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HelicopterScale Model RC Helicopters › beast x tailwag problems
05-29-2013 10:21 PM  4 years agoPost 1
Viggen65

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Gothenburgh, Sweden

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hello

i have big problems to get rid of the tailwag on mine chaos 600, i literally have done everything to get this solved,everything running smoth and no what so ever vibrations,when i try with futaba 401 it works very good but i have to have very high gain on mine jr transmitter (115)..
when im setting the tailgain on the beast to the lowest and increasing on the radio i have to turn it on max in the transmitter t
o get somewhere close to the 401 but still far away to be good,anybody that have any suggestions why i have to dial the gain so high on the futaba and even higher on the beast..?

the manual are stating lowest gain on the unit and increase in the transmitter when tailwag occurs, i have mine on max.

i have a identical mechanic in my 600 bell uh 1n and the gain i is on 75 working fine,the diff betveen the mechs is that i have a castle ice 120 hv and align servos in this one and the other have hyperion servos and a castle 80 hv.
turning the gov of doesnt help and also have tried different gov gains without positive result

i have tried with different tail servos and the rod has been moved from the outer hole to the second near the center of the servo center

need to find out why..

the futaba is working but on a very high gain
why the beast is almost working on the max gain in the transmitter,i have 125 on the jr but reaching so high value seems wrong.

thanks
Jack

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05-30-2013 02:40 PM  4 years agoPost 2
coptercptn

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Mesa AZ. USA

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Did you set the tail up in rate mode first?
I am assuming the issues you are having are in heading hold..?

Home of the "Sea Cobra".....

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05-30-2013 03:37 PM  4 years agoPost 3
Viggen65

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Gothenburgh, Sweden

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No I didnt, gone try that but dont think it gone help, something on mine mech that are doing that the gain has to be high as hell, have taking everything apart to check it out.

Cheers
Jack

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05-30-2013 04:02 PM  4 years agoPost 4
coptercptn

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Mesa AZ. USA

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get the tail "Neutral" in rate mode first. then the HH doesn't have to "Fight" the mechanical setup on the tail.. then go to HH and set gain to adjust "wiggle"
When you adjust the tail in rate, be sure to only make "Mechanical adjustments".. No trim or sub trim. When you get it "Thumbs off" you're there.

Home of the "Sea Cobra".....

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05-30-2013 09:33 PM  4 years agoPost 5
Viggen65

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Gothenburgh, Sweden

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what do you mean with wiggle?..im assuming that you with mechanical neutral in rate mean blades zero angled?

are you setting the gyro in rate and testflying with appropiate gain (rategain) and then going over to hh and tuning new hh gain in?
sorry...but sometimes hard to understand some english words for me!

also i have always flyed and tuned mine helis in hh mode past the 10 years now,last time i flewed regulary in rate was in the late 80s and hh didnt exist yet.

you could be right since this behaviour is new to me.

Cheers
Jack

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05-30-2013 09:55 PM  4 years agoPost 6
Grimracer

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Eau Claire WI

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Test fly the heli in rate mode (non heading hold). Adjust the rod/servo/or whatever mechanically for a non drift hover. (you will need to do this with the heli pointed into the wind or no wind at all.

When you have the heli flying with no tail drift click on the heading hold.

Then
Adjust the rate (senitivity) so the tail just starts to wiggle back and forth.

Fly the heli a bit. You might want to turn down the rate to your liking after you have a flight or two on the heil.

Grimracer

O yea..

In Heading hold and with the engine/motor speed governed, do a few higher power climb outs. The tail should not fade.

Michael J Zaborowski

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05-30-2013 10:07 PM  4 years agoPost 7
Viggen65

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Gothenburgh, Sweden

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ok,thanks, that cleared it up...when flying on rate which value are you using mine jr has -125 on rate in gyro gain settings and 125 for hh gain, i mean which gain on rate are you using or are you just setting it over to rate mode and doing adjustment without any gain

i thought it just was to set the slider and blades in neutral
in rate mode and then switch over to hh and adjust the gain without any test flying in ratemode.

Cheers
Jack

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05-31-2013 01:27 AM  4 years agoPost 8
coptercptn

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Mesa AZ. USA

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No, you need to adjust the helicopter as it needs to be in flight. Some pitch is required to compensate for your main rotor torque. This is why simply zeroing out the blades (static) will not work.
Also, look at the values on the "Beastx" itself if you flip your gyro switch from rate to HH you will see the values displayed by the led corresponding to a letter value. Check your manual and you can see how the relates to the amount of gain being applied...(the color will also tell you whether you are in rate or hh mode.

Home of the "Sea Cobra".....

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05-31-2013 06:40 AM  4 years agoPost 9
Viggen65

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Gothenburgh, Sweden

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messing around with the gain on the beast for some days now i feel like expert on that area,gone try the rate way
I newer had to do this on mine earlier machines,just setted hh with blades neutral and it always worked perfectly.

Gone give rate a try..

thanks for the help..

Cheers
Jack

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HelicopterScale Model RC Helicopters › beast x tailwag problems
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