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HomeAircraftHelicopterHelicopter Main Discussion › GY401 or GY611???
02-07-2008 01:57 PM  10 years agoPost 1
heli-cuzz

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Pittston, Pa. USA

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Can anybody that has experience with both these gyros tell me what the advantages of the 611 has over the 401? (Besides the price$$$)
I have three GY401+9254 and they all work beautifully, holds rock solid. Is it really a necessity to have a 611?
I've been working on upright and inverted reversed flite and the 401 seems to hold great but I'm still not flying very fast in the reversed direction.

Fury 55 NIB Furion6 CGY750 fbl helicopter-Frenzy CGY750 fbl nitro-Frenzy fbl NOBAR90

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02-07-2008 02:13 PM  10 years agoPost 2
playfair

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Rochester, NY

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You are probably not at the point yet were a 611 would matter much.
I have both on different machines (actually a 611,601, and 401), and even though the 401 will hold under most circumstances, it requires rudder input to keep from giving out during fast backward flight.

The better gyros also maintain piro rate better when you're moving, like during a pinwheel or slides. For example, if you let the heli fall on knife edge while piroetting, the 401 lets the tail snap around for half the rotation, then struggles abit on the other half.


The sky is our canvas

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02-07-2008 04:17 PM  10 years agoPost 3
heli-cuzz

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Pittston, Pa. USA

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Thanks playfair. Maybe I'll see you at the NY heli-jamboree this summer.

Fury 55 NIB Furion6 CGY750 fbl helicopter-Frenzy CGY750 fbl nitro-Frenzy fbl NOBAR90

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02-07-2008 04:46 PM  10 years agoPost 4
Crash3D

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Reno, Nevada

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The 401 is going to be plenty of gyro for most. If you are looking towards hard 3d, or very fast backwards flight, start looking for something better than the 401.

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02-07-2008 05:05 PM  10 years agoPost 5
Invrted1

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Cincinnati, Ohio

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Properly set up the 401 is capable of handling as much as most pilots can give it. If you are able to max out the 401, you are ready for some type of competion. More often than not, if a 401 seems not able to deal with a certain move, it is due to improper setup.

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02-07-2008 05:17 PM  10 years agoPost 6
Sam2b

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Tacoma, WA

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heli-cuzz, before you spend your money either way, consider the Spartan DS760. It is smaller and lighter than the GY401, and has features like the GY611, and more.
http://www.spartan-rc.com/products/ds760/ds760.php

_Sam B_

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02-07-2008 06:24 PM  10 years agoPost 7
Sean Williams

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Santa Clarita CA

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Nope, I fly a 401 on all of my heli's. The only difference is piro consistency.

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02-07-2008 06:25 PM  10 years agoPost 8
tauscnc

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Joliet IL

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I think you answered your own question:
GY401+9254 and they all work beautifully, holds rock solid. Is it really a necessity to have a 611?
I can't tell much of any difference other than my 90 did not wiggle as much in FFF. Now that could of been a setup problem of the heli. I was also told that it works better in backwards flight so I just took the plunge to "clear my mind" and got the 611. I am just starting to do backward inverted, etc.

If it ain't broke don't fix it. With all the different settings I just have one changed (the gain or something) rest is all standard.

My friend who flies very good is also considering getting the Spartan, small, light and update able via the internet.

taus

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02-07-2008 07:45 PM  10 years agoPost 9
Jeff polisena

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westpalmbeachflorida usa

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The bottom line is if you don't fly hard 3D and demand a lot of tail maneuvers 401 will work fine the 401 will fail meaning servo and reaction speed will not be fast enough you will know when you need a 611

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02-07-2008 07:52 PM  10 years agoPost 10
robhurlin

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Pretoria, South Africa

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heli-cuzz, you are just about to outgrow the 401 - go for a 611, jr 770 or preferably a Spartan 760. I have just bought 2 Spartans to replace 401s - I can't wait to get a consistent piro rate and rock solid tail under any circumstances!

Rob.

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02-07-2008 07:59 PM  10 years agoPost 11
Jeff polisena

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westpalmbeachflorida usa

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robhurlin , where did you buy Spartans ? let me know haw you like the consistent tail I am stuck on 611 but will probably go to Spartan so I can run 8 v on everything in heli

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02-07-2008 08:13 PM  10 years agoPost 12
jester4

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Brampton, Ontario

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I've had my 401 in everything from my 450 to my 90 and it has been a good gyro, and has held up well for sport flying, inverted some light 3D like tictocs etc. Now I am starting to have trouble with fast backwards flight with it, so I think I have reached close to the end of it's capabilities with my machines. If you are not doing heavy 3D, and the tail is working well for you, I would spend my money elsewhere..

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02-07-2008 08:16 PM  10 years agoPost 13
robhurlin

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Pretoria, South Africa

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Jeff, I got mine from Midland in the UK:
http://www.modelhelicopters.co.uk/c...8#a2_21SRC03448

I have a 611 on my Raptor 90 - lots of space for the gyro and amp and I love its performance! One of my new Spartans is going on my T-Rex 450 where space and weight are an issue. They are also great because they can take any servo and are much cheaper than the 611.

Rob.

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02-07-2008 08:28 PM  10 years agoPost 14
Sam2b

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Tacoma, WA

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Can anybody that has experience with both these gyros tell me what the advantages of the 611 has over the 401
To answer this question briefly, to name a few, the GY611 gyro:
1) is in a higher class of gyro than the 401
2) has an LCD display to program it
3) has a faster and more powerful usec/Hz capability
4) has more configurable parameters to better fine tune your heli the way you like it to respond.
5) can take the toughest 3D thrashing around and has uncompromising holding power, also thanks to the fast and strong 9256 servo.

But so can the Spartan DS760, and it is ALLOT lighter weight, and is cheaper in price. To name a couple features,
1) is in the same class or higher as the 611 gyro.
2) the Spartan is programmable to accept a wide variety of servos so it inter operates with virtually any servo
3) operates at 4v-8.4v
4) can be used in a 200 size electric heli up to a 90 size nitro heli or larger.
5) can be programmed to be very aggressive or smooth.
6) Let's put it this way: Alan Szabo Jr. is using it.

_Sam B_

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02-07-2008 09:59 PM  10 years agoPost 15
Crash3D

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Reno, Nevada

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I have a Spartan on the way. Should be here today actually. I'm looking forward to giving it a try.

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02-07-2008 10:47 PM  10 years agoPost 16
Al Austria

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Sacramento, CA - USA

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Piro rate consistency is the biggest advantage of the 611. The 401's logic is suppression and stop and as a result, the tail will exhibit a "whipping" effect while pirouetting in wind or while moving. The 611 in 3D mode actually prioritizes the piro-rate as "X" degrees per second thus resulting in a piro rate that is far more consistent. When setup correctly, the 401 will hold nearly as well as the 611 in FBF.

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02-07-2008 11:23 PM  10 years agoPost 17
balsapro

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Gallatin,TN

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like most things you get what you pay for. if your flying skills are worthy a 611 its worth every penny if not then the 401 may be a better fit for you.

Build the Best, Fly the Best, Crash the Best

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02-08-2008 01:32 AM  10 years agoPost 18
heli-cuzz

rrElite Veteran

Pittston, Pa. USA

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Thanks for all the replies.
I have 3 401 gyros now. I love them to death especially after beginning with a cheesy helimax micro-piezo $hitbox gyro, if it wasn't for the 401, I probably would have gave up this ever so addicting hobby/sport. Now That I can fly... I'm a Lifer!!!!
I usually don't like mixing electronics, but I'm not afraid of changing for the better. Money is not the issue as the Spartan and the 611 are about the same price anyways.

I think the Spartan may be the wise choice after reading all about it.

Thanks again guys for the info.

Fury 55 NIB Furion6 CGY750 fbl helicopter-Frenzy CGY750 fbl nitro-Frenzy fbl NOBAR90

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