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05-11-2011 08:07 PM  7 years agoPost 1
Solmanbandit

rrElite Veteran

Tucson , AZ

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I haven't used the 401 on anything, so I don't know how capable it is. I am going to use it on my 600 until I can get another GY520. So my question is, how capable is it or lacking? I fly fairly aggressive and I don't want to do anything that the gyro isn't capable of. Mainly what I am looking for is flying backwards and tail slides. You can use the GY520 as a comparison due to using one for a while on my 450 Pro.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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05-11-2011 08:13 PM  7 years agoPost 2
jackheli

rrProfessor

Vancouver - Canada

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From my experience it is a very capable gyro, provided you use a top rated tail servo.

It's been a while since I last used one but the only downside to it was that the piro-rate wasn't quite constant.

Having said that, you won't feel it as solid a 520.

May I suggest you put the 520 on the 600 machine and the 401 on the 450?

It's easy to find an excuse to do wrong. Hard is not to find an excuse to do right.

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05-11-2011 09:09 PM  7 years agoPost 3
JOLT

rrVeteran

Baltimore, MD

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I have had a couple. The GY401 is kind of "Old Faithful". IMHO it will be ok for what you are asking, but it will blow out with hard 3-D. I would fly it, just because I like to fly, regardless of style.

With that said, I would definitly get another GY520 when you can.

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05-11-2011 09:22 PM  7 years agoPost 4
BarracudaHockey

rrMaster

Jacksonville FL

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I've not had a properly setup 401 "blow out", they are quite capable of hurricanes and tail slides etc.

Where they suffer compared to a 611 or 520 is piro consistency when fighting and being pushed by the wind.

Andy
AMA 77227
http://www.jaxrc.com

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05-11-2011 09:29 PM  7 years agoPost 5
Optech

rrKey Veteran

San Diego, CA.

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The 401 was/is a good, reliable, very capable gyro for a long time and was the first really practical, easy to use, heading hold gyro. It was the gyro to have and that everything else in its price/feature range was compared to. Alot of flyers will never fly beyond its capability. I would not hesitate to use it and still have a couple myself.

I agree with the other poster though. It'll be better, i.e. its limitations will be less noticeable, on the 450.

Mike

Viva La Airtronics!

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05-12-2011 02:23 AM  7 years agoPost 6
Solmanbandit

rrElite Veteran

Tucson , AZ

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Thanks for the comments. I really don't want to take the 520 off the 450. I have it set up perfect and don't want to mess with that. The 401 on the 600 will be there for temporary.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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05-12-2011 06:38 AM  7 years agoPost 7
jackheli

rrProfessor

Vancouver - Canada

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If you switch them over you won't need to buy another 520.
Just my opinion.

Never had a 401 blow-out either.

It's easy to find an excuse to do wrong. Hard is not to find an excuse to do right.

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05-12-2011 04:42 PM  7 years agoPost 8
xxlrg

rrNovice

Navasota,TX-USA

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Well I had one on my 600n for a while. I had to mount it on the back behind the main shaft cuz it didnt like being on top of my cyclic servos.

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05-12-2011 07:03 PM  7 years agoPost 9
Rogman88

rrElite Veteran

West Monroe, LA

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I had a 401 blow out once doing a tail slide into a backwards loop. It had an anolog 9257 on the tail. Flew regular flight fine, but that one did in the heli.

High Voltage just works better

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05-12-2011 07:12 PM  7 years agoPost 10
Jeff polisena

rrElite Veteran

westpalmbeachflorida usa

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401 is rock solid on a good setup heli,if motor bogs or not setup or tuned correctly it will blow out .If you have 401 it will let you know that you need more practice on flying or setup.

I stole it ,flew it and gave it back ;)

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05-12-2011 09:20 PM  7 years agoPost 11
BladeStrikes

rrElite Veteran

Shelby TWP,Mi

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Good collective management,no bogging and the GY401 will blow out the harder you fly it.Just depend's on your flying level..The gyro is old school but still work's well..

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05-13-2011 07:09 AM  7 years agoPost 12
Solmanbandit

rrElite Veteran

Tucson , AZ

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Thanks guys, got the info.
It had an anolog 9257 on the tail.
9257 is a digital servo.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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05-13-2011 09:22 PM  7 years agoPost 13
MANCHA

rrVeteran

Cabo San Lucas, Baja- Mexico

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It is a great spare gyro.
Use it while you save for a 520.
And yes.... You keep enjoying your 450 as it is,
The very first time I replaced a 401 was on a 450 plus a CF main blades gave me a very different and enjoyable heli.

I still have 2 401, one as a spare and the other for a scale future proyect. They are good gyros but limited.

MANCHA

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05-13-2011 09:23 PM  7 years agoPost 14
jackheli

rrProfessor

Vancouver - Canada

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Pretty sure the enjoyment came mostly from replacing the woodies with CFs...

With a properly setup 401 it would be very hard to distinguish it from a 520 on a 450. Just MO.

It's easy to find an excuse to do wrong. Hard is not to find an excuse to do right.

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05-13-2011 10:21 PM  7 years agoPost 15
BladeStrikes

rrElite Veteran

Shelby TWP,Mi

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You can hover,piro the tail left/right and know which one is a GY401 or GY520.The GY401 isn't consistant at all so it's very easy to know which is which,even on a 250/450 size heli.It also whip's in wind or forward flight.It's a ok gyro but not even close to the newer one's...

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05-14-2011 12:00 AM  7 years agoPost 16
MANCHA

rrVeteran

Cabo San Lucas, Baja- Mexico

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401 does not turn at the same speed to the right than to the left when windy ( from lazy eights or stall turn to you name it ).
It does not matter if in a 450 or a 600 or a 700.

MANCHA

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