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Yes, you can put 6S straight into the PMU which will run the Naza and the Rx. I wouldn't worry about 5V for the GoPro - it has a great battery which will be onboard anyway so you may as well not pull the few electrons it takes to run it from your flight pack. My VTx runs at 12V so the BEC I have...

Definitely post that link when you find it - I need those!

Couple of things: yes, running RHCP on one VTx and LHCP on the other will help and it's free so definitely do that. You shouldn't have a problem with the EzUHF Rx but you are definitely going to want to put an inline low pass filter on the EzUHF Tx on the ground to protect your 2.4 GHz Rx's from...

I'm not sure where you can get he upgraded landing gear that you are referring to, but you can vastly improve the stock gear by drilling all the way through and buying longer bolts and some locking nuts. I agree though - the set screws are worthless.

Yes, exactly. It's always good to remember that these threads live on as reference sources for people so if you do go the relay route I think it would be great to post up your solution for others to follow if they want.

Just to round out the discussion: nobody is saying that a relay won't work, just asking: why bother? And the relay will spark - any electrical conductors brought into close contact and trying to pass high current will spark. The only way to stop a spark is a current-limiting resistor. If you do...

And they are even easier once the outer casings are screwed on.

At that very split second my anti-spark bullet places a 5 ohm resistor in series to massively reduce startup current and completely eliminate any sparking. Then I push the bullet fully together and the resistor is bypassed as the main current carrying part of the bullet mates. It's quick, easy...

Which is precisely why to take every measure you can to reduce the risks, including omitting redundant connections. When you add risk (connections) you really ought to have a good reason which takes me back to my question that you've never actually answered: what problem are you trying to solve?

Excellent - glad to be able to help. Ideally your gains should be set as high as possible without inducing quiver, so that means cranking them up till it starts to quiver then backing them off a bit till it stops and calling it done.

It sounds like your pitch and yaw basic gains might be too high. Can you connect the gains via the Naza Assistant to a knob or slider in the Spektrum? Sorry, I'm not familiar with that radio. The NAza Assistant allows you to assign the gains to either X1 or X2 and if you can get that assigned to...

Seriously - go for it: I'm very interested to know how it works. I went through the same thought process on my build before finally abandoning the idea.

Perhaps a good reason to minimize the number of solder joints? One way to do that is to omit redundant components - like relays. I'm actually really interested to see how that works out for you, but I'm afraid I've spent too much time trying to make missiles fly to ignore the KISS principle lightly.

Very true, but a multirotor is a high vibration environment. I'm sure a relay would be fine, but you must remember that you will still have a mechanical connection for your battery so you can take it off to recharge it. So, you are adding a redundant connection for the sake of a switch which may...

I am actually very unlikely to die if the ignition relay in my car fails, but 100% of multirotors that lose power in flight die. You seem to have made your mind up, so go for it and let us know how it works out. However, in the spirit of your request for advice and affirmation I will ask again...

A relay can fail open - a very bad idea when flying! Honestly, I think you are searching for a solution to a problem that just doesn't exist. Get a decent pair of bullet connectors and you are all set. Why add the cost, weight and potential failure point of a relay?

That switch looks a bit like a solution looking for a problem (and en expensive solution too!).

You'll get a pretty hefty spark from a switch. I would go for the AS150/XT150 bullet connectors instead - great connection, easy to disconnect and zero spark.

Well you know I approve ;-)

I get most of what I want through the iOSD mini. I added the Tiny Telemetry since that gives me actual battery energy used (in mAh) and also real-time GPS coords. I can view my location on Google maps in real-time, and I record the telemetry on a DVR so I can also play it back. That way on the...