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HomeAircraftHelicopterRadio - Futaba FASST › Futaba HV setup connections for R6203/GY750.
04-18-2011 05:38 PM  7 years agoPost 1
jadams

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East coast USA

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I am wondering what will be the recommended method of connecting a 2S lipo to the R6203SB and the CGY750. I have the new Thunder power 2S receiver pack that has one futaba plug coming out of it. Will this be enough for the required amperage draw?

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04-19-2011 11:08 AM  7 years agoPost 2
Knud Pedersen

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Denmark - Europe

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Check this tropic
https://rc.runryder.com/t642078p1/

As written in that tropic:
I use the Perfect regulater Safe swicth Duo (version1)
Simply plug into any 2 Channels on your Rx (Rudder and Gryo Gain suggested), then connect those specific plugs onto the unit for either Direct Voltage (High Voltage setups), or Regulated 5.3v.
My rx gets the power through the Sbus cable.

http://www.perfectregulators.com/in...7&product_id=76

There is also an other version with with Golwpower option.
http://www.perfectregulators.com/in...7&product_id=84

ChopperKnud
Team Miniature Aircraft
ThePitchbrothers

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04-19-2011 02:20 PM  7 years agoPost 3
jadams

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East coast USA

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I should have stated for a HV system using futabas new servos. I want to eliminate the need for a regulator. I will just use 2 HD 22g Futaba leads soldered to an EC3 then connect it to the lipo.

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04-19-2011 04:20 PM  7 years agoPost 4
Skaluf

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Champaign, IL

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Just plug everything right into the receiver. Nothing else is required.

Steve

Steve Kaluf
Hobbico

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04-19-2011 06:14 PM  7 years agoPost 5
Dr.Ben

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Richmond, VA, USA

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You have two choices. You can plug both leads into the receiver, one into a batt slot and another into a free channel, or you can plug one into the receiver's battery slot and the other into the 750 via a Y connector off the throttle channel's slot. Electric pilots can plug directly into the 750 and run the throttle into the receiver directly if they aren't using the governor.

To do the latter most elegantly, I'd make up a splitter off half a Deans Ultra plug with the radio two leads to feed the receiver and 750. Use that as your switch by plugging into the other half of a Deans off the battery pack.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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04-19-2011 07:32 PM  7 years agoPost 6
Mike Fortin

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USA

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Although it's not 100% needed I would recommend a Heavy Duty On/Off switch as well when running a straight 2s system.

Have Rotors, Will Fly!

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04-19-2011 07:40 PM  7 years agoPost 7
rexxigpilot

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Florida

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I agree 100% with using a switch. Otherwise, the servo type power connectors will wear from plugging/unplugging over and over. This will make poor connections.

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04-19-2011 09:20 PM  7 years agoPost 8
jadams

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East coast USA

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what switch has either 14g wire or 2 22g HD wires out to the receiver? Most have 1 in, 1 out and a charge lead.

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04-20-2011 01:21 PM  7 years agoPost 9
Ts8103

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Baltimore, Maryland

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You can never go wrong with a failsafe switch. I agree that plugging the servo leads in over and over would cause wear and poor connections, but I have also lost a heli do to a bad switch. Failsafe switches for me all the way. Even if they fail, you still have power and it is the best of both worlds.
Tone

Team Outrage
YS engines
Switchglo
Baltimore Boyz

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04-20-2011 01:31 PM  7 years agoPost 10
ESWLFSE

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Liberty Hill, TX

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what switch has either 14g wire or 2 22g HD wires out to the receiver? Most have 1 in, 1 out and a charge lead.
Open the switch, solder on the heavy gauge input wires and deans, remove the charge lead, and add another 1 or two output leads.

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04-21-2011 12:03 AM  7 years agoPost 11
BisonFlyer

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Winter Garden, FL

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When using the new Futaba HV servos and a switch, all that is required is the use of an HD switch (like the standard Futaba HD switch) plugged into the RX. The RX will then power the the 750/Servos. The HV BLS servos have a very low amp draw (around 2amps continuous for all the servos in the heli) so the single lead from the switch provides more than enough current handling. So just plug ur 2s (preferably 2s2p ) lipo into the switch, and the switch into the RX and you are good to go.

If using other HV servos (8717, Outrage, etc) i've heard they have much higher amp draw so you'd want to consider two leads into the RX (one into the RX, one Y'd into the 750, for example).

Art Hughes
SAB Heli Division~Byron Fuels~Mikado V-Team~Scorpion~Pulse~Xpert Servo~Kontronik Drives

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04-21-2011 12:08 AM  7 years agoPost 12
ESWLFSE

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Liberty Hill, TX

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More the merrier...use every spare connection for power.

But if power is constant (servo load at the control surface) higher voltage = less current right?

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04-21-2011 01:10 AM  7 years agoPost 13
Dr.Ben

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Richmond, VA, USA

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Art's note about the new HV Futaba servos is important. They pull markedly less current than the standard BLS servos when the user has chosen to run the latter on 2S voltage.
I agree 100% with using a switch. Otherwise, the servo type power connectors will wear from plugging/unplugging over and over. This will make poor connections.
You wouldn't be using servo connectors for any such connection break/switch. You'd use either a Deans Ultra or EC3. They'll tolerate countless pluggings/unpluggings with no wear of the contacts.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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04-21-2011 02:21 AM  7 years agoPost 14
jadams

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East coast USA

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Thanks for the info. I should have my new BLS255HV servos soon and will run it as Art and Ben describe.

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04-21-2011 03:08 AM  7 years agoPost 15
RobMcQuillen

rrKey Veteran

Rochester, NY

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I used 20 G.A wire for my S.Bus cable, I just used one power source into my flybarless system. A lot of us have been running similar setups for a while. Another option is to create a harness with 2 male servo plugs on one end and a male deans on the other. Plug one of those into your receiver and the other into the 750 w/ a Y. Then just plug your pack into the harness for power. You could do that instead of having a switch. That way you aren't beating up your servo connectors, they can only take so much.

Rob

Rob McQuillen

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05-13-2011 06:21 PM  7 years agoPost 16
Reever45

rrNovice

Grand Junction, Co

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Building my Fury 55 now and going to be using the 8FGH/R6208SB & CGY750. Would like to run a LiFe or Lipo setup without a reg, but how to handle the tail servo. Any of the Futaba tail servos handle a unregulated LiFe pack? If not what is the easiest solution? a stepdown or?

Thx

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05-13-2011 07:56 PM  7 years agoPost 17
rstacy

rrElite Veteran

Rochester, NY

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The Align step down diode isn't practical as it only drops the voltage about .5 volts per unit.

I have been using the Western Robotics Titan Dual Step-Down Voltage Regulator with great results.

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05-14-2011 07:19 PM  7 years agoPost 18
jadams

rrKey Veteran

East coast USA

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Perfect regulator makes a tail servo regulator. Plugs inline between the servo wire and gyro

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