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HomeAircraftHelicopterHIROBOOther › Hirobo problems? NEW TO HELIS? PLS HELP
03-29-2005 04:51 AM  13 years agoPost 1
jarrodjohns

rrNovice

Bellview, Florida

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I recently bought a hirobo shuttle ZX.. When i try to fly, it turns to the right, the more throttle the more it spins outta control? when i try to trim it slows it down but not very much at all!!! can u please help?

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03-29-2005 05:06 AM  13 years agoPost 2
Wa11banger

rrElite Veteran

Huntsville, Al

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What gyro do you have? What gain do you have it set to? Have you verified or had someone look at it to make sure both your Gyro sense and TR control direction are proper? Sorry, I am sure we would love to help but we need just a bit more information Also what radio gear are you using (transmitter and such) Make sure you have zero subtrim, zero trim, and that you are mechanically set to zero or just slighty off to counteract torque.. about 3 degrees Right for a rappy, I am not sure which way a shuttle turns so I cannot comment on how little offset to give it


Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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03-29-2005 02:03 PM  13 years agoPost 3
Eury

rrProfessor

Dover NH

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Even beyond that, where are you located at? You should get some help with that heli, otherwise, you're probably looking at crashing that heli before you even get it flying. I speak from experience, my first heli was a Shuttle ZX, and I crashed it 4 times before it ever really flew. Even if you don't get help flying, have someone help you with the setup.

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03-29-2005 07:10 PM  13 years agoPost 4
jarrodjohns

rrNovice

Bellview, Florida

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It has a FP-G153BB FUTABA GYRO.. I called the hobby shop today and they walked me through set up! and I m still quessing the gyro is broke cause its still doing it? I have a old conquest futaba 7 ch. radio.. I just want to fly!!!and need to get it to stop spinning around! I would like to get it set up by a professional but there is noone around that i no of!!! Ocala, Fl. anyone please help!

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03-29-2005 07:19 PM  13 years agoPost 5
Tim B

rrApprentice

Pasco, Washington

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Flick the direction switch on the gyro the other way (fwd/rev)and try it again. I think the cure is simple as that.

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03-29-2005 07:29 PM  13 years agoPost 6
jarrodjohns

rrNovice

Bellview, Florida

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It was on reverse and the hobby place i called told me to put forward? any reason?

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03-29-2005 07:45 PM  13 years agoPost 7
Tim B

rrApprentice

Pasco, Washington

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I assume then you've tried adjusting the the 2 gains? If you're not sure what switch postion on your radio controls which gain then just adjust them to both the same. Try 50% to 80% and see if it holds the tail. Might have to trim the tail mechanically as someone mentioned, give a few degrees of bite on the tail blades at servo center. I think mine is about 3° towards the tail fin.

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03-29-2005 07:46 PM  13 years agoPost 8
B.T.D.T.

rrElite Veteran

NY

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To see if your gryo is working, turn on your transmitter, receiver and gryo. There is an off on switch on this gryo. You should hear the gryo motor running. Pick up your heli on the main mask and swing the tail back & forth. The sevro for the rudder should be moving. If it does, you and you still have this problem you have to adjust all the setting. Does your radio is there a Rev Mix setting?

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03-29-2005 08:01 PM  13 years agoPost 9
Tim B

rrApprentice

Pasco, Washington

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I have my gains set to around 60% to 70%. Gyro is in the "norm" direction. Are you using a seperate battery for the gyro, or sharing with the receiver? The "batt" lead is shorted with a jumper if sharing. And you aren't just forgetting to turn the gyro on now are you? . If you don't have a manual for that gyro then see if you can find one on the web so you can make sure it's all connected right. I have a manual and could relay info if needed though. You bought this heli already built right?

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03-29-2005 09:18 PM  13 years agoPost 10
darrens

rrKey Veteran

United Kingdom

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A little more fundamental, but check that your tail servo is travelling in the right direction with stick movement. If you move the stick left, then the trailing edge of your tail blades should point left (thus pushing the tail right and nose left). Now check the gyro in the same way. In HH mode push the tail to the left. The trailing edge of the blades should point left again to counter this movement and push the tail right again. If this is all correct, it is most likely that you have not set it up mechanically correct and will need to look at your tail rod length.
Insufficient or too much gain will cause tail drift or tail wag respectfully, but will not cause the heli to spin out of control. Your symptoms are of more fundamental problems.
Hope this helps.

He who dies with the most toys is the winner!

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03-29-2005 09:34 PM  13 years agoPost 11
jarrodjohns

rrNovice

Bellview, Florida

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I held my heli by the mask and turned! servo does move but i still have the problem! i tried the revo. mix and nuthin!! its like stuck! the rotor moves good in both directions when not running but when fired up the more throttle the more is spins? whaen i counter steer? it slows it down alittle but not near enough to stop... on the tail where the linkage is conected, it only moves so far.. it cant be adjusted anymore due to the plastic on the tail boom..the rotor IS moving in both directions to maxamim but it still wont stay still...

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03-29-2005 09:38 PM  13 years agoPost 12
Tim B

rrApprentice

Pasco, Washington

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Might be time for a new gyro, that one is about 10-15 years old i reckon. Mine still works fine but it hasn't gotten a lot of use.

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03-29-2005 09:41 PM  13 years agoPost 13
MRC-Hirobo

rrKey Veteran

Edison, NJ

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Try this,

For right tail control, the servo PULLS on the control rod to the tail pitch arm. For Left tail control it pushes it. Confirm your radio is working in that direction first.

Next: Set your tail control rod length so that at HALF STICK, the pivot tail pitch arm is set a little in FRONT of the tail pulley screw on the tail case. Actual setting will depend on flight testing. Or you can use the trim on your radio for the time being.

Now for the gyro, set each pot at 50%

Next while looking at the tail servo, jerk the nose to the left, counter clockwise, and watch the servo. If it pulls the rod, at right tail command, then you are good. If it pushes the tail control rod, reverse the gyro direction on the amplifier.

But first of all, make sure your radio and servo are working in the right direction.

If you need more help, give me a call at 732 225 2100 ext 230.

Good Luck

jeff

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03-29-2005 11:50 PM  13 years agoPost 14
I3DM

rrProfessor

Israel

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is the nose spinning to the left or to the right ? if to the left, it might be a mechanical problem causing lack of tail spin..

www.liorzahavi.com

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04-01-2005 11:29 PM  13 years agoPost 15
Tim B

rrApprentice

Pasco, Washington

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So problem solved?

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04-02-2005 02:29 AM  13 years agoPost 16
DUDENESS

rrNovice

New York

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Darrens,
This gyro has no HH mode it is an old mechanical.
Just sounds like his center and end points are hosed.
Back to basics !

.
.
.

Heli's don't fly they just scare the ground away!

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04-02-2005 03:26 AM  13 years agoPost 17
dkshema

rrMaster

Cedar Rapids, IA

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Very old radio, very old spinning mass rate gyro that has been obsolete for many years.

Is the heli the same vintage as the radio and gyro?

Ignore all the comments about heading hold, setting gains to XX% -- your gyro doesn't have those functions.

The advice to check your servo direction (which way it needs to turn to make the nose of the heli to go to the left, for example) then turn the heli's nose to the right, watch the servo to make sure the gyro sends it the same direction it would need to go for the nose to go right.

You're going to be super limited with the Conquest 7 and that gyro. Assuming that the heli and motor are still serviceable, scrape enough dollars together to move from the middle 1980s up to present technology with a sound heli radio and at least a Futaba GY240, if not a GY401 gyro.

And find someone local who knows helis to give your setup the once-over. I'm guessing this is an old heli and needs some TLC to get back in the air, based on the radio and gyro that it has.

Dave

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04-02-2005 04:31 AM  13 years agoPost 18
Tim B

rrApprentice

Pasco, Washington

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If all the equipement is in good working order then it should perform adequately enough. I am flying my shuttle with a nearly identical setup. Sure newer equipement would be nicer, but if what he has is what he has and is functional, then that is just fine. A shuttle isn't going to benifeit much from fancier equipement anyways. (IMO)

Lets see if we can find the cause of the troubles and go from there.

(BTW the 153 is a dual rate gyro that can be switched between from the tx)

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