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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsbavarianDEMON › Barvarian Demon rudder problems
03-27-2015 09:34 PM  3 years agoPost 1
561Larry

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Abbotsford B.C.

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I have no response to the rudder except mild twitching no matter
what gain or servo travel setting ,I need help .
The set up is on a Radikal gasser using a Airtronics SD-10 G
radio. I tried switching the rudder serv, a Futaba S9254 and Toro
BL 9188 . The Toro (new) does not twitch or move but the Futaba does.Any help on this set up would appreciated.
Cheers Larry

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03-28-2015 12:39 AM  3 years agoPost 2
Santiago P

rrProfessor

South West, Ohio

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Hard to say what is wrong without the setup info.

What is the pulse and center you chose for the tail servo?

What tail gain did you applied on the software? and on the radio?

What is the diagnostic page showing for tail gain???

Could you post a screen cap of the Tail page from the software?

Santiago
Bavarian Demon Support Team

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03-28-2015 08:33 PM  3 years agoPost 3
561Larry

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Abbotsford B.C.

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Tail Page Setup
Tried a few more changes,I adjusted the tail gain to + 85 and got
the tail servo to move in one direction only ,if I use -85 it will move in the opposite direction ,at 100 or -100 it does not move.
Here is the requested photo using GY520 settings.Does anyone else use a Airtronics SD-10G with the Demon ?

[size=large]

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03-28-2015 09:00 PM  3 years agoPost 4
Jim Cimino

rrKey Veteran

NE Pennsylvania

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Make sure you entered the correct servo type in the set up screen. That's what it sounds like. I had the same problem with my MKS servos. Pulse with is 760.

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03-28-2015 09:42 PM  3 years agoPost 5
561Larry

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Abbotsford B.C.

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Servo settings
No the servos are set for digital which they are,thanks

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03-29-2015 01:11 AM  3 years agoPost 6
Jim Cimino

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NE Pennsylvania

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Larry,
On the RC tab where you set your servos to digital, there is a separate one for the rudder servo, make sure it is set to 720us.

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03-29-2015 01:41 AM  3 years agoPost 7
561Larry

rrNovice

Abbotsford B.C.

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RC Tab
That was the problem ,something so simple caused a lot of sweat.

Thanks jcimino
Cheers Larry

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03-29-2015 04:15 AM  3 years agoPost 8
Santiago P

rrProfessor

South West, Ohio

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Larry,

The answer lies in the Diagnose menu.

Do you see the rudder input when you move the rudder stick?
What does the Diagnose window says the tail gain is?

never mind, looks like you go it

Santiago

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04-01-2015 05:51 AM  3 years agoPost 9
TMoore

rrMaster

Cookeville, TN

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In case you need help, I run the BD's with the SD-10G.

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04-01-2015 07:13 PM  3 years agoPost 10
561Larry

rrNovice

Abbotsford B.C.

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Elevator Problem
No matter how may times I reset everything the elevator only works
down, I've tried reversing on the setup and on the radio but will not rise up ? The Ail and Col Pit rise while the elevator goes down.
I'll PM TMoore and seek your help.
cheers Larry

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04-01-2015 08:02 PM  3 years agoPost 11
Jim Cimino

rrKey Veteran

NE Pennsylvania

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I know it may sound stupid, but make sure when you change direction in the program that you write it to the 3SX. Also, what is it showing in the diagnostic page?

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04-01-2015 10:16 PM  3 years agoPost 12
Santiago P

rrProfessor

South West, Ohio

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Like the others said, the Diagnose page will tell you what you are commanding.

If you don't see positive commands for center and both directions (to 100%) being shown on each axis when you move the sticks, then your TX is not configured correctly.

If that is the case TMoore can definitely help you with the TX.

Santiago

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04-02-2015 01:30 AM  3 years agoPost 13
TMoore

rrMaster

Cookeville, TN

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What machine? As far as the radio is concerned once the directions are set per the diagnose page, the BD software does the rest. I can almost guarantee a servo is plugged in to the wrong port or the reversing functions are just not set right. Either way I may be able to help.

TM

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04-03-2015 11:58 PM  3 years agoPost 14
561Larry

rrNovice

Abbotsford B.C.

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Setup running
After many tries I think I have it working,Everthing was balanced on the diagnoses page and the continuous green light on. The SD-10G radio has receiver channels different from Futaba ,I knew about the elevator being in the number one slot and the aileron being in the number two slot on the RX ,but I did not know the tail servo from the demon which is yellow and the gray tail gyro had to be reversed.That was easy enough ,just change channels on the radio.
I took it outside today for a run up (it's a Radikal 30 with a gas engine)with no main blades on ,the controls arms were jumping all over the place,at high rpm settled down.The demon is mounted behind
the main shaft about three inches on the supplied heavy foam tape in line with the main shaft.I would not try to run the heli up with the main blades on ,due to the control arms jump around .Any more suggestion would be help full.Thanks Larry

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04-04-2015 12:10 AM  3 years agoPost 15
Dappe Bronco

rrNovice

Belgium

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On my gassers I mount them with the thin tape. Works very good.

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04-06-2015 02:31 AM  3 years agoPost 16
Santiago P

rrProfessor

South West, Ohio

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I took it outside today for a run up (it's a Radikal 30 with a gas engine)with no main blades on ,the controls arms were jumping all over the place,at high rpm settled down.The demon is mounted behind
I had the same issue with a Radical 30 I built,
but it had the same behavior with a BeastX, the Demon, and a CGY750.
Mounted the gyros in the back, on the side frame, up front, and it made no difference.
It all traced down to a rough running engine, and by rough I mean rougher than normal.

Do not use the thick tape!
The BD works best with the stock thin tape, or thin grey moulding tape.

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bavarianDEMON- Team Kontronik - Scorpion Motors-

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