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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsFutaba CGY › 750 Vibration Resistance
05-13-2011 09:25 PM  7 years agoPost 1
jadams

rrKey Veteran

East coast USA

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I am amazed at the vibration resistance of the CGY750. I installed it on my Fury 55 and had to remove the front tray to mount the new sensor mount. I flew it around for 3 or 4 flights and when I landed heard a buzzing noise. I had a slight over-site and forgot to tighten the upper screws that mount the tray to the frame of the heli. Needless to say the tray was completely loose allowing the sensor to vibrate and move around. The heli still flew perfectly even with all of this vibration. Futaba did a awesome job with this unit.

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05-13-2011 09:45 PM  7 years agoPost 2
bkervaski

rrElite Veteran

Birmingham, AL, USA

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I completely agree!!! No more tape, plate, tape, zeal, relocate, etc, etc, etc, just mount and fly, love it!

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05-13-2011 10:27 PM  7 years agoPost 3
Ben-T-Spindle

rrProfessor

Central Illinois

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I have a high vibration helicopter that was totally unflyable with other controllers so it was just sitting. After installing the CGY it flies perfect although I did use slightly thicker mounting tape then Futaba provides.

... BTS

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05-14-2011 06:50 AM  7 years agoPost 4
Dr.Ben

rrMaster

Richmond, VA, USA

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Yep.

To give you an idea of just how vibration tolerant the product is, in testing they literally glued the sensor to a heli's frame, and it still worked OK. Remarkable.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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05-14-2011 06:37 PM  7 years agoPost 5
bkervaski

rrElite Veteran

Birmingham, AL, USA

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I'm half tempted to take a sensor apart to see how they did it.

I wonder if it's the custom silicone that does it, the software, or some kind of clever way of suspending the system in a magic gel inside that tiny case?

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05-14-2011 06:56 PM  7 years agoPost 6
Wave

rrKey Veteran

Illinois

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I wonder if it's the custom silicone that does it, the software, or some kind of clever way of suspending the system in a magic gel inside that tiny case?
It is inherent to the vibrating ring mems sensor.

Check out the cool pic about 1/3 of the way down this page = > http://www.pinpoint-gyro.com/wp-con...resentation.pdf

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05-14-2011 07:38 PM  7 years agoPost 7
bkervaski

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Birmingham, AL, USA

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@Wave - VERY cool PDF, thanks for the link!!!

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05-14-2011 11:15 PM  7 years agoPost 8
velocity90

rrNovice

Belguim

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First of all it only takes me 10 secs to put a pad on, so I see no advantage there

Secondly, Just my theory but making a sensor less sensitive to vibs means also making it less sensitive to movement thus corrections.

Vibration is also movement.

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05-15-2011 01:39 AM  7 years agoPost 9
ssmith512

rrKey Veteran

Indianapolis, IN USA

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First of all it only takes me 10 secs to put a pad on, so I see no advantage there

Secondly, Just my theory but making a sensor less sensitive to vibs means also making it less sensitive to movement thus corrections.
First, it is great that you can put pads on in 10 seconds. No one is saying, or has ever said, that not putting a pad on was an "advantage". Although, not having to use a pad is CLEAR indication that Futaba has once again stepped up the game with their new sensor that is #1 in vibration resistance.

Second, your theory is entirely 100% wrong.

And FINALLY, we all know that you are a BIG fan of the v-bar. Go talk up the v-bar in the v-bar threads. There is no reason to CONSTANTLY post about a product you have never tried, and most likely will never try, and one that you oviously dont like. You offer ABSOLUTLEY nothing to the threads, and never have. IF you have constructive information to offer, please by all means post up and share. If all you want to do is continually troll the CGY750 threads and spew crap from your fingertips, then please, grow up and move on.

Steve

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05-15-2011 03:24 AM  7 years agoPost 10
GetToDaChopper

rrElite Veteran

Las Vegas , NV

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it's quite clear for those in the know that futaba's vibrating ring sensor rejects vibration without losing sensitivity to motion.
I'm half tempted to take a sensor apart to see how they did it.
really futaba didn't do it, pin-point did and there's really not much to see as it would look something like a few of these on a board.........

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▲ ▲ ▲ One of a Kind !!!

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05-15-2011 11:57 AM  7 years agoPost 11
Wave

rrKey Veteran

Illinois

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really futaba didn't do it, pin-point did
Futaba was smart enough to select the correct sensor as well as do an excellent job integrating them into there design.

Until other FBL companies discard the "tuning fork" sensor then they will remain second rate at best.

All the fancy software in the world will never fix the fundamental limitations of the tuning fork sensor. It is simply inadequate.

Futaba is clearly the best unit from a hardware perspective, and now that they have added piro comp ( with the ability to turn it on or off, and free of charge), there firmware is also second to none.

The Vbar guys can say what they want but the Vbar is based on outdated and inferior sensor technology, as well as a marketing scheme that constantly upcharges you.

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05-15-2011 02:48 PM  7 years agoPost 12
Ben-T-Spindle

rrProfessor

Central Illinois

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I agree with that. Charging for upgrades is very old school and one of the main reasons I don’t own a Vbar.

Futaba gave a free upgrade from 8 channels to 14 channels on the 8FGH radios. Now that’s the correct market strategy.

... BTS

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05-15-2011 06:45 PM  7 years agoPost 13
velocity90

rrNovice

Belguim

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@ssmith512

Well, that are some unkind words. You totally misunderstand me so please think before you flame.

Im intrested in the CGY750 and not a huge fan of VBAR. If the cgy750 proves to be better I will order instantly. Im not like you bounded to one brand ( if walmart releases a top notch gyro I will simply have that). I simply dont read overwelming reviews yet. Maybe in the future.

If they included pyro opt in the first place I would have had 2 by now.

In stead of flaming my serieus question you choose to make fun of it. Take a look at the Mem explanation by another member under your post. Thats the kind of explanation Im looking for. Go flame in forums for 16 year olds please!!!

Also I dont made a bad comment about the CGY. It flies more like flybar which is simply not my thing. That doesnt mean Im not intrested in the sensor technology. And I understand from joe1l he pretty much managed to tweak the cgy to fly less flybarlike. Thats a + for me.

Think again for you post or dont react at all...

The funny thing, its people like you and Wave who bash the vbar. Im simply looking for better all the time. Bashing is so simple and to say that for instance vbar uses old technology makes me laugh, hard. What are all those 3dmasters pilots thinking flying something so outdated.

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05-15-2011 09:59 PM  7 years agoPost 14
Wave

rrKey Veteran

Illinois

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What are all those 3dmasters pilots thinking flying something so outdated.
..because they like the predictability of a mechanical flybar.

It just feels right.

FBL systems have yet to dominate any competitions....until now that is with the Futaba CGY 750 the future will be much different.

Predictable locked in flybar response with FBl processing power, and state of the art vibration insensitive sensor technology.

...now with piro comp.

..upgrade for free.

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05-15-2011 10:13 PM  7 years agoPost 15
velocity90

rrNovice

Belguim

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I actaully meant that most pilots at 3d masters that fly fbl fly the vbar and thats what I meant by outdated since you say the sensor is crap.

Also, just build the helis more precise and you will not have vib problems. Specially on electrics.

Now lets get ontopic because you can say all you want about both systems, it gets down to preference really

ps. I cant remember paying for the 5.0 to 5.1 upgrade but It sure didnt need any expensive usb controllers

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05-15-2011 10:21 PM  7 years agoPost 16
Wave

rrKey Veteran

Illinois

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Hey now ...that thing also upgrades my GY520 and GY701 for free.

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05-16-2011 05:30 AM  7 years agoPost 17
GetToDaChopper

rrElite Veteran

Las Vegas , NV

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Futaba was smart enough to select the correct sensor as well as do an excellent job integrating them into there design.

Until other FBL companies discard the "tuning fork" sensor then they will remain second rate at best.

All the fancy software in the world will never fix the fundamental limitations of the tuning fork sensor. It is simply inadequate.

Futaba is clearly the best unit from a hardware perspective, and now that they have added piro comp ( with the ability to turn it on or off, and free of charge), there firmware is also second to none.

The Vbar guys can say what they want but the Vbar is based on outdated and inferior sensor technology, as well as a marketing scheme that constantly upcharges you.
OMG thats too funny ! the reality is that even the worst sensor technology in use by the top FBL makers out there is more than sufficient for what they are being used for and are hardly a limiting factor when it come to FBL performance !

also FBL controllers that incorporate accelerometers like the skookum 720 get a bad rap for being sensitive to vibration when the fact is the gyro portion of the unit is very resestant to vibration and only when using the self-leveling feature (accelerometers) does vibration start to become an issue

i've yet to read any top pro who came in 2nd place say "i would have won but my FBL system was holding me back", sensors are far from what make a great FBL system "great" !

    ▲
  ▲ ▲
▲ ▲ ▲ One of a Kind !!!

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05-16-2011 10:28 AM  7 years agoPost 18
Wave

rrKey Veteran

Illinois

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OMG thats too funny ! the reality is that even the worst sensor technology in use by the top FBL makers out there is more than sufficient for what they are being used for and are hardly a limiting factor when it come to FBL performance !
The reality is that you have no idea what your talking about.
i've yet to read any top pro who came in 2nd place say "i would have won but my FBL system was holding me back", sensors are far from what make a great FBL system "great" !
Maybe because they are sponsored by said company and do not want to lose there free ride.

Its Ok friend, life is good. I awaken early each day filled with a facination for the world around me. I listen to the birdsong as they herald the start of a new day and think to myself ...its good to be alive.

Fly what you like.

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05-16-2011 04:12 PM  7 years agoPost 19
Tyler

rrElite Veteran

Chicagoland area

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One could share a futaba usb programming adaptor, but buddies cannot share Mikado software updates.

Paying for major updates is my #1 reason for NOT owning a v-bar, PERIOD!

Enjoy things that money can buy IF you don't lose the things money can't buy.

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05-16-2011 08:43 PM  7 years agoPost 20
GetToDaChopper

rrElite Veteran

Las Vegas , NV

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well i've said it before but when it come to sensor technology pin-point isn't even close to the industry leader which is ADI (Analog Devices) but don't take my word for it (since i don't know what i'm talking about) look for your self..........

oh and i don't know what companies are still using "tuning fork" sensors but i can tell you skookum isn't one of them as they use MEMS vibrating structure gyroscopes made by the industry leader ADI......

    ▲
  ▲ ▲
▲ ▲ ▲ One of a Kind !!!

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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsFutaba CGY › 750 Vibration Resistance
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