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600 PRO Class Electric Helicopters 600 PRO Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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02-05-2015, 02:31 AM | #1 (permalink) |
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Join Date: Sep 2013
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Separate Receiver (RX) Battery Pack for Gpro
Hi,
Can someone help or point me in the right direction. I can't seem to find an answer. I have a trex 600L dominator and I want to run a separate 2 cell lipo battery for the align gpro v1.2. I have the servos, 2 spektrum dsmx satellites and ESC connected but have not powered anything up yet. The separate battery has an xt60 connector and I don't want to run an external bec if I don't have to. Will I overpower the gpro if I connect both the ESC wires (which i believe includes power already) and also plug a charged 2 cell lipo as well into the battery port? I was going to cut off the xt60 connector and solder a JR style plug to go in the batt port. Also can I confirm that I don't need an external bec? The gpro can take voltage up to 8.4 volts it says so a 2 cell should be fine right? In the past with my blade 450 and other small planes I have always just run the ESC into the receiver but with a big bird like the 600 i feel safer with a separate pack. |
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02-05-2015, 06:28 AM | #2 (permalink) |
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Join Date: Nov 2013
Location: Aberdeen, UK
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The ESC is 'OPTO' so it has no internal BEC, so you dont need to worry about any 'conflict' between the BEC and the LiPo.
You want to keep the XT60 and make up a harness that has a mating XT60 one end and TWO JR type servo plugs the other. The two plugs go to the 'battery' and 'bind' connections on the G-Pro (the two connections placed on their side below the servo connection pind). It's important to have two plugs because each plug is only rated for around 5 amps.
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Gob 700 BT 'T' | SoXos Strike 7.1 | Henseleit TDR, TDF, TDSF & TDR2 | OMP M1&M2 | UK stockist for OMPHobby M1/M2 ScotiaRC.co.uk |
02-06-2015, 07:20 AM | #3 (permalink) |
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Thread Starter
Join Date: Sep 2013
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Thanks. That makes total sense now.
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02-07-2015, 07:01 AM | #4 (permalink) |
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Thread Starter
Join Date: Sep 2013
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Actually Im looking at the ports and Im assuming you mean plug the second JR connector into the XBUS/SBUS port which acts like a second batt connector since im suing satellites in my setup?
Correct? |
02-08-2015, 02:05 PM | #5 (permalink) |
Registered Users
Join Date: Nov 2013
Location: Aberdeen, UK
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Yes, correct.
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Gob 700 BT 'T' | SoXos Strike 7.1 | Henseleit TDR, TDF, TDSF & TDR2 | OMP M1&M2 | UK stockist for OMPHobby M1/M2 ScotiaRC.co.uk |
07-19-2015, 04:12 PM | #6 (permalink) |
Registered Users
Join Date: Dec 2014
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what about when u have a futaba receiver and you plan to use the xbus/ sbus pind on gpro for connection to receiver?
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07-19-2015, 09:29 PM | #7 (permalink) |
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Join Date: Jan 2015
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In that case, one JR lead plugs in the Gpro and the other JR lead plugs into the Futaba RX Battery port.
Then the SBUS cable brings over the signal and power feed into the Gpro's secondary port. So there's still two power leads going into the Gpro. The SBUS has power. |
07-29-2015, 05:10 PM | #9 (permalink) | |
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Join Date: Dec 2014
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Quote:
no offence meant. just want to make sure |
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07-29-2015, 06:13 PM | #10 (permalink) |
Registered Users
Join Date: Jan 2015
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Lol. None taken. I was pretty nervous about it too. I couldn't give you reference to the documentation. But we've all been flying it for quite awhile now. I had to ask others many months ago when I was building mine. I couldn't find it in the manuals either.
There's no other way on earth it would work. And it certainly does work. I guarantee you its the right way to do it. The entire reason they made two leads in the first place.. was for 1. FBL and 2. RX So that covers the two leads. Then the SBUS is advertised to carry both power and signal all in one magical cable. So that covers the SBUS bringing over the power. Then the Gpro is designed to support two power inputs simultaneously. Its right because it makes sense and its right because its worked this long. FWIW, I'm a manual kinda guy myself... by the book. But I couldn't find a diagram of it. |
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