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JR Heli Vibe - Airskipper - Sylphide - Venture > atg multiple headspeeds?
 
 
DS 8717
rrProfessor
Location: Here wishing i was somewhere else

Which transmitter are you using,
09-12-2008 04:29 PM
 
 
Wingman77
Elite Veteran
Location: Pulaski TN US

DX7
09-12-2008 04:32 PM
 
 
DS 8717
rrProfessor
Location: Here wishing i was somewhere else

Are you using the subtrim for Idle 1 setting or the plus or minus percentage.
09-12-2008 04:46 PM
 
 
Wingman77
Elite Veteran
Location: Pulaski TN US

I am not using subtrim or trim anywhere in this heli.

plus or minus percentage??
09-12-2008 04:58 PM
 
 
DS 8717
rrProfessor
Location: Here wishing i was somewhere else

To make it work on that trans you have to use minus setting for normal,subtrim for idle 1 and the positive setting for idle 2.you have to set the headspeed with the subtrim first for idle 1 because it will effect the other settings at the endpoints.
09-12-2008 05:05 PM
 
 
Wingman77
Elite Veteran
Location: Pulaski TN US

you just realy confused me
09-12-2008 05:08 PM
 
 
DS 8717
rrProfessor
Location: Here wishing i was somewhere else

Thats exactly why i bought a 9303 instead.
09-12-2008 05:10 PM
 
 
baddraptor
Elite Veteran
Location: valencia, ca- usa

You do not need any subtrim on the DX7. you can set up 3 head speeds and still be able to turn it off with a flick of the aux2 switch.



look at my screen shots and you will see what I mean. The bottom number MUST remain 0 to be able to turn it off. You just running an aux 2-aux2 mix that is enabled by the flight mode switch.

If you are already using your mixes though this wont work.

**Unattended children will be givin a shot of espresso and a puppy**
09-12-2008 06:32 PM
 
 
Wingman77
Elite Veteran
Location: Pulaski TN US

I dont use any mixes yet so I can do that it will move it to the idle up swich for me instead of aux2 but It will not help my orther problem
thanks
09-12-2008 09:09 PM
 
 
baddraptor
Elite Veteran
Location: valencia, ca- usa

Did you try to PM buzzin brian or call CY enterprise?? They can most assuredly help. It could be a software problem. Although, I do recal having this issue a couple times awhile ago. Are you sure your sensor is less than 1mm away from the magnet??

**Unattended children will be givin a shot of espresso and a puppy**
09-13-2008 12:54 AM
 
 
Aerowizzard
Heliman
Location: Laval, Qc. Canada

Hello Wingman,

I think that everybody understand pretty well your problem and you seem to forget that we also make setup that sometimes do not end the way it is supposed to be.

Your problem is that: Your ATG does not reset to max throttle (2100) in flight and you have to land to reset your ATG mode.

I think also that we are pretty lucky to have someone with that much knowledge as Goose.. to give us a real lesson on how it's work.

If you read well the first few advices that where given to you was: to do a basic setup in NORMAL MODE with 0% and 100% throttle so the ATG will know how he must interpret the most basic information it is asking you: your throttle complete travel without servo buzzing or binding.
arn
Your must learn to walk before you can run!

Thanks Goose for this very handy lesson.

Josh



JR Vibe 50, OS 50 Hyper DX7 3xHitec 5625 GY401 with 9254. 2 X Hirobo SCeadu Evo, OS 50,.......
09-13-2008 02:40 AM
 
 
mirmanchuck
Senior Heliman
Location: Venice Fl.

your low point is not set properly. Are you using throttle cut? Only use throttle cut to set low point on Futaba. Not Dx6

Vibe 90
Caliber 5
Trex 450 SE
09-14-2008 02:24 AM
 
 
mirmanchuck
Senior Heliman
Location: Venice Fl.

Sorry! meant Dx7

Vibe 90
Caliber 5
Trex 450 SE
09-14-2008 02:25 AM
 
 
Wingman77
Elite Veteran
Location: Pulaski TN US

so you set the low throttle on idle? inkspot told me you set it with the carb completly closed... anyway I dont see how in the world that could cause my problem...

I flew three tanks today with the govener set at 2100 rpms and it flew great!! I am very happy with this govener it does not lag at all.
I just wish I could change headspeeds in flight..
09-14-2008 02:46 AM
 
 
Goose(is dead...)
Senior Heliman
Location: UK

Problem diagnostics

Hello fellow ATGers' !!

Almost finished of the final bit of this thread;

I'm in contact with Buzzin Brian a bit and as you can imagine he gets swampped with emails, but to his credit always responds. But because this thread has gone into a little detail we thought we might make things easier if everyone who has a set-up issue or other question pertaining to the ATG if you could post the following info and Brian and myself will knock everything over in one hit.

So for those seeking some assistance could you please post:

0. What version of the ATG do you have? 1,2 or 3?
1. Your heli
2. Your motor & Pipe
3. You fuel percentages (nitro, oil, meth)
4. Your Radio
5. Your throttle servo (including speed, digi or analogue)
6. Your ATV's on the governor channel (same as end-points), and also what the max ATV's on your Tx are; Some are 125%, some are 150% and so on
7. Your sub-trim value on that channel
8. If that channel is reversed or not
9. In reference to the three flight modes, the percentages' you've dialed into the ATG with each corresponding to that Flight Mode and also if they are positive or negative values.
10. Looking at your throttle curve (be careful!!) identify at what OUTPUT percentage from your Tx the ATG takes over control of the throttle servo
11. Is the problem in Normal Mode or ATG mode
12. With reference to ATG mode Idle up2, whereby you should be running a 3-point V-Curve; -ve 100%, x, +ve100%, what is your x value
13. Double check that your trigonometry is correct ensuring the fulcrum of the servo horn to the ball joint for the pushrod is the same distance to that of the carby. And also that the imaginary vertical lines created by these reference points are parallel ( you don want your servo horn at 45 degrees when your carby arm is vertical).
14. Finally... a bullet point synopsis of your problem / question

A pic of the No.1 machine, Vibe of course. They took this pic just as I was about to start some high-speed rolling circles on the deck. And if you believe that...!

cheers
09-19-2008 05:13 AM
 
 
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JR Heli Vibe - Airskipper - Sylphide - Venture > atg multiple headspeeds?
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