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I found good thread on this. http://fpvlab.com/forums/showthread.php?29139-Why-disconnect-redundant-power-from-esc-s-bec/page1 It seems that with switched BECs its much more of a problem and disconnecting the pins is definitely recommended. With Linear BECs the problem is less and given that...

Not sure its relevnt but from a bit of reading it seems that low dropout regulators will always draw some 'quiescent current' even with no load. Still, given that the advice is to pull the pin on the load side (fc end) I cant't see how this would stop the problem. It would still have power on...

I've seen some conflicting advice relating to ESCs with linear BECs and whether or not the + pin needs to be disconnected on all but one of ESC to FC connectors. My understanding is that this is only necessary with switched BECs and that linear BECs will happily work in parallel. I'm going to...

Now I've lured you in with the beer promise, I'm hoping someone can help me with a question ;) I've just bought and APM 2.6 board for a first build together with an FrSky X8R receiver. Most of the info I've seen online advises that I'll need to use an SBus to CPPM converter to connect the...

First build, parts ordered and en-route, I'm sure all you old-hands can remember the thrill of waiting for your first set of carefully selected and eagerly awaited parts to arrive. The sense of excitement mixed with the inevitable fear. Will it all end in tears? Who knows, but I'm about to...

Hi, and thanks for the reply. I went for the APM 2.6 Mega and the EMax MT2216s in the end. The motors are specced as 810KV and based on some 'real-life' tests I've seen they should each give upto 950g thrust with 1045 props with a max current of around 14-15 Amps. Based on that I'm hoping the...

Couple of concerns I have are: Compatibility of APM 2.6 and the X8R. Will I need an SBUS to CPPM converter or will the APM firmware update for SBUS that I've heard about solve the problem? Also, I've heard that some people have issues with X8R telemetry signal screwing with the GPS. Anyone...

Hi All, I'm looking at a first quad build and after doing a LOT of reading and researching I've learned enough to know how little I know :) Hopefully, other here with more experience can stop me making any balls-ups, so thanks in advance. Here;s what I've got on the parts list so far: Taranis...

Thanks for the info ringolong. I was considering using this http://www.ebay.co.uk/itm/APM2-6-ArduPilot-Mega-External-Compass-Flight-Controller-Ublox-NEO-6M-GPS-RC147-/131706903651?hash=item1eaa57dc63:g:pB4AAOSwL7VWowWE for my FC/GPS but I've read that some people have issues with the telemetry...

Hi all, I'm in the process of building a parts list for a quad and have a question relating to telemetry. I'm planning on using the Taranis X9D with the D8R ii plus receiver and wanted to check that this will give me telemetry capability. I also wanted to check what (if any) additional...