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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  Vario 1/4 Hughes 500E
03-30-2012 10:08 AM  7 years ago
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kiwiheli

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NZ

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Vario 1/4 Hughes 500E
Well,it's finaly here, after a very long time contemplating if I should do a Hirobo ec 120b or the Vario Hughes, I've gone with the Hughes. Thanks Joe
Now the fun begins, So I will say sorry now for all the questions
I may ask you guys and I will. The set-up that I have will be,

4x Futaba 451 on the swash
1x " s9254 tail servo
1x Gyro futaba 401
12s lipo
Western robotics BEC 10-15A

motor = still looking but may go with the Xera or may go with the scorpion HK5035 410Kv or lower.
Also still thinking for the ESC but will have to be around the 120A. The Hughes with be a two blade head with 810mm blades.
thanks,
Nick

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03-30-2012 11:07 AM  7 years ago
TSK UK

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UK

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That does look impressive.Authorised UK Agent for TSK Helicopters
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03-30-2012 11:22 AM  7 years ago
Skytrek

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Suffolk, Va

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Very nice! Can't wait to see the build thread! What paint scheme you going to use?Barry London
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03-30-2012 02:09 PM  7 years ago
Hank79

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Brisbane, Australia

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Looks like it has a lot of potential. Are you modifying the skids to have dampeners on the ends so they compress under pressure so it sits right like the full size
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03-30-2012 03:11 PM  7 years ago
Mojave

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Palos Verdes, Ca. USA

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Very cool! Keep us posted on your progress. I have an xera 300kv motor for my benzin based lama kit, but I may opt for the xera 240kv motor that I have. They don't make the 240kv motor anymore. I also bought the side servo brackets and link rods that eliminate the front servo tray.
Edit: 400KV is too high for that gearing, I would use 300kv or lower. If you don't want to ante up $330 for the Xera, you can find AXI motors in the lower KV ratings with 8mm shafts for less money.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!
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03-30-2012 03:27 PM  7 years ago
coptercptn

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Mesa AZ. USA

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Why the two blade head? with all that detail and size, it screams for the 5 blade I'm thinkin you will need at least a 330kv, but more than likely (if you opt for the multi-blade) youo will need lower to swing those big blades...
I'm doing a 90 size and even running only 620's a 330kv "just" makes it...
Good luck with the build!! these are fun!!
Home of the "Sea Cobra".....
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03-30-2012 03:34 PM  7 years ago
Jag72

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South of Boston

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Heli
With all the time effort and money you're going to put into that thing I can't believe you'd want to use a gy401? and a 9254 tail servo..

I wouldn't consider anything less than a multi blade head using a vbar and a nice tail servo like a bls 251...

you're going to have thousands invested but want to use a $50 tail servo and $50 gyro

man...I hope not
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03-30-2012 04:03 PM  7 years ago
Hank79

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Brisbane, Australia

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The 401 is very good, they are used on 30k turbine heli's. The 401 I used was very reliable and worked well.
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03-30-2012 04:18 PM  7 years ago
Jag72

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South of Boston

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Gy 401
There's no doubt they are reliable and they "work" and you COULD use it on an expensive heli...but is that the best thing?

No....hey...you can use whatever you want ...just saying I personally would NEVER use a cheapo gyro on such a nice machine...

I guess it doesn't really matter for a scale ship...but I just wouldn't want to use anything but the best that's available today..

even the Spartan 760 is way better
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03-31-2012 04:07 AM  7 years ago
kiwiheli

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NZ

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This will be the paint scheme that I will be doing.
Coptercptn/ for me it all comes down to a buget, yes I agree that a 5 blade head would be outstanding but for now the bank said only a 2 blade head
Jag 72/ I've been doing a lot of research and heli-fatory and other guys do use the 401 on their heli's but it all comes down to money. Yes the GY611 would be nice but it's alot of playing around and setting up etc. I agree that the 9254 servo on the tail may not be the best choise I may change it, but the 401 gyro only excepts certain servo's. Thanks all for your feed back.

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03-31-2012 09:11 AM  7 years ago
spiderco

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Henderson, Nevada

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I like that paint scheme, its gonna look sharp.

The 401 will be plenty good as well as that servo. I don't think you'll be doing tic tocs with the 500. Hell you can probably use a piezo gyro.
fly til its dry
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04-01-2012 12:29 PM  7 years ago
Skytrek

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Suffolk, Va

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I like it,,,,,,,, different than most police MD500's I've seen and the white lines should help with proportion. Might try Callie Graphics, awesome people and great prices. In this case you might only need to lay down the blue and let Callie do the rest!

As far as the 401 go's, I've had quiet a few and never an issue that did not turn out to be something else. Not to long ago the 401 was the latest & greatest and you found them on very expensive helis. However, there are more precise Gyro's available today that could assist with things like vibration and scale birds are known for, vibration creating tail wag. Having said that, we are talking scale flight not 3d. Because you have the 401 and matching servo, I'd give it a try. If your build creates a nice tight heli and you like the 401, go with it. If you have issues, rip it off and try something else. Just my 2 cents.

Now get to work!! LOL

Oh and post updates of course!
Barry London
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04-02-2012 03:00 AM  7 years ago
Wayne Parrish

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Apex,NC,USA

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Someone just thinks that money is the final deteminer of how good something is.The 401 is as good a gyro as you could ever buy for this machine ! After all,he's not going to be doing 3-D work or even needing heading hold !! WP
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04-02-2012 07:25 AM  7 years ago
Scott99

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Nelson, New Zealand

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gyro
Yes agreed, something I would like to point out also that seems to get overlooked on the subject of gyros, is that there is very often much said about various gyros good/bad etc where the servo that they drive is more often the thing that is not discussed with regard to appropriate application and needs to be paid attention to - gyros are less likely to fail than an under rated tail servo for a given application.

That said, as good a servo as a 9254 is, it is not wise on a large scale heli as the torque rating is relatively low.

The 401 will drive several other higher torque servos better suited to the higher loading of a large scale heli.......and obviously if moving to a multi set up then there will be further increased loading.

The GY401 will work very well with many good servo choices available now that have both high torque and high speed.

The "delay" on the 401 can also be used to better match the output signal with a slightly slower servo (than the 9254) if necessary, as tail rotor servo speed on a scale heli is not so crucial

Kiwiheli, can I suggest an align DS620 and invite comment from anyone on this possible suggestion?
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04-02-2012 02:05 PM  7 years ago
Wayne Parrish

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Apex,NC,USA

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I've been flying fut 9206 servos,w/a 401 , on the tail and cyclic of my Vario Bell 47 G3 1/4 scale for over three years now. I have had no problem and the servo has great power and the speed is more than adequate. I also run the 401 in rate mode as the heading hold will wipe the tail servo quicker,according to Joe Howard . That advice from Joe has been true so and appreciated. WP
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04-02-2012 03:24 PM  7 years ago
doorman

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Sherwood, Arkansas

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401 Gyro......
^ PLUS ONE!!!!!!
I have used the 401 for years on all my scale helis with no problems what so ever... In fact, the only ones that do not have a 401 on them are the ones that I am running a stabi system in for the multi blade heads...
I agree 100% with the above posts except the one about using an "inexpensive" gyro...the 401 was/still is a top of the line gyro and it will work well for you by just changing out the servo..
The 9254 doesn't have enough power for the tail on this size bird.. I would want at a minimum 80oz+++ and the speed can be .15( and I have used slower)on a scale heli, you need the power more then speed..
Also, don't be afraid of using rate mode as Wayne suggests.. my set up is HH for normal mode, but switches to rate when the flight mode switch is in idle up 2.. no fighting the tail through those nice big smooth scale turns!!!!!
Good Luck with your build... Stan
AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft
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04-02-2012 09:02 PM  7 years ago
Scott99

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Nelson, New Zealand

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Digital / Analogue
One of the features of the 401 also is its ability to drive both digital or analogue servos (like the analogue 9206) via the switch on the case.
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04-02-2012 09:15 PM  7 years ago
Wayne Parrish

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Apex,NC,USA

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YEP, and the 9206 and 401 is just a nice hardy/dependable setup !
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04-03-2012 01:00 AM  7 years ago
VKGT

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Sanford, NC

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Can't wait to watch the progress. Very nice Heli!
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04-03-2012 01:29 AM  7 years ago
Rodan

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Prescott Valley, AZ

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Nice! I'm partway through this build myself.

The 410kV Scorpion gives something like 1500 on the head on 12S with stock gearing. Waay too high. 270kV is perfect with stock gearing for a 5 blade head (~1000). I'm using the Scorpion 5035-410, but I'm planning on a 60T driven gear (still working out exactly which one).

And there's nothing wrong with a 401... may not be the latest and greatest for the stick bangers, but at one time it was, and it's just fine for scale.
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HomeScale✈️AircraftScale HeliScale Helicopter Main Discussion Docs  Vario 1/4 Hughes 500E
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