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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsFutaba CGY › Consolidated V1.2 tips
03-09-2012 01:01 AM  6 years agoPost 101
rstacy

rrElite Veteran

Rochester, NY

My Posts: All  Forum  Topic

Funguy,
I know that you are frustrated but you have to know that it works better than that.
I know from personal experience that it performs way better than what you are describing.
I have helped numerous people that were having problems similar to yours and every time it was a setup/mechanical issue and every time the pilot was certain that everything was correct.

Ill make you a deal, tell me that the Rochester in your location is Rochester, NY and I will fix your 750 this coming weekend or at your earliest convenience.

Regards,
Ray

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03-09-2012 01:17 AM  6 years agoPost 102
rocket_33

rrElite Veteran

Mount Pleasant, Michigan USA

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Ray,

Not to hijack the thread but I know you have had success with the 750 on smaller machines like the 450 class. I have the CGY750 working well on my larger machines but I am installing one on my 450. Any tips there? Is it as important to have yout AFR's in the 50-60 range as you would with a 90 size machine? Any tips on the 450 size machines?

I know it is all about setup and I am sure you will get Funguy sorted

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03-09-2012 03:56 AM  6 years agoPost 103
eppler

rrApprentice

Baytown, TX

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My ELE ARF was 75% and would drift all over and was impossible to fly in the wind until I adjusted the linkage on the ELE and brought the ARF to around 53% now it is rock solid in strong winds.

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03-09-2012 04:19 AM  6 years agoPost 104
Dr.Ben

rrMaster

Richmond, VA, USA

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Perhaps more than any single set up guideline, the need to keep the swas AFR's in the 50-60% range is absolutely critical for maximum flight performance. The product's designer is adamant about this.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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03-09-2012 04:28 AM  6 years agoPost 105
3dgimble

rrKey Veteran

Rochester

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That is just the thing Dr.Ben, the only other system that I used that required this much fiddling and tweaking to get it to fly good was an Align 3G unit. The point I am trying to make is; for $320 plus the cost of a required Sbus receiver, I should not have to fiddle and tinker with the unit to get to fly just decent! I would have to say that my BeastX 3.08 and Vbar Bluline v5.1 are the king flight performance, and 3GX v1.2 is somewhat behind them, but is very easy to setup and understand.

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03-09-2012 01:00 PM  6 years agoPost 106
rstacy

rrElite Veteran

Rochester, NY

My Posts: All  Forum  Topic

Funguy,
I know that you are frustrated but you have to know that it works better than that.

Ill make you a deal, tell me that the Rochester in your location is Rochester, NY and I will fix your 750 this coming weekend or at your earliest convenience and I will spring for lunch.

Regards,
Ray

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03-09-2012 01:21 PM  6 years agoPost 107
Dr.Ben

rrMaster

Richmond, VA, USA

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I don't think a better offer could be made.

Thanks Ray.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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03-09-2012 02:11 PM  6 years agoPost 108
unclejane

rrElite Veteran

santa fe, NM, USA

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I had a similar problem with my 750 - HH mode didn't "HH" much better than rate mode - but I'm still wondering if perhaps this could be a defect in the unit? I couldn't get anyone to tell me whether this was normal or not, so I had to assume it wasn't, mainly because my other units (BeastX) held attitude fine on the same machine, even in winds up to 20mph.

I mean, it's just not like Futaba to make something that just doesn't work right to the degree mine does, and perhaps yours also. That's what I initially thought when I was fighting with mine, but I've also been a Futaba user for many years and their equipment is simply without peer.

I think I'm going to send mine in to hobby services for checking even tho I've gone to the microbeast on my helis in the meantime. The mystery is still kind of itching a corner of my brain lol...

Perhaps that might be called for for yours too in case a reasonable effort to get it working right fails, which it certainly sounds like is the case?

LS

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03-09-2012 02:48 PM  6 years agoPost 109
DougV

rrVeteran

Miramar, Florida - USA (Ft. Lauderdale)

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Funguy,

I own the Microbeast and the CGY750; I can tell you that the BeastX is not better than the 750. I tell you what... I trade you my microbeast for that 750,even trade serious! Deal??

PM me if interested.

Doug.

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03-10-2012 05:16 AM  6 years agoPost 110
3dgimble

rrKey Veteran

Rochester

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Sorry abandoning ship. Is that all you think a CGY750 v1.2 is worth, one BeastX?


You can do better, add $100 and it is yours. Wasted enough flight time with this thing, sorry.

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03-10-2012 05:49 AM  6 years agoPost 111
rexxigpilot

rrProfessor

Florida

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Well funguy, did you take Ray Stacy up on his offer to help you set up your CGY750?

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03-10-2012 05:55 AM  6 years agoPost 112
3dgimble

rrKey Veteran

Rochester

My Posts: All  Forum  Topic

If I can not set it up on my own, then it is pointless having someone do it for me. I will stick to the rivers and streams. VBar and BeastX, thank you very much for the offer though.
You guys have been great.

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03-10-2012 08:19 AM  6 years agoPost 113
rstacy

rrElite Veteran

Rochester, NY

My Posts: All  Forum  Topic

If I can not set it up on my own, then it is pointless having someone do it for me
Interesting. I might have been able to teach you a thing or two about the system.
The offer is always there if you ever change your mind.

Best regards,
Ray

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03-10-2012 09:06 AM  6 years agoPost 114
Dood

rrProfessor

Wescanson

My Posts: All  Forum  Topic

Ray, if he won't take it, I'll take you up on the lunch offer. But only if we can go to Red Lobster.

  ▲
▲ ▲

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03-10-2012 11:02 AM  6 years agoPost 115
DougV

rrVeteran

Miramar, Florida - USA (Ft. Lauderdale)

My Posts: All  Forum  Topic

Sorry abandoning ship. Is that all you think a CGY750 v1.2 is worth, one BeastX?

You can do better, add $100 and it is yours. Wasted enough flight time with this thing, sorry.
Well, according to you, the beast is better than the 750, so you will be getting what you want, the beastx ( the better system)and I'm getting what I want, the cgy750 ( the better system)

You see..... we both win!

Doug

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03-10-2012 01:25 PM  6 years agoPost 116
Dr.Ben

rrMaster

Richmond, VA, USA

My Posts: All  Forum  Topic

If I can not set it up on my own, then it is pointless having someone do it for me.
Indeed, an interesting attitude. I've gotten pretty good at a few things in life as result of the teaching of others. I suppose I haven't been smart enough to master everything on my own. I'm glad RR is here for others like myself who are willing to learn from others.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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03-10-2012 02:21 PM  6 years agoPost 117
Ben-T-Spindle

rrProfessor

Central Illinois

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Setup Question
I wanted less roll rate so I lowered the AIL.Rate from –55 to –48. Is that a problem if I have the ailerons at –48 and the elevator at +55? Could this cause the pirouettes to be a little off?

Is this the correct way to lower the roll rate or should I have just set the dual rate to less than 100 and left the AIL.Rate at –55?

.
.
.

BTW I could never find what the term AFR stands for and why the control rates are called AFRs.

... BTS

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03-10-2012 06:41 PM  6 years agoPost 118
Dr.Ben

rrMaster

Richmond, VA, USA

My Posts: All  Forum  Topic

The maximum roll rate you desire for your model will defined by the Swash AIL AFR, so you were correct to lower the swash AFR's value. Now, I would ideally want the swash AFR's to stay in the 50-60% range but it's not like the system will instantly start to fly lousy at 48% AIL AFR. If your gyro gain for AIL is at 75% or better, then leave things as they are. If your gain is lower than that plus you are now at 48% AIL swash AFR, theI would go in a mm or two on your servo wheel radii. Having some difference between the AIL and ELE AFR's should not cause piro issues. Make sure the CG is really correct and use the rotational tracking to further refine the piro compensation by observing the disk in the piros. You want to tune so the disk stays level. Worry less about what the core mechanic looks like it is doing during the piro. Also remember that for the most part, the lower the piro rate, generally the lower the Rot.HIS value. Values greater than 16 appear to be of little value for fast piros.

AFR stands for "adjustable function rate"

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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03-10-2012 10:26 PM  6 years agoPost 119
Ben-T-Spindle

rrProfessor

Central Illinois

My Posts: All  Forum  Topic

Thanks Ben I increased the gains to 75 and reduced the D gain and it flies very well.

Wind Compensation

I was hovering in a 16 MPH wind today and noticed that I had to hold in a lot of stick to keep it level. When I changed heading the amount of stick changed (nose into wind is opposite to nose pointing downwind). What parameters can I adjust to reduce this effect?

... BTS

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03-10-2012 11:43 PM  6 years agoPost 120
Mr.HillBilly

rrVeteran

Salesville, OH - USA

My Posts: All  Forum  Topic

Something to try if you can not get rid of the wobbles is run your blades loose and see if it goes away.

I have been setting up a 750 on my Radikal G30 that had a 750 on it before that got damaged by my great flying. Anyways I have spent over 2 hours trying to get rid of the wobbles today. I turned the "I and D" gain all the way down to nothing, taken the Head Response all the way up to 5 and nothing would git rid of them until I tried running the blades loose, I ran out of light today but I was able to take the HS up to 2100 without a twitch with the blades loose, after I figured out it was working good loose, I did a spool down at 0 Degs and tighten up the blades and it would wobble again, loosened them up again an ran like a champ.

So anyone have any ideas why I would haft to do this, it was 60F today and I have flown this bird in 90F and all the way down to 15F and never had a issue with the blades tight or loose. Both versions of my 750 are version 1.2

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