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HelicopterRadio - Servo - Gyro - Gov - Batt › JR 10x GY502 GV-1 and some programming
10-24-2004 07:59 PM  13 years agoPost 1
FAA

rrApprentice

MIlford CT

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This what I have from Andy Carpender's site:

____________________________________________

Using a GV-1 with a JR PCM10X

Here are two alternatives for setting up a PCM10X transmitter with a GV-1 gyro

Both give auto selection of head speed with flight mode. The first uses manual selection of gyro sensitivity. The second gives auto selection of gyro sensitivity.
Both allow you to use three different head speeds, an overriding on/off switch for the governor, and the ability to tweak the head speed using one of the TX VR knobs

With manual gyro sensitivity...

RX channels

Thro = GV-1 Throttle
Aux 4 = GV-1 Aux RPM
Aux 2 = GV-1 on/off
Gear = gyro sensitivity - use ATV to adjust or switch HH
GV-1

rS1 = 1650 (if you don't want it on in normal set this below 1000 and it will say 'OFF')
rS2 = 1750
rS3 = 1850
SWPt = It should show On or Off depending on your gear switch postion
StSw = On or Off depending on your throttle stick position - not inhibited
Ensure you set your limits correctly - I found my idle had to be set with the stick just below 1/4 stick in order to get the governor to shut-off correctly. You need to ensure your throttle curves in stunt 1 and 2 never drop below the governor off setting - you can check this through the SWCd screen which shows the governor condition for the current switch and stick settings so play with the switches and throttle in each flight mode to ensure the screen says 'off' when you want the governor off
TX mixes

Code 51 = Aux3-Aux4 (-100% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 52 = Aux3-Aux4 (+0% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 53 = Aux3-Aux4 (+100% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 44 = Aux 3, values are 100% 100%
This gives me:

Auto selection of head speed with flight mode through the Aux 3 mixes
Manual selection of governor on/off is with Aux 2 switch
Adjustment of head speed through Aux 4 pot
Manual selection of gyro sensitivity (I use it just to switch HH in and out)
Governor shuts down when throttle output is below about 30%
With auto gyro sensitivity...

RX channels

Thro = GV-1 Throttle
Aux 4 = GV-1 Aux RPM
Aux 3 = gyro sensitivity - use code 44 to adjust
Gear = GV-1 on/off
GV-1

rS1 = Off (Set this below 1000 and it will say 'OFF')
rS2 = 1750
rS3 = 1850
SWPt = It should show On or Off depending on your gear switch postion
StSw = On or Off depending on your throttle stick position - not inhibited
Ensure you set your limits correctly - I found my idle had to be set with the stick just below 1/4 stick in order to get the governor to shut-off correctly. You need to ensure your throttle curves in stunt 1 and 2 never drop below the governor off setting - you can check this through the SWCd screen which shows the governor condition for the current switch and stick settings so play with the switches and throttle in each flight mode to ensure the screen says 'off' when you want the governor off
TX mixes

Code 51 = Aux3-Aux4 (-100% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 52 = Aux3-Aux4 (+0% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 53 = Aux3-Aux4 (+100% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 44 = Auto, values are whatever gain settings you want
Assign the values to flight modes by pressing the 'Page' button
This gives me:

Auto selection of head speed with flight mode through the Aux 3 mixes
Manual selection of governor on/off is with Aux 2 switch
Adjustment of head speed through Aux 4 pot
Auto selection of gyro sensitivity with flight mode
Governor shuts down when throttle output is below about 30%
TOP

-------------------------------------------------------------------------------------


I need clarification on the statements:

Code 51 = Aux3-Aux4 (-100% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 52 = Aux3-Aux4 (+0% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 53 = Aux3-Aux4 (+100% +0%, no offset)
assign this to the flight modes you require by pressing the 'page' button on the mix screen
Code 44 = Auto, values are whatever gain settings you want
Assign the values to flight modes by pressing the 'Page' button

What does: "assign this to the flight modes you require by pressing the 'page' button on the mix screen " actually mean for codes 51, 52 and 53 ?

Can someone explain to me what I have to do here ?

Do I assign each code (i.e. 51, 52, and 53) to all three flight modes N, I1 and I2 ?

I kinda need a more detailed explaination here .

Thanks

Nick

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10-24-2004 09:48 PM  13 years agoPost 2
Harbinger

rrVeteran

alberta

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once you select the mix

There is a page option on the top right hand side which displays your switch assignments. You need to select which conditions your mix is active via this page when doing the gv1 mixes

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10-25-2004 12:13 AM  13 years agoPost 3
FAA

rrApprentice

MIlford CT

My Posts: All  Forum  Topic

Yes !

Can you describe STEP by STEP from that Page what do I do ?

That is my whole problem.

Does code 51 get assigned to Normal ?

Does code 52 get assigned to Idle 1 ?

Does code 53 ge assigned to Idle 2 ?

This is the part I do not understand.

Thanks

Nick

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10-25-2004 01:39 AM  13 years agoPost 4
Harbinger

rrVeteran

alberta

My Posts: All  Forum  Topic

okay

code 51 mixs setup up your s1 point (-100) and yes it gets set to nr active on the next page (screen)
code 51sets up your s2 point (0) and it gets set to s1 in the next page
ect

You confirm the gv1 is operating correctly by looking at the headspeed screen (on the gv1 amp) and that it changes rpm when you change flight modes. Also confirm it shuts off in normal mode below half stick and stays on in idle up 1 and 2 and disengages when hold is active.

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10-25-2004 04:13 AM  13 years agoPost 5
FAA

rrApprentice

MIlford CT

My Posts: All  Forum  Topic

Okay !

Thank you. This makes excellent sense now.

The confusion was the Code 51,52, and 53 relationships relative to the Flight Modes.

That cleared everything up.

The GY502 problem continues ....

Thanks

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HelicopterRadio - Servo - Gyro - Gov - Batt › JR 10x GY502 GV-1 and some programming
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