Look in the assign channel menu, you should be able to assign channels to the outputs there.

Here is a screen shot of my channel assignments
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07-24-2020 01:10 PM  18 days ago
pcinc

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Westfield, MA

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Steve.Favorite also look at your servo monitor screen to see what the radio thinks it is moving when you move the sticks

Here are some screen shots of the servo monitoring screen.
Starts with the throttle low,mid,then high.Followed by aileron left, the right, followed by elevator stick down/bottom, then Up/top.
It looks like everything is going the right direction in relationship to each other.
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07-24-2020 01:16 PM  18 days ago
pcinc

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Westfield, MA

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Looks like the order of pictures got mixed up when I uploaded them. The key parts are ail and pitch go opposite each other and the 2 elev channels go opposite each other. Then they all move together in the opposite direction when the throttle is moved from low to high.
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07-25-2020 02:25 AM  17 days ago
Steve.Favorite

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Brookville, Ohio

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Ok now the assign channel menu should tell you which outputs are which
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07-26-2020 06:47 PM  15 days ago
pcinc

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Westfield, MA

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A big shout out and huge thank you to Joe Howard for helping me get squared away with this. He spent well over an hour on the phone with me the other night, trying all sorts of different things to sort it out. It turns out I had a couple of issues going on. I bought this Heli used and all the servo wires were labeled and I plugged them in to my receiver according to these labels. Turns out 2 of the servos go into different channels on my set up. I also needed to reverse a couple of channels to get the servos working together. The majority of my issue was my old batteries. I had charged and cycled 3 different batteries and this is what I was using to set it up with. Turns out because of the time I have been idle in the hobby, all my batteries are tired and no longer any good. I used a fresh charged battery and Joe had me squared away in no time. I have ordered a new battery for this Heli and have discarded all my old batteries. Thank You to all that responded with suggestions and a big thank you To Joe for taking time out of your schedule to walk me through troubleshooting this. Once my new battery gets here, I’m hoping to finish this set up on the head, neaten up the wiring after mounting the receiver and get this helicopter flying.
Thanks again everyone
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07-29-2020 09:41 PM  12 days ago
pcinc

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Westfield, MA

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Now that I have everything working properly and waiting for a new battery to show up, I've moved on to the head set up. I adjusted the links from the servo to the swash to get 13mm with the swash gauge. Swash is perfectly level but in order to get the 13mm I had to lengthen all the servo links to 68mm long. The manual calls out 61mm. Is this going to make any difference or create another problem? Checking blade pitch with the fly bar level, I get -15 on the bottom, 0 mid stick and +15 with the throttle stick all the way up. I went into the swash menu and adjusted the pitch from +60 to +50 and got +11 on the top with the throttle stick up, but the bottom is still -15 with the throttle stick down.How do I adjust the bottom to be -2 or -3? Do I put the swash menu back to +60 and adjust everything with the pitch curve to get to -2 and +11? I should know how to do this but seem to be having a senior moment about it.
Thanks
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07-29-2020 11:48 PM  12 days ago
Notar

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Taxachussetts

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This is a senior moment
Leave the swash menu set at 60 for the time.
At half stick, set the jig under the swash.
Manually adjust the rods to give 5.5-6.5 degrees of pitch.
Then, check low and high points and adjust electronically in the radio to give -2 at low and +10 or so at high.
Joe
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07-30-2020 01:26 AM  12 days ago
pcinc

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Westfield, MA

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Doh!
I worked on this all afternoon and knew I was going about it all wrong. I didn’t remember it being that difficult so I walked away from it and started doing research on it. Everything I came up with said the swash should be 60 but I couldn’t find anything about bringing the bottom up to -3 and I knew -15 was way too much and end up slamming it into the ground.
Thanks Joe. I’ll give it another go at it tomorrow
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