Raptor and MX24

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Home › ✈️Aircraft › 🚁Helicopter › Helicopter Main Discussion › Raptor and MX24

04-13-2018 09:12 AM 35 months ago

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AdeH

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Kent, UK

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Raptor and MX24

Dear RR friends
Forgive me posting on this forum but I am hoping for maximum exposure on this one!
Simply I have a raptor 90 (in among the fleet) and have changed radio from Futaba to Graupner mz24.
But, you know when you look at some thing so much you become blind to it....
I cannot for the life of me figure out how to set up the raptor on my new radio.
I THINK I have tried all combinations....
So any if you Gentlemen out there can help this old fart out of his misery and advise further I would be most grateful.
I am converting all my fleet from 35mhz to 2.4 AND Futaba to Graupner and have done all the others no problem!!

Thanks in advance!
AdrianAfter scale everything else is a toy!

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04-13-2018 10:04 AM 35 months ago

0Post 2

Damper

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Point Blank TX USA

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What receiver do you have and do you have the update firmware in your radio and the receiver ?Full Throttle Spooning Leads To Forking

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04-13-2018 11:44 AM 35 months ago

0Post 3

AdeH

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Thanks for replying
All firmware is done and rx is GR-24After scale everything else is a toy!

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04-13-2018 01:11 PM 35 months ago

0Post 4

Damper

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Point Blank TX USA

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Very good. Have you binded the receiver to the radio?Full Throttle Spooning Leads To Forking

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04-13-2018 01:19 PM 35 months ago

0Post 5

Damper

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Point Blank TX USA

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If you have good deal. Ok you should turn your radio on after your binding is completed and go to the basic menu and model select the heli, nitro and there should be swashplate types and the wizard should prompt you on this.Full Throttle Spooning Leads To Forking

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04-13-2018 01:33 PM 34 months ago

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AdeH

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Kent, UK

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Yes done all that!
I’m trying to get the right combination of plugs into sockets on rx AND then the wizard only gives 120, 140 and 90 but only 3 servo not what is in effect 4 point ccpm that the raptor has.
Basically all servos work but all in the wrong order when working together. If that makes sence?After scale everything else is a toy!

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04-13-2018 06:11 PM 34 months ago

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allns47

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Richmond IN.

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dont you select normal for swash type

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04-13-2018 07:54 PM 34 months ago

0Post 8

Damper

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Point Blank TX USA

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It should be the 1S servo type swash. It does seem a little confusing but the other types is for the ccpm mixing of the servos which you do the fine tuning.Full Throttle Spooning Leads To Forking

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04-13-2018 08:55 PM 34 months ago

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TMoore

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Cookeville, TN

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Page 172 in the manual should have the necessary instructions to make it work on a Raptor. I'll have to try this on one of mine.Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.

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04-13-2018 08:58 PM 34 months ago

0Post 10

ticedoff8

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Morgan Hill, CA. USA

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It should be the 1S servo type swash. It does seem a little confusing but the other types is for the ccpm mixing of the servos which you do the fine tuning.

This is the correct answer

The "roll" servo connects to the aileron channel.
The "pitch" servo connects to the elevator channel.

The "collective" servo connects to the AUX channel.
The throttle will connect to the throttle channel
This allows the "throttle stick" to control both the collective and the throttle servo

This is also referred to as mCCPM (mechanical Cyclic / Collective / Pitch Mixing) verses eCCPM (electronic Cyclic / Collective / Pitch Mixing).

In the "old days", the transmitters used for helicopters were the some ones used for fixed wing and they didn't have the CCPM mixing features built in.
So, you had 1 servo dedicated for elevator, one servo dedicated to roll and one servo dedicated to collective.
And the "mixing" was done on the helicopter+ > ÷
Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!

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04-13-2018 09:02 PM 34 months ago

0Post 11

AdeH

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Kent, UK

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Thank you
I thought that too and it STILL doesn’t seem to want to work.
This is my problem, I have tried all three swash settings in the Wizard (even one called NICK!?!?)
I have doubted my own sanity in thinking what is a roll servo, what is a pitch one etc.
As I say I have set up all the others in the fleet from a little Trex 500 through to very large Vario’s and Hirobo’s.
Frustrating!
But thanks both for your thoughts and input thus far!After scale everything else is a toy!

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04-13-2018 09:14 PM 34 months ago

0Post 12

TMoore

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Cookeville, TN

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There is only one servo the drives the collective arm on a Raptor, the other two servos run the cyclics. It's pretty basic. I have that same radio here and I'll look at it tonight but it sure seems like if that is the default for that radio you should be able to separate each control out and get it to work. Have you mapped the servos to the channels correctly?Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.

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04-13-2018 09:32 PM 34 months ago

0Post 13

AdeH

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Kent, UK

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That is really kind of you! Thank you.
Apart from emparting knowledge, you are saving my sanity!

After scale everything else is a toy!

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04-14-2018 12:15 AM 34 months ago

0Post 14

TMoore

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Cookeville, TN

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What channels are your servos currently plugged into?Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.

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04-14-2018 06:25 AM 34 months ago

0Post 15

Damper

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Point Blank TX USA

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Here is the sequence for servos to plug into receiver

1 pitch

2 roll

3 nick

4 tail servo ( gyro system)

5 free or special function

6 throttle servo or motor controller

7 gyro suppression

8 free or gov or special function

9 free or special

10 free or special

11(B) receiver power supply or free

12 same as 11Full Throttle Spooning Leads To Forking

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04-14-2018 06:58 AM 34 months ago

0Post 16

TMoore

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Cookeville, TN

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I just set up a new model and that's the channel assignments. There's no reason this radio shouldn't be able to fly a mechanical collective pitch model.Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.

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04-14-2018 10:04 PM 34 months ago

0Post 17

AdeH

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Kent, UK

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1 pitch
2 roll
3 nick
4 tail CSM 720 gyro
5 empty
6 throttle

So playing around with reverse as well now
But even then it SEEMS that when moving pitch/throttle stick I get no throttle and the swash plate moves UP and right and tilting backwards!!!!!!After scale everything else is a toy!

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04-15-2018 12:18 AM 34 months ago

0Post 18

TMoore

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Cookeville, TN

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Take the pitch and elevator servo out of the RX and when you move just the throttle stick does the swash move down on the R90 when you go from low throttle to high?Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.

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04-15-2018 12:37 AM 34 months ago

0Post 19

TMoore

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Cookeville, TN

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I see what's going on now. You are using 4 servo CCPM direct to the swashplate and no collective arm. Here's how to deal with that.

If you look on the display you will see the pitch and roll servos on the roll axis. The two green links on the display are nick and ch 5. Don't plug in ch5 yet, make it work with just 3 servos for right now. Make sure that when you do the initial setup all you are looking for is swash up and down initially. Let us know when you get the swash to go up and down on 3 servos in the right direction.Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.

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04-16-2018 09:36 PM 34 months ago

0Post 20

AdeH

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Kent, UK

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Evening Sir
I am using 3 servo driving the swash and 1 for throttle and 1 for tail!
Throttle works well
Pitch in channel 1 works but is NOT exponential to the throttle (it moves about half as much!)
The roll servo in ch2 works fine ish but the pitch servo wants to join in as well, only a little but its moving anyway.
Ch. 5 is empty at this stageAfter scale everything else is a toy!

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Home › ✈️Aircraft › 🚁Helicopter › Helicopter Main Discussion › Raptor and MX24

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