RunRyder RC
WATCH
 1 page 789 views POST REPLY
HomeAircraftHelicopterMain Discussion › 401 Gyro Problem (I think?)
07-19-2002 12:49 AM  16 years agoPost 1
Charlie

rrVeteran

New Brunswick, Canada

My Posts: All  Forum  Topic

I am trying to set up my new 401. When I am in normal mode the servo will stay all the way over(left or right) which ever command I give it. When I switch into stunt 1 it will stay all the way over and then start to notch it's way back(like a heading hold should). Should it stay all the way over there in normal mode?. My CSM 400 dosen't do that. Help me set this thing up guys PLEASE. I have a JR 8103 radio and the servo is a Hitec digital 5925 .

P.S I don't have it in DS mode. I was told that it is only for futaba digital servos. Thanks guys.


http://www.scotiabladerunners.rcclu.../heliapache.gif

PM  EMAIL  GALLERY  Attn:RR  Quote
07-19-2002 12:58 AM  16 years agoPost 2
greatplanes

rrApprentice

boston, ma

My Posts: All  Forum  Topic

i also have a gy 401, when in normal mode, servo always returns to neutral, when releasing rudder, and stays where i put it in heading hold, and "does not " creep in heading hold, re check instructions and try again

PM  EMAIL  GALLERY  Attn:RR  Quote
07-19-2002 01:27 AM  16 years agoPost 3
Charlie

rrVeteran

New Brunswick, Canada

My Posts: All  Forum  Topic

LED
In normal mode it is steady and in stunt 1 it is blinking

PM  EMAIL  GALLERY  Attn:RR  Quote
07-19-2002 02:23 AM  16 years agoPost 4
Bigfish

rrApprentice

Royal Oak, Michigan

My Posts: All  Forum  Topic

LED
You must turn on the heli electrics with the 401 in heading hold .....

wait 3 seconds and the LED should come on solid ...... the tail slider should basically stay where you put it with the rudder control ...... if it creeps use a little sub trim (not trim to lock it)

Now switch to normal mode (gear or dual rate switch for manual operation - flight mode switch if you have set it up for gyro sense mode with the 8103) The LED should go off and the tail slider should center at the hover pitch position (it will blink when rudder input is given)

You will love it when you get it set up right !!!

BF

PM  EMAIL  HOMEPAGE  Attn:RR  Quote
07-19-2002 02:42 AM  16 years agoPost 5
Heli-Driver

rrElite Veteran

Arlington, TX

My Posts: All  Forum  Topic

It sounds like your gyro channel switch is backwards. Go into your radio and change the direction of the switch. Or just use the opposite position on the switch as it is now.

Don't change direction on the gyro, this would change the pulse direction, unless the pulse is going the wrong way...

Like BF said, you MUST turn your heli power switch on with the gyro in HH. The light should blink rapidly a few seconds then lock solid.

When it is set correctly, the tail blades won't move after it's locked unless you move the heli or input a tail rotor command.

It's normal for the tail blades to go all the way over in HH even before the stick stops moving and will stay maxed out until the heli is moved again or you pull the stick back then it will do the same thing the other direction.

In normal mode, it should return fairly quick to center. If I pop my gimbal and let it spring back to center the blades move back almost as fast. If yours is creeping back in normal mode then something is still not right.

Don't run the gyro in DS mode, check your gain and your limits on the gyro. It's pretty easy to set up unless something is wrong with it.

I suggest spooling the heli up for the first time on something smooth so you can see if you have a problem when the RPMs come up. You don't want to be in deep grass and have a gyro problem, it can really bite you!
On a smooth surface the heli should start to spin if there is a gyro problem before it tries to lift off.



Raymond

Predator Gasser SE/231 X 2
Century Helicopters

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
07-19-2002 06:23 AM  16 years agoPost 6
Wild Turkey

rrApprentice

Bethlehem, PA

My Posts: All  Forum  Topic

Charlie,

I had the same problem when using my JR 10X radio.

Here is what you should do.

First - make sure that each MODE on your radio (normal, IDLE, etc) is set to at LEAST 52% for the Gyro Rate. For JR radios - 51% to 52% is where HH mode kicks in. For starters - use 65% for NORMAL mode and 55% for IDLE mode.

Then make sure that you are using RUDD and AUX3 for connecting the gyro wires - no other channel will give you the ability to switch between modes and STAY in IDLE mode.

Now make sure you have the proper AUX3 settings in your radio.

Now turn off the heli (with the radio in NORMAL mode. The LED on the 401 should blink at first then turn solid - if it doesnt - something in your radio is not programmed properly for AUX3.

If the LED goes solid - then switch into IDLE mode to see if the LED stays solid. If it does - your ALL set.

Make sure you read the instructions - follow the diagram on the LEFT side of the instructions - not the RIGHT.

Good Luck!

Wild Turkey

PM  EMAIL  Attn:RR  Quote
07-19-2002 10:22 AM  16 years agoPost 7
Charlie

rrVeteran

New Brunswick, Canada

My Posts: All  Forum  Topic

Ok guys could you tell me if this is right. I have it pluged into my gear switch. When I turn my heli on the light will go steady. When I go to stunt 1 the light will double flash and when I go to stunt 2 the light will go back to steady. when I flick the gear switch the light will go out which I is normal mode. Dose this sound right?. I don't understand why the light dosen't stay steady in all three modes when my gear switch is on?

Double Flash: Displayed when the rudder signal from the transmitter in the AVCS mode is different from the neutral signal memorized in the gyro. Also flashes when the rudder stick was operated.

How do I get all three mode the same? Or are thay suppost to be different? I am very confused.

The problem is that everybody I know dosen't know anything about the 401(big problem)

PM  EMAIL  GALLERY  Attn:RR  Quote
WATCH
 1 page 789 views POST REPLY
HomeAircraftHelicopterMain Discussion › 401 Gyro Problem (I think?)
 Print TOPIC  Make Suggestion 

 0  Topic Subscribe

Wednesday, July 18 - 7:43 pm - Copyright © 2000-2018 RunRyder   EMAILEnable Cookies

Login Here
 New Subscriptions 
 Buddies Online