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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › anymore gy 520 reports would be great
04-27-2009 05:24 AM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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HEHEHEHE

I know my Tail didnt beleive either
AMA 334000
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04-27-2009 02:07 PM  10 years ago
J2M

rrVeteran

UK

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Flew my GY520 in a Stratus this weekend in 15+mph winds. Took out a Spartan to see how the GY520 compares without adjusting anything on the Tx. GY520 felt different at first for two reasons - for a given rudder ATV, you get a higher piro rate with the 520 and the 520 doesn't appear to have default expo like the Spartan. Initial impression therefore was of a very, very responsive tail with a manically high max piro rate.

With lower rudder ATV (100% rather than 125%) and a bit of expo to suit me, I was very happy with this gyro. As reported elsewhere, hold is very strong and piro consistency is excellent (MUCH better than the 611, maybe even better than the Spartan).

Very nice gyro I think. Overall, I found it as good as the Spartan with a slightly more responsive feel to the stick which I liked. I need more stick time with it but I doubt I'll rush to sell my 5 Spartans.
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04-27-2009 10:04 PM  10 years ago
Mujenpwr

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Mickleton, NJ

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I flew mine for the first time this weekend. It worked very well in the wind and the piro rate was very smooth. However I had to add about 25% (or more) expo as it was very sensitive around center as compared to the 611 that was in it before. I was not expecting that. So that being said, please be sure to READ THE MANUAL it mentions items like expo, what the gyro does during startup. I think it is excellent and saves tons of real estate on my models. I would like to play with the start and stop parameters at some point.
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04-28-2009 03:15 AM  10 years ago
THX1138

rrElite Veteran

Indianapolis, IN

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SO are there any more reports? I am looking at putting one on my R90SE.

Lou
Just give me five dudes and two flashbangs...
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04-28-2009 03:35 AM  10 years ago
freakyreef

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Kansas\Colorado border

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I would like to play with the start and stop parameters at some point.
Ditto!! The 520 has a unique feeling on the starts. Stops seemed to be on a dime, but the starts were interesting for me (not in a bad way)

Interestingly, when you max out the piro rate, it appears as though you surpass the gyros limits of 800 degrees per second. At this point, the gyro no longer controls the piro rate. Try this. Max out the piro rate ATV take it waaay up on knife edge and begin the piros on the way down. It will begin to whip and lag after falling some distance. Just my personal observation. Not sure if this is what is technically happening since the piros are so friggen fast you couldn't keep up anyway.
Walk on water long enough, eventually you will get your feet wet.
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04-28-2009 09:44 AM  10 years ago
Alexander S H

rrNovice

Norway

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Has one of you tried the 520 on bigger helis like 90 and bigger gas helis?
Will it hold the big birds? Maybe this will be the inheritor of the 401 gyro.
Alexander
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04-28-2009 09:46 AM  10 years ago
Dr Lodge

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Guildford, Surrey - UK

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See J2M's report above, the Stratus is a 90 heli.Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200
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04-28-2009 10:02 AM  10 years ago
Auto180_OCMA

rrApprentice

Futaba City Z (Mobara)

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They way i setup mine
I usually make sure that i have 100 % on ATV, and mechaniclly the tail is setup. Then i use the AFR rate from 100% up or down for the amount of PIRO rate that i want in a certain condition.

I did add Expo in normal mode, but i like the feel of fast tail response in other modes.

That is using a Futaba Radio.
AMA 334000
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04-29-2009 05:06 PM  10 years ago
holzback

rrKey Veteran

noblesville IN United States

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SO are there any more reports? I am looking at putting one on my R90SE
im finishing up my raptor 90 3d today, we will see how it goes.
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04-29-2009 07:31 PM  10 years ago
Dr.Ben

rrMaster

Richmond, VA, USA

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Mine was great from the start and continues to be so today.

As noted, do not expect your 611 set up to work the same for this gyro. Set it up as you would for any new piece of equipment to get the feel you desire, and you'll be most pleased. And please don't assume that 37% is the right gain to use by default, here, either.

Ben Minor
Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA
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04-30-2009 09:20 PM  10 years ago
72CHVY

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Dallas, Texas-USA

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Bounce and Drift
I like the way the 520 feels but I have noticed a small amount of drift i can't seem to get rid of and I have a lot of bounce back with hard tail moves. That being said, i have it on a Trex 450 so the bird is part of the problem. Does anyone have some DX7 settings to post for a 520 on a 450?
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05-02-2009 11:30 PM  10 years ago
EVO76

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New York , U.S.A.

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ok guys, I need some help..i'm trying to help a buddy with the 520, but having an issue we can't figure out. when he does climbouts, the tail wants to whip out. its over-correcting for the torque of the blades. in fwd. flight, its rock solid.

can any one help me out?

Thanks, Jeff B.
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05-03-2009 12:37 PM  10 years ago
kcordell

rrElite Veteran

O Fallon, MO

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Run the 520 in F3C mode. 3D mode will give you too hard of a stop and cause the whip back movements you are seeing.Team Synergy/Rail, Team Scorpion, YS Engines, VelTye
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05-03-2009 02:08 PM  10 years ago
pH7

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Sterling Heights, MI - USA

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Make sure that REVO is not enabled on the radio.
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05-04-2009 12:16 AM  10 years ago
EVO76

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New York , U.S.A.

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Thanks guys, I' ll check it out!
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05-04-2009 06:17 AM  10 years ago
GootyS

rrApprentice

Gauteng South Africa

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520
Does anyone know if this Gyro will work fine with a JR8900 and also a JR 9XII?
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05-04-2009 08:24 AM  10 years ago
Anthony.L

rrElite Veteran

Seattle, WA

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Does anyone know if this Gyro will work fine with a JR8900 and also a JR 9XII?
Yes, it will work just fine.
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05-04-2009 08:30 AM  10 years ago
GootyS

rrApprentice

Gauteng South Africa

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520
Awesome thanks Anthony :-) Sounds like Futaba has a winner here.
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05-04-2009 10:26 AM  10 years ago
nivlek

rrProfessor

Norfolk England

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I looked at a 520 a a model show on Saturday . I was tempeted , but I couldn't bring myself to pay £135 for something that would fit up one nostril . At the end of the day , it gets dark .
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05-04-2009 11:42 AM  10 years ago
w12martin

rrVeteran

Chengdu, Sichuan, China

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I had a chance to fly a Caliber 90 with GY520 and BLS251.
This gyro is AWESOME! It does exactly what you want. Stops are sharp!! and what caught my attention is the piro consistency!!
Simply OUTSTANDING
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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › anymore gy 520 reports would be great
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