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HomeAircraftHelicopterRadio - Futaba FASST › Need some help from 12fg users.
01-17-2009 03:38 AM  9 years agoPost 1
baby_zyklon

rrElite Veteran

Singapore

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1. What is the difference between throttle-hold hold/cut mode with the "hold" condition? The throttle-hold just affects the throttle and the "hold" condition affects the whole condition, including the curves?

2. Is the normal throttle cut function on the lower end tx(9c, 10c) the cut mode of the throttle-hold in the 12fg? I mean the throttle cut function in the 12fg doesn't seem to work when the throttle stick is above a certain position that I can't seem to set, do I just use the cut mode of the throttle-hold.

3. I can't seem to get the acceleration function to work and the instruction is not very clear, any suggestion?

4. How do I adjust the dual rate settings(the %) in the dual rate menu? Or is AFR on the 12fg the eqivalent of the dual rate function on the 9c/10c?

5. Limit vs travel. Which do you use?

6. Is there any way I can copy the throttle/pitch curve from one condition to another condition, w/o using the "group" setting? I am just trying to copy a curve from one flight mode to the other w/o affect the others.

7. Anyone using the 12fg with a TJ pro? I assume the atv calculator from model avonics website is very off with the gain value? 50% is off?

8. Throttle idle-down, how does it work, or rather, how to make it work?

9. What the difference between G and S for the function menu?

10. Lastly, the swash function. The swash mixing rate is just the pre-set eccpm mixing rate for each servo and is not something that I should be worrying about right?
The linkage comepensation on the other hand is to minimize interaction? Do I just adjust the different % at high and low so that the washout hub don't move up or down with aileron and elevator? I assume its normal to have values that are different for each direction, as in have 50% for left aileron and only 10% for right?

Would appreciate if someone can shed some light on this, coz this 12fg is really quite difference from my 9c/10c. Thanks.

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01-17-2009 04:08 AM  9 years agoPost 2
AltecLansing

rrElite Veteran

North Carolina

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I'll try to answer some of the questions as I went through some of the same issues when I recently upgraded to a 12fgh.

1. The throttle hold is that, throttle hold like when you do autos, the throttle cut is for cutting off the engine and as a safety precaution, they won't let it cut off the engine if the throttle is above a certain percentage. Condition hold is so that you can make adjustments in the radio while the heli is still running on the ground. For example, you think your head speed is too high in idle up. You go to normal mode and land, then you activate condition hold and then go to the throttle curve menu. Then you flick the switch to idle up so you can adjust the curve for it. The heli won't go into idle up while in condition hold.

2. For throttle cut, set your epa first for the throttle servo. I usually do this with the heli rx on so I can see the servo move. I then just adjust the percentage until I see the servo move the arm to full close.

3. What are you trying to adjust with the acceleration function?

4. You adjust dual rates in the afr menu. You can set dual rates for a particular stick like rudder to a switch so you can have multiple rates set. To change which function you adjust for dual rates, go to afr then scroll over to the next page to where it says function and click on that and scroll until you find the function you want to adjust and click again. That will bring up the curve. then go back to to where your rates are and adjust there. You have two rates to adjust for each direction of the stick. Also, the expo is set here. You ahve two directions to adjust for that. and you should be able to adjust differently for normal, idle ups, and throttle hold. here.

5. To adjust epa, adjust the travel. The limit is to adjust the limit of the servo travel during mixing which can excede your epa.

6. I haven't tried this, but why not trying setting what you want in one condition then choose to group mode to change them all to what you set, then put it back to single, I think the other modes will stay to what they became when you set it to group.

7. I never used a tj pro, what are you trying to adjust and how?

8. Never used throttle idle down.

9. Never noticed this before and will look in the manual for it.

10. Just learning to mess around in the swash menu. I have been able to set up ccpm for my vibe 50 and fly it around properly. I'll be reading more as I may want to adjust the cyclic travel a little more.

Man, I miss the eighties.

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01-17-2009 08:21 AM  9 years agoPost 3
Jafa

rrElite Veteran

Sydney, Australia

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10 CCPM Setup - Read this

http://www.littlerotors.com/article...0106/index.aspx

9 - It's a plane function

3 - You just enable it - it works by watching your collective - if you jab quickly into the activate zone it will over drive the servos - dumping controls how quick/slow it comes back


Protos | Logo 400 & 500 | Sceadu Evo | Freya Evo | Trex600N | Avant FX

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01-17-2009 11:48 PM  9 years agoPost 4
baby_zyklon

rrElite Veteran

Singapore

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Thanks for the replies. Appreciate.

1. Erm... actually I asking about difference between the condition with the name "hold" vs throttle hold function.

3. I got the acceleration to work by running a big value for dumping(80%). It seems that below 50% dumping, acceleration don't quite work?

6. I tried using group instead of single and it just copied the curve for all the conditions. So what I found out is that I can adjust the curve first under single, then go into cond. select and copy the condition, rename it and then set the other parameters.

7. I am trying to get some starting governor gain % value as the atv calculator gives very different values from the tj pro instruction, both from their website.

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01-18-2009 12:38 AM  9 years agoPost 5
Phil Cole

rrVeteran

Menlo Park CA

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1. The hold condition is just another condition, so you can set different curves, trims, etc. for flying with the hold function active. Normally the hold condition is set as the last condition so it has priority over all other conditions. This is so that a single switch can get you into hold from any other condition.

I normally set up the hold function in all flight conditions so that I can adjust curves and so on while the engine is running in the idle up conditions. This is to save all the menu navigation to turn on condition hold before and after making the adjustments. Just use a switch other than your normal hold switch to activate the hold function. Just remember to go back to the condition used for starting before releasing the hold. (You will only forget once!)

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HomeAircraftHelicopterRadio - Futaba FASST › Need some help from 12fg users.
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