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HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsFutaba CGY › Futaba CGY750 v1.10 Released!
06-01-2011 03:55 PM  9 years ago
Hotwings

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Florida, West Palm Beach.

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yes, i'ved used with gy-520, going to hobby shop now to get another ciu-2, i'ved tried on XP and 7, no difference, i'll try new ciu-2 and then let you guys know what happened, thanks dor the help, Ron

PS: i'm computer literate for the most part, i'm sure somehow it's operator error, love the 750's
Please cancel my clearance, I have the field in sight. Got my RW Turbine Waiver, need lottery!
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06-01-2011 03:57 PM  9 years ago
bkervaski

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Birmingham, AL, USA

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@Hotwings: What does your device manager say about the CIU-2 devices?

The CIU-2 is actually two devices, a USB device and a virtual COM3 serial port.

You have to install both drivers.
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06-01-2011 04:12 PM  9 years ago
BrainDrain_dx

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Wichita KS

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neither of my drivers installed automatically. I had to go and manually install both of them before the device would work. Make sure you do this.KDS Agile 7.2/5.5 Chase 360 - SkyHero Spyder/Spy/Little Spyder
Sponsored by my Visa
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06-01-2011 04:13 PM  9 years ago
bkervaski

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Birmingham, AL, USA

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Yep, good point BrainDrain_dx, I also had to install both manually and the second device didn't show up until I had the first successfully installed.
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06-01-2011 04:14 PM  9 years ago
BBremer-HCA

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Champaign, IL

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Phase Equalizer;

During initial setup this function should be left disabled. This function is used to further optimize the cyclic input response of the helicopter during pirouettes.

With the Rotation Equalization (pirouette compensation) turned on if you feel that your cyclic corrections are occurring too late or too early then you need to setup and enable the Phase Equalizer function.

For this algorithm to operate correctly you must set the head speed, gyro mounting direction and the blade rotation direction. All of these variables are then used to calculate a phase adjustment that is applied to the cyclic inputs. This is a dynamic phasing adjustment that is only applied while the model is pirouetting.

If you are flying an electric helicopter using an external ESC/Governor then you must set the CGY750 governor with the approximate head speed of the other governor before enabling this function. You must also set the gyro mounting direction and the rotor head rotation direction as well.

Phasing;

To set the overall phasing of the rotor head use the SWASHSet->Expert->SWASHRot. This is a fixed offset similar to adjusting the phasing ring or swash follower on the helicopter.

Rotation Equalization;

Enable this function and set the rotation direction per the manual. This function is nothing but beneficial to the pilot. Please be a little bit cautious for the 1st flight to become accustomed to the lack of corrections necessary during pirouettes I have had very good luck with the ROT.His set between 8 and 12, 8 if you are into slower more precise pirouettes and 12 if you are not that worried about those. Higher values are easier on the servos/battery life/etc.

I Gain;

This is the Integral gain or the heading hold portion of the PID calculations. Higher values will result in more stability but this will also slow down the feel to a certain extent. As the I Gain comes up the helicopter may begin to bounce on that axis and the P gain (or tx gain) may have to be lowered. Try to find a good balance between stability and aggressiveness for your helicopter. The amount of P gain and I gain are very much dependent on head speed, blade type/size, servo speed, on and on so it should be adjusted on a individual basis.

Regards,
Brian Bremer
Hobbico, Inc.
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06-01-2011 04:53 PM  9 years ago
epc2

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Miami , Fl./S.Domingo.

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Wondering if the units sold from Tower from now on will have the new software??

epc2.
Team My Wallet.
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06-01-2011 05:15 PM  9 years ago
Hotwings

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Florida, West Palm Beach.

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Well, I feeeeeel like an idiot!!!!

When i connected the ciu-2 to the 750 i reached into my electrical box and pulled out a male to male futaba wire, didn't NOTICE that it was only TWO wires (+/-) no SIGNAL!!
While at the hobby shop which didn't have a new ciu-2 had an epiphany
needed a signal wire to work, came home hooked up three WIRE connector cable, and two minutes later, both 750's upgraded, MY BAD!!!
Hope this will help someone else not make this mistake, Ron
Please cancel my clearance, I have the field in sight. Got my RW Turbine Waiver, need lottery!
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06-01-2011 05:17 PM  9 years ago
haq0901

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Miami, FL USA

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I did notice some weird inputs when phase eq was turned on so I will be turning that off since my Heli has no phasing problems that need fixing. Will post after I get some flights in.
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06-01-2011 06:08 PM  9 years ago
Dr.Ben

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Richmond, VA, USA

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Building on what I had commented on earlier this AM and after doing some more research, the phase equalization uses the input rpm value as part of the initial basis for that calculation. As best we tell from what Japan has stated, if the rpm then varies to a degree from that baseline, the 750 will further tune the correction.

Now, since electric models using the ESC's native governor cannot supply that ongoing rpm feedback, the correction will remain fixed for the chosen headspeed (flight mode assignable, BTW). In my mind this isn't a big deal because most of the good native ESC governor's hold headspeed very well. Those guys who are chosing to run staight line 100% throttle curves in idle up with phase equalization turned ON will be best off picking the average rpm between a fully charged pack versus a depleted one to determine the best rpm with which to supply the 750. A logger will be of use to help choose that overall average headspeed.

Ben Minor
Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA
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06-01-2011 06:14 PM  9 years ago
knightofcarnage

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chicago

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Ok here is a stupid questions. My HH speed on my 450 is 3700. There is no way i can set in the radio. Max in the 8FG is 2500. So now what?
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06-01-2011 06:15 PM  9 years ago
KyleStacy

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Rochester,NY

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Posted by Steve Kaluf in another thread:

"Here is some great information on setting up the new firmware for the CGY 750 This is straight from the engineers that designed the unit.

Phase Equalizer Operation
The phase equalizer compensates for swash phase mismatches during
pirouetting maneuvers. This is caused by the difference in pirouette speed versus rotor head speed. When the head speed is lower, the phase mismatch will be greater. At head speed to 2000 rpm, pirouette speed to 720 deg/sec, the phase mismatch to both roll and pitch axis are about 5.4 degrees lead pirouetting to the left and lag to the right.

What Phase Equalization does for you
The phase mismatch occurs due to the above mentioned mismatch of pirouette speed and head speed. The Phase Equalizer compensates the roll and pitch control axis dynamically, so you get more precise swash control during pirouetting maneuvers.

Setup
The Phase Equalizer needs the pirouette speed and head speed information and rotor rotation direction. The pirouette speed can be measured by the yaw gyro and head speed can be determined by the governor head speed setting. When you don't use the governor such as with an electric heli, you still need to put the rotor rpm in (this does not need to be precise data, a good guess is better than nothing!) The new firmware now has an rpm setting menu even when the governor is not used. If you do not input an rpm the CGY750 will use a default 1500 rpm."

Kyle Stacy
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06-01-2011 07:20 PM  9 years ago
knightofcarnage

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chicago

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I understand that. My argument is that max HS you can set 3000 RPM cgy unit and 2500 on the radio. This means I can't use this feature with 450pro. my HS is 3200 3400 and 3700.
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06-01-2011 10:15 PM  9 years ago
Eury

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Dover NH USA

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First flight.
Posting this from the field. Just did the first flight on my Furion with the 750 on it. This is a heli that I pulled a well tuned Vbar 5.1 off of.

Verdict? It is every but as good as the Vbar I pulled off. Had to tweak the gains a bit, and it's perfect, flies pretty much identically to my Vbar. Piro comp works perfectly, tracks beautifully, fast cyclics, and locked in. The only thing that I need to do is work on it picking up the nose a bit in consecutive rolls. Other than that it is perfect.

My Vbars are now for sale. I need to order a couple more 750s.
Nick Crego

Citizen #0168
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06-01-2011 11:10 PM  9 years ago
knightofcarnage

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chicago

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My Vbars are now for sale. I need to order a couple more 750s.
LOL Sweet
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06-02-2011 01:06 AM  9 years ago
GetToDaChopper

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Las Vegas , NV

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Eury with posts like that v-bar has to be a bit worried or at least they should be     ▲
  ▲ ▲
▲ ▲ ▲ One of a Kind !!!
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06-02-2011 01:14 AM  9 years ago
haq0901

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Miami, FL USA

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Piro comp works perfectly, tracks beautifully, fast cyclics, and locked in.
+1! Very Happy that Futaba came out with this! I honestly would like a computer interface though just to back up all my settings and view them in a single page view. Regardless, she flies superb now.
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06-02-2011 01:19 AM  9 years ago
GetToDaChopper

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Las Vegas , NV

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you know with how everybodys talking about this new update it's even got me excited and i don't even own one !     ▲
  ▲ ▲
▲ ▲ ▲ One of a Kind !!!
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06-02-2011 02:49 AM  9 years ago
Eury

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Dover NH USA

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I don't think that it flies better than the V-bar, but it does fly every bit as good. If I swapped between my Vbar setup and the 750 and let someone fly both they wouldn't notice any difference. The basic setup on the 750 definitely isn't as easy, and the vbar does a much better job of masking imperfections in setup (particularly CG). However, the tweaking to make it perfect was much faster on the 750 than it was on the Vbar.

What makes me say that I'm selling the Vbars is that I HATE having to use a computer to set things on my heli up. My Furion is well setup because I happened to have some time on my hands one day and a bunch of extra packs as well as a bluetooth interface. So I spent a bunch of time tuning things to make it perfect. WIth the 750 I had it tuned pretty much perfect in 1 pack. Being able to land, walk up to it and push a couple buttons is invaluable to me. I've lived with a far less than perfect setup on my Rave ENV and Rave 450 for months just because it's such a pain to bring a computer out and make adjustments on it. This is more like my Gyrobots were, the setup is a little complex, but they are similar (although the 750 is easier), and I understand the way they work.

I wouldn't get rid of my Vbars based on flying qualities or flexibility. I think the Vbar is a more flexible unit (governor for electrics using a phase sensor is AWESOME) that flies perfectly. HOwever, when it comes to tweaking it and not having a computer around, the 750 is a better choice for me. It combines what I likes in my Gyrobots with what I liked in the Vbars.
Nick Crego

Citizen #0168
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06-02-2011 03:09 AM  9 years ago
helicraze

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Victoria - Australia

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A control panel takes care of that.

Good to hear the futaba unit is working much better now
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06-02-2011 03:13 AM  9 years ago
Eury

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Dover NH USA

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A control panel takes care of that.
It certainly does, at $120. So total investment in a Vbar Pro with control panel is $470. No thanks.
Nick Crego

Citizen #0168
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 9 pages [ <<    <     2      3     ( 4 )     5      6     NEXT    >> ] 15493 views TOPIC CLOSED
HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsFutaba CGY › Futaba CGY750 v1.10 Released!
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