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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › FUT 9C GYRO SCREEN QUESTIONS - lil explaning please
09-07-2006 02:53 AM  14 years ago
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GREYEAGLE

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FUT 9C GYRO SCREEN QUESTIONS - lil explaning please
Bit O help " week explanation " -limited in manual "

When when viewing the 9C gyro screen-

When the NORM or STD screen [or] toggling into the AVCS or HH screen :

You are offered a % UP and a % DOWN in each of the two screen's " STD or AVCS"

A> % UP what ??
%DOWN what ??

What if in NORM or AVCS ? Do the % effect.


B> Must the percentages be balanced { 50% + 50% } =100%

What if the %'s ar off say {70% / 30% } or ( 70% / 70% )


C> Doe's a direct or inverse relationship between the NORM or AVCS exist??


Please : Any one with carnal knowledge of this screen and it's effect please pile on this post with your experience.

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09-07-2006 03:31 AM  14 years ago
Chief_USN

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Chesapeake, VA

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The percentages are your Gain for that particular mode. I have a 9C Super, so I'm not sure if the screen is the same as yours. I believe they are though.

Heres what I have: (Bold is my current setting)

GYRO SENS Page
MODE>GY(AVCS Mode) or STD(Rate Mode)
MIX>ACT(Mix enabled) or INH(Not used or Mix is Disabled)
RATE-UP >AVC 45%(HH mode w/45% gain)

-DOWN>NOR 50%(Rate mode or Non-HH w/50% gain)
SW>F(Which switch controls your gyro mode)

You can choose a three position switch like switch "C" or "E" and you will have a "CNTR" line with another % you can dial in. This gives you one more choice if you want to change gains in flight for differnet flight modes or what I will do is when I'm setting up a gyro, I will setup 3 different gains at about 5% differences. Fly the heli and switch between gains to see which one holds better.

The percentages do not need to equal 100. Just dial in what works with your heli. Every heli is different so what might work for one model might not work on another with exact same setup.

Hope this explains it for you. Let us know if you have any more questions.

Chad
Team HeliProz 12-14
US Navy Chiefs...Unity, Service, & Navigation to the Fleet since 1893
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09-07-2006 03:58 AM  14 years ago
GREYEAGLE

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Up and Down Percentages .
What I'm having a bit of difficulty understanding-
Within the each individal screenS: STD OR AVCS

STD screen or Non HH offers a UP% / DOWN % percentage = two sides of STD sreen

AVCS screen or HH offers a UP %/ DOWN % percentage= two sides of AVCS screen


Your explanation seems to indicate only 1/2 of each of the individual screen. 1/2 of one screen is UP and 1/2 of the other is DOWN.

WHat am I missing ??

For conversation sake :

Shouldn't the STD screen be set say 60% UP/60% DOWN

the AVCS screen be set say 40% UP / 40% DOWN

Do they refrence each other?
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09-07-2006 04:46 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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There's two gyro MODES but that really is what TYPE of gyro, that is STD and GY, the MODE should be set to GY that means the Futaba series of GY gyros and others like the CSM heading lock.

Now you have two other settings, thats Rate Mode and AVC mode.

Rate Up means the UP position of the switch you selected. You can set that to AVC and a number, that number is the actual gain in that mode, 50 will get you in the ball park if your servo linkage is set up correctly. If you spin the jog wheel till it counts down to zero and starts counting up again it will say NOR and a number, in that case you are setting that switch position to RATE mode and a gain percentage.

Rate Down means the DOWN position of the switch you are using. You can set this either to AVC or NOR (you MUST have 1 of the switch positions set for AVC) and a gain percentage.

Note that if you set the switch to E you will have 3 entries, UP, CTR and DOWN since that is a 3 position switch. You can also set it to COND which ties the gyro mode to flight condition, that is idle up 1, 2 or 3, normal mode and throttle hold. This lets set a different mode OR a different gain setting with the same mode for each flight condition.

The simplest setup is:
Mix = ACT
Type = GY (401, 611 and other heading lock gyros)
Rate up = AVC 50
Rade dn = NOR 50
Switch = F
Channel 5 end points to 100/100
Channel 4 end points to 100

ALWAYS boot the gyro in Heading Hold mode (switch towards the back of the tx) and ensure the light comes solid, regardless of what mode you intend to fly in.
Andy
AMA 77227
http://www.jaxrc.com
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09-08-2006 02:04 AM  14 years ago
GREYEAGLE

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Boy Thanks !
I was under the impression one screen was for Norm " Non HH " and the other for HH or AVCS the -- GY screen.

Boy Cuda - thank's ! Where did you figure that out cause it aint in the book

Since I'm running a GY 401 I should only be in that GY - screen and adjusting those % 'ages = Correct ??

Should I go into the Norm screen ??and ZERO out those % I have in their since I'm not using a Normal Gyro ?
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09-08-2006 03:23 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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I've worked with Futaba radios for a long time so I guess its something I just understood.

If you have it set up just leave it.

Futaba gyros for the most part should be set up in GY mode.
Andy
AMA 77227
http://www.jaxrc.com
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09-14-2006 03:01 AM  14 years ago
GREYEAGLE

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Still Trying - Barracuda : & others - please look at these numbers any idea's??

When your a bit baffeled - you ask for a little help from your friends - cause somewhere they been their and done that !!!

Two seperate Helies both M/A gassers :

A. Bird pure smooth as silk in AVCS and Rate
#'s As follows : Mode > STD
Mix - INH
Rate - Up 55.%
Rate - Down 65%

Mode > GY
Mix - INH
Rate - Up 10%
Rate - Down 65%

B. Bird Smooth as silk in Rate mode { Tail Telegraphs in AVCS } !!!!
#'s As follows : Mode > STD
Mix - INH
Rate - Up 70%
Rate - Down 80%

Mode > GY
Mix - INH
Rate - Up 40%
Rate - Down 60%

Please Note: In reguards to Bird B;
I have a solid smooth tail in norm rate mode:
I'm shifting the numbers in the Futaba GY > mode screen only
trying to rid of this little hunt or constant twitch I only have when in AVCS - in rate mode it's gone completley!!!.

Pretty much have tried ever combo without any results good or bad -

Any clue's sincerely appreciated It's definitley a gyro thing

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09-14-2006 03:16 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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Mix INH means the mix is inhibted, IE doing nothing.

Leave mode std alone.

Set mode to GY (it uses the mode that shows up when you goto that screen, flipping back and forth does nothing)

MIX to ON

Then the gain numbers you are setting will do something.
Andy
AMA 77227
http://www.jaxrc.com
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09-14-2006 06:31 PM  14 years ago
GREYEAGLE

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OK we'll try that !
Why am I getting such good results with Bird A. ?

Flipping switch F does'nt toggle me into Standard Rate Gyro and out of of AVCS ?? and Visa versa ? Thought I could go either or.

When I turn Mix ON what can I expect?? Hope it's not a Twirling Derby


Thanx sincerley for your input: Cuda- much appreciated
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09-14-2006 06:43 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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If you dont turn the mix on you are getting a gain input from whatever switch is assigned to channel 5 in the AUX CH menu, if you are going to use the gyro screen set the atv's for channel 5 to 100/100 goto the aux channel menu and set channel 5 switch assignment to null.Andy
AMA 77227
http://www.jaxrc.com
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09-14-2006 08:18 PM  14 years ago
pH7

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Sterling Heights, MI - USA

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See RaptorTechnique
Here is the LINK for detailed step-by-step for setting up a 401 with a 9C. Even if you don't have a Raptor, almost all the information should be correct.
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09-15-2006 03:49 AM  14 years ago
GREYEAGLE

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Thank's guy's keep it comming !/ Feel I need to call the help desk at the IT dept!
Here's what I've done pror to a test run up

Please stop me if it looks out of line


Working in the 9C GY screen only. Changed both birds

Changed mix from INH to ACT "activated".

ATV's set 100 / 100 in channel 5 {sensor ch for GY401}.

Channel 5 is assigned to switch "F" "always has been"

AVCS - UP 40%
NORM - DOWN 50%


Note:
Been flying these birds with relative success - see above /mentions

Cuda: You mention going into channel menu 5 switch assignment and set it to null.

Couldn't find it - won't it disable the F switch ???

Please any mentionss appreciated. Prior to test.
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09-15-2006 01:24 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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The menu is AUX CH and you can set it to F or NULL either way, I've seen that set to something different and it caused problems. The GYRO SENSE screen should over ride it. If you want to see, set it to NULL then goto the servo screen and flip switch F, you should see the bar move back and forth and go out about half way in either direction.Andy
AMA 77227
http://www.jaxrc.com
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09-15-2006 02:05 PM  14 years ago
Lars Blaabjerg

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Aarhus, Denmark

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Just want to clarify a thing here:

The MODE parameter (GY or STD) has absolutely nothing to do with the type of gyro connected.
It simply switches between to ways of displaying the same data. You will find that if you change a value in one view, it will also have changed in the other.

HH (or AVCS) gyros operate like this: 0% = maximum gain in normal mode, 50% = no gain, 100% = maximum gain in HH mode. (direction may be switched dependent on gyro brand).
When MODE is STD this is what you are shown. Set the value to 50% and you are in for an interesting flight.
In GY MODE futaba offers you the convenience of seeing the same values expressed as Normal and AVCS values so that 0% in STD MODE corresponds to 100% normal gain, 50% in STD MODE corresponds to 0% in GY MODE and 100% in STD MODE corresponds to 100% avcs gain. Try setting the value in STD MODE to 75%, when you switch to GY MODE the same value becomes AVCS 50%
The labeling is only valid for futaba gyros because e.g. the CSM gyros operate the opposite way around.
Functionally the two MODEs are exactly the same.

BTW. The switch/condition for the gyro function is set in the gyro screen and should disable all other switches affecting channel 5.
----
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09-15-2006 02:12 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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Yes this is true, I simplified the directions I gave him.Andy
AMA 77227
http://www.jaxrc.com
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09-15-2006 06:26 PM  14 years ago
GREYEAGLE

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Man : it's getting a bit nervey

Lar's and Cuda
If I understand you correctly :

Stay in the GY screen's only:

The % of the HH { AVCS } should not be set around 50% but ok to go above or below.


Plese keep the info comming :

Wonderful knowledge : { Keeps my printer busy ! }

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09-15-2006 07:38 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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He is saying the GY and STD are 2 different ways of saying the same thing, displayed differently.

So set Mode to GY
Mix to ACT
Rate up to AVC 50
Rade won to NOR 50

take it flying and see how you like it, if you need more gain crank up the number, if you have enough leave it.

50 is off only in certain display conditions, in GY mode its actually 50 percent of the available gain which is why I told you to not worry about STD
Andy
AMA 77227
http://www.jaxrc.com
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09-15-2006 07:53 PM  14 years ago
Lars Blaabjerg

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Aarhus, Denmark

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That's good advice. No reason to show it in STD mode.
The 50% percent was in STD mode, as it is the same as no gain.
----
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09-16-2006 04:06 AM  14 years ago
GREYEAGLE

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SUPER THANX !!!
Very much thank you both for your input.

I now have good solid information from two whom definitley know !

Can't say enough over my gratitude of your efforts on filling me in with what is not covered in much detail in the manual and GY instructions.


The 9c is a wonderful piece of equipment / but the manual's technical presentation is pretty weak. The more I study the 9C and various applications the more potential it offers.

Still haven't fiquired out the use of the side sliders and several of the acronym's in the menues but thats another task.

I have over a 30yr collection of exclusive FUT eguipment / and have never had a incident which can be attributed to a radio failure.

I just wish they spend a little more effort on their technical publications or maybe make a CD avaiable with all the set -up applications in clear concise terms.

Thanks again guys : From the flat lands of IOWA- USA

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09-16-2006 12:52 PM  14 years ago
BarracudaHockey

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Jacksonville FL

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If you want to do yourself a favor go to the following menus and make the following settings.

HOV-PIT set to INH
HOV-THR set to INH

High/Low Pitch
Set to MAN and NULL for both


Nice looking Cub, is that a clipped wing Super Cub?
Andy
AMA 77227
http://www.jaxrc.com
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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › FUT 9C GYRO SCREEN QUESTIONS - lil explaning please
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