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HomeAircraftHelicopterFlybarless Rotor Head SystemsbavarianDEMON › HC3-sx....does it work for you?
01-25-2012 01:51 AM  6 years agoPost 101
Tyler

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Chicagoland area

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splitter, 2 or 3 way.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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01-25-2012 01:52 AM  6 years agoPost 102
GetToDaChopper

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Las Vegas , NV

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the HeliCommand sends power to the spektrum/JR rx though the spektrum/JR cables that plug into both sides of the Helicommand

sooo power from the power source to the HeliCommand then power from the HeliCommand out to both spektrum/JR rx though the spektrum/JR cables and then every thing is happy....

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01-25-2012 02:20 AM  6 years agoPost 103
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

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How about if using a separate full size jr rx? Greg

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01-25-2012 02:23 AM  6 years agoPost 104
F1 Rocket

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Melbourne, Florida USA

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Please run the input power directly to the HC.
This is what is recommended and shown in the manual.

Danny

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01-25-2012 02:29 AM  6 years agoPost 105
GetToDaChopper

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Las Vegas , NV

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in that case it would beeee power from the power source to the HeliCommand then power from the HeliCommand to the separate full size jr rx though the rx connection cables (just two of three wires in the cables) and the signals from the separate full size jr rx gos back to the HeliCommand (one of three wires in the cables) and then everythings happy.....

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01-25-2012 02:32 AM  6 years agoPost 106
GetToDaChopper

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Las Vegas , NV

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Please run the input power directly to the HC.

This is what is recommended and shown in the manual.
thats what i've said in every post about power to the HeliCommand, ALWAYS power from power source to HeliCommand FIRST, i don't know how to be any clearer than that......

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01-25-2012 02:39 AM  6 years agoPost 107
F1 Rocket

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Melbourne, Florida USA

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How about if using a separate full size jr rx? Greg
If you are using an external power source like a receiver battery pack or BEC plug it into any of the open servo slots on the HC. The interface cable between the HC and receiver will provide power for the receiver.

If you are using the internal BEC from an ESC use a Y-connector with the signal wire pulled from the end that will go to the HC. If you are using a Kontronik Jive ESC you can use the slave port of the Jive to power the HC.

When use a Futaba S-Bus interface the S-Bus cable will provide power to the receiver.

Spektrum/JR satellite receivers are powered directly by the HC power bus.

Danny

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01-25-2012 02:44 AM  6 years agoPost 108
GetToDaChopper

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Las Vegas , NV

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with the exception of the Kontronik Jive ESC, i believe i've just covered all that danny but more info never hurts....... lol
If you are using the internal BEC from an ESC use a Y-connector with the signal wire pulled from the end that will go to the HC
i'm not quite clear about what your saying here, if your using the bec in the esc why would you have to pull the signal wire going to the HeliCommand ? how would the HeliCommand send the throttle signal to the esc then ???

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01-25-2012 02:49 AM  6 years agoPost 109
F1 Rocket

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Melbourne, Florida USA

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thats what i've said in every post about power to the HeliCommand, ALWAYS power from power source to HeliCommand FIRST, i don't know how to be any clearer than that......
Very clearHowever it cannot be overemphasized how important a good power supply is. Not just for the HC but all FBL systems. The high powered servos used with today's systems are very power hungry

Danny

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01-25-2012 02:56 AM  6 years agoPost 110
GetToDaChopper

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Las Vegas , NV

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thats for sure and if you are using very power hungry servos it would be best if you bring power into the HeliCommand in more than one spot, servo stall current is going to vary depending on many conditions, but a basic approximation is:

Standard servos= 0.6 amps
1/4 Scale servos= 1.6 amps
Hi Torque servos= 1.6 amps

or more !

and the maximum recommended continuous current on servo type plugs is around 5 amps each so more than one power input plug to the HeliCommand would not only be good but recommended.....

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01-25-2012 03:03 AM  6 years agoPost 111
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

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F1 rocket (danny) THANK you! That is what I was lloking for, how power goes to RX. Gettothechopper you have made that very clear, however, that is not what I was asking. Greg

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01-25-2012 03:10 AM  6 years agoPost 112
GetToDaChopper

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Las Vegas , NV

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i do believe what i said here.......
power from the power source to the HeliCommand then power from the HeliCommand to the separate full size jr rx though the rx connection cables (just two of three wires in the cables) and the signals from the separate full size jr rx gos back to the HeliCommand (one of three wires in the cables) and then everythings happy
covers what you asked and is the same thing that danny said here......
The interface cable between the HC and receiver will provide power for the receiver

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01-25-2012 03:14 AM  6 years agoPost 113
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

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Hmmm, you are correct, I missed that reply. The one where you stated you can't be anymore clear, only stated how power went in. That's one I saw. I understand now, thanks to you both! Greg

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01-25-2012 03:16 AM  6 years agoPost 114
GetToDaChopper

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Las Vegas , NV

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Noproblamo, i'm always happy when i can help !

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01-25-2012 03:25 AM  6 years agoPost 115
GetToDaChopper

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Las Vegas , NV

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Very clearHowever it cannot be overemphasized how important a good power supply is. Not just for the HC but all FBL systems. The high powered servos used with today's systems are very power hungry
oh and while we are talking about power supply if you've ever seen how the voltage will rise and fall from the bec built into most esc it would probably surprise most people and i'm unsure how that would or could effect all the fbl controllers out there ?

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01-25-2012 04:04 AM  6 years agoPost 116
Stephen Born

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USA

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oh and while we are talking about power supply if you've ever seen how the voltage will rise and fall from the bec built into most esc it would probably surprise most people and i'm unsure how that would or could effect all the fbl controllers out there ?
Interesting question. My CC 110 HV does not have a bec built in, so I am using an external bec. Is the voltage that big of a difference in an internal bec?

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01-25-2012 05:30 AM  6 years agoPost 117
GetToDaChopper

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Las Vegas , NV

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most esc internal bec voltage output is not as stable as it should be or as with most of the stand alone bec like my WR super mini, testing has shown me that even with high demands on the battery from the esc it's output stays right at 6.0 volts but if you use the free skookum data viewer and view peoples posted log files that they post at the other heli web site (ie hf) in the skookum forum you'll see wildly fluctuating voltage throughout there flight, what effect this might have on the different fbl units out there i'm unsure of but i would think it could do something that's not good for the fbl controller in some way ?

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01-25-2012 06:47 AM  6 years agoPost 118
rbort

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Franklin, MA - USA

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You guys
Are talking about all the high power from the servos but did anyone actually measure it when they fly to see what it is?

My helicommand is powered by the onboard power directly to it and then also my battery is directly to the receiver. This is how I normally fly. But one day I put in a Y harness and put those two power systems together and put them through a watts up meter and right into heli command.

I flew my gassers several short flights and checked the draw from my electronics on board. They were BLS 451 servos, helicommand unit, JR PCM 9 channel receiver, Futaba GV-1, BLS 251 on rudder all powered at a constant 5.4v.

Short hover flight, I'm at 1.5 amps peak.
Some low slow forward flight, around 2 amps.
Some loops and rolls up to 2.75 amps
Harder 3D with tic tocs and some other stuff as hard as I could do it I peaked it at 3.8 amps.

So from what the meter tells me, its not so drastically high power as one might think. OF COURSE I don't fly stick banger style like the pros, and I'm sure they can draw more, but the average pilot I think you're going to be under 4 amps or at least that's what I'm seeing with my setup.

-=>Raja.

MA 1005 Hanson 280, 4210 flts
Spectra 27 3DMax, 3288 flts
Whiplash V1-2 Hanson 300, 1570 flts
Whiplash V2 Hanson 300, 402 flts

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01-25-2012 06:51 AM  6 years agoPost 119
Tyler

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Chicagoland area

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Raja, I have recorded using 700 mah on an electric heli during a 6 minute flight. Three cyclic servos, one tail servo. Super power can be very thirsty.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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01-25-2012 11:47 AM  6 years agoPost 120
fastflyer20

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N. Tonawanda, NY

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One if the big issues is how many amps the jr/futaba connector can handle. From what I have read, 3 to 5 amps. If that is the case any big heli needs more than one power connector to the fbl/receiver. Lots of good ways to get power to those little connectors, lipo, life, generator, bec, regulator, etc. I like to keep it simple, makes wiring easier and anytime you eliminate a component, it decreases the chance of a failure.

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HomeAircraftHelicopterFlybarless Rotor Head SystemsbavarianDEMON › HC3-sx....does it work for you?
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