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HomeAircraftHelicopterRadio - Futaba FASST › Throttle Channel Output For Starting/Stopping the Timers in the 8FG: A Real Needed Feature
06-02-2012 09:14 PM  6 years agoPost 1
davehour

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Guayama, Puerto Rico 00785

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Hi all,

Want to ask if it's possible to incorporate the use of the Throttle Channel output as the trigger for the timers in the 8FG. I believe this will be extremely useful for us electric guys.

Using the throttle output as the start/stop reference for the timers will give accurate measurements of the time the motor is truly running and consuming power.

Thanks.

David

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06-02-2012 09:59 PM  6 years agoPost 2
DougV

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Miramar, Florida - USA (Ft. Lauderdale)

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Hi David,

Yes, you can select J3 (throttle stick) to start/stop the timer on Futaba Radios, that's how I setup all my electrics.

Doug.

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06-02-2012 10:05 PM  6 years agoPost 3
davehour

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Guayama, Puerto Rico 00785

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Hello Doug,

The problem using the stick is the timer will keep counting in certain conditions it shouldn't, like in the case of throttle hold. In throttle hold, the motor is not running though you have the timer running because the stick isn't at the position it stops the timer.

David

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06-03-2012 12:48 AM  6 years agoPost 4
stevehof

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Oceanside, CA, USA

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Set the timer to the same switch that you use for throttle hold. This works great unless you use a normal mode with a zero to full throttle to take off and land.

Synergy E7, Vbar 5 Pro, BLS255 & 256HV Hacker Turnado 530KV LE, Rail 696, CC120HV, WR Sup BEC | 18mz

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06-03-2012 01:02 AM  6 years agoPost 5
davehour

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Guayama, Puerto Rico 00785

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Set the timer to the same switch that you use for throttle hold. This works great unless you use a normal mode with a zero to full throttle to take off and land.
Yes, my case.

You have seen how different the timers have to be set to make them work in different setups, and still have occasions where they count when shouldn't. All of this would be simplified if the timers could be switched at a given throttle channel output.

David

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06-03-2012 06:25 AM  6 years agoPost 6
bparro

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indianapolis,in

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My timer starts when the throttle stick raises and stops when I flip the hold switch. Timer starts again once I flip out of hold and raise the stick again.

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06-03-2012 03:15 PM  6 years agoPost 7
davehour

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Guayama, Puerto Rico 00785

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My timer starts when the throttle stick raises and stops when I flip the hold switch. Timer starts again once I flip out of hold and raise the stick again.
I tried this and still doesn't work well at all times. In your case, the timer starts when the stick reach its set position to start the timer. The timer will keep counting until the Throttle Hold switch is activated. This configuration has the following issues:

1. After the timer has been stopped because the Throttle Hold switch has been activated, and bail-out from the auto by turning off the Throttle Hold switch, the timer won't re-start. The only way it will re-start is if the stick is lowered below the stick set point and raised again. And this behaviour brings the second issue: The timer will re-starts counting if the stick is lowered and raised from the stick set point even with the Throttle Hold switch activated.

I didn't specified the radio I'm referring to. I'm talking about the 8FG. It's probable the high priced models, 14MZ & 18MZ, have a way to overcome the 8FG limitations.

In electric helis, it's wanted to have the timer count if the motor is running, and not count if the motor isn't running. I don't see way to accomplish this in the 8FG. The only way this could be done is if the timer could be started/stopped at given throttle output because the the motor operation is directly related to the throttle output.

David

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06-03-2012 07:24 PM  6 years agoPost 8
P Johnston

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Ann Arbor MI

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I have asked about the same thing. The 8fg can not do this...yet.

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06-04-2012 12:40 AM  6 years agoPost 9
stevehof

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Oceanside, CA, USA

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In electric helis, it's wanted to have the timer count if the motor is running, and not count if the motor isn't running. I don't see way to accomplish this in the 8FG. The only way this could be done is if the timer could be started/stopped at given throttle output because the the motor operation is directly related to the throttle output.
I'm curious to know if the 18MZ can do what you want. At our field we encourage the electric guys to just use throttle hold as an on/off switch. If you keep a normal mode with zero to 100 throttle and pitch, sooner or later you will forget to go into idle up when doing aerobatics and then...opps...dirt nap. If you are flying scale then running the timer off the stick position should work fine.

My 8FG is configured to have the timer on the throttle hold switch and only count when throttle hold is off. So, I have SG back (toward rear of transmitter) position = throttle hold off, Middle = hold and forward = idle 3 which is set to flat zero throttle to arm the ESC. Hold is set for auto bail out. I can plug in my packs and power up my BEC in 'hold' and still not be armed until I go into idle3, which will also reset the throttle to soft start after an auto bail out.

Synergy E7, Vbar 5 Pro, BLS255 & 256HV Hacker Turnado 530KV LE, Rail 696, CC120HV, WR Sup BEC | 18mz

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06-04-2012 12:30 PM  6 years agoPost 10
davehour

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Guayama, Puerto Rico 00785

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I'm curious to know if the 18MZ can do what you want. At our field we encourage the electric guys to just use throttle hold as an on/off switch. If you keep a normal mode with zero to 100 throttle and pitch, sooner or later you will forget to go into idle up when doing aerobatics and then...opps...dirt nap. If you are flying scale then running the timer off the stick position should work fine.

My 8FG is configured to have the timer on the throttle hold switch and only count when throttle hold is off. So, I have SG back (toward rear of transmitter) position = throttle hold off, Middle = hold and forward = idle 3 which is set to flat zero throttle to arm the ESC. Hold is set for auto bail out. I can plug in my packs and power up my BEC in 'hold' and still not be armed until I go into idle3, which will also reset the throttle to soft start after an auto bail out.
There are many way you can set your curves. Personally, I don't like to have the heli setup like that. I like to have control of the spool up from zero, as has always been with nitro helis. I don't like the on-off nature of that kind of setup, and having the heli being governed. In fact, I've started to use throttle curves lately in my 600EFL Pro, and like it more than the Castle governor because the heli responds better and feel with more power.

Each setup has it good and its bad, and the pilot chooses the method liked most. I can't say the way you have your heli setups isn't correct, neither mine. But this is another example where the feature of being able to control the timers with the throttle channel output is desirable because the timers will count just fine with any setup chosen, whether throttle curves or governor, nitro or electric.

I remember I had a radio where I could do just that. I don't remember specifically which radio was, if it was an Airtronics Stylus or a Futaba 9C, but it was a breeze to setup and worked just perfect.

David

David

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06-04-2012 07:34 PM  6 years agoPost 11
GetToDaChopper

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Las Vegas , NV

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i also have mine set to use the throttle but mine will run with throttle hold off as i pretty much always lower the throttle when the TH is on and raise the throttle to mid stick before turning TH off, this sort of works.....

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06-05-2012 02:41 AM  6 years agoPost 12
filou406

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Lexington SC US

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What is working well for me is to change the way the timer starts for each condition.
Normal flight it starts when I reach a certain stick position, idle up it is always on and hold it is always off. Like this you are very accurate in your engine run time.

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06-05-2012 03:03 AM  6 years agoPost 13
Dr.Ben

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Richmond, VA, USA

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That is the way I do it with my MZ.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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06-05-2012 03:21 AM  6 years agoPost 14
davehour

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Guayama, Puerto Rico 00785

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What is working well for me is to change the way the timer starts for each condition.
Normal flight it starts when I reach a certain stick position, idle up it is always on and hold it is always off. Like this you are very accurate in your engine run time.
Sounds great, but I don't think the 8FG has this flexibility.

David

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06-05-2012 04:46 AM  6 years agoPost 15
filou406

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Lexington SC US

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I thought that it was available in a previous update for the 8, but not sure about this (on the 14 and on the 18 it is working like this and this is very convenient )

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06-05-2012 02:20 PM  6 years agoPost 16
GetToDaChopper

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Las Vegas , NV

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What is working well for me is to change the way the timer starts for each condition.
Normal flight it starts when I reach a certain stick position, idle up it is always on and hold it is always off. Like this you are very accurate in your engine run time.
Hey thats a good idea......

could you post the settings ?

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06-05-2012 04:13 PM  6 years agoPost 17
bparro

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indianapolis,in

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I just got an 8fg and set it up the way I did on my 12fg. I am not totally sure but I think the 8fg could do what you want. Different flight conditions should work with the logic system but I don't want to figure it out.

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06-05-2012 05:09 PM  6 years agoPost 18
filou406

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Lexington SC US

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No problem, I will post them tonight

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06-06-2012 12:21 PM  6 years agoPost 19
davehour

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Guayama, Puerto Rico 00785

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Hi all,

Since I posted this topic many have contribute and mentioned different setups for the timers depending on the radio and kind of application. Only in few of them, there is an accurate reading of the time the motor is actually running, under all modes used in the flight. This serves as a clear example of why the feature I'm requesting, i.e., the feature of being able to set the timers start and stop points using the throttle channel output percentage, is so needed as this would not require any work with flight condition switches, stick positions, etc. With the throttle channel output as the reference, it would be just a simple setting and viola! Perfect timing at all times.

I hope Futaba takes into account this thread and see the real necessity of this feature in the 8FG.

David

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06-07-2012 12:24 PM  6 years agoPost 20
filou406

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Lexington SC US

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I had a look to my setting. Actually you just have to go in each flight condition, and for each of them you select a different way to start the timer and it is done

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HomeAircraftHelicopterRadio - Futaba FASST › Throttle Channel Output For Starting/Stopping the Timers in the 8FG: A Real Needed Feature
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