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indeed! hence I think we ought to focus on the meaningful bits and divide by the common denominator. Any modern controller can give excellent results, build quality and design are the differentiating factors. Especially for this one since you can use your choice of controller. I'm still not...

From Basecam: Generally, because the controller knows empirically where the motors have stepped to, it needs less energy and effort to do its work. All things being equal, you will have a more stable unit for less power.

I have to admit I have not yet worked on camera stabilizer hardware/firmware, but I have been around commercial avionics and the GPS for quite awhile. It's not clear to me how having a lat/lon/alt from GPS would help level horizon. I can see it potentially playing into the formula to a moderate...

use whatever connector you like. PowerLab 6/8 come with EC5 on the supply end, so just use that, then on the battery charging end, just use whatever happens to be on your batteries if you don't have a preference. Batteries these days tend to have XT60 (up to 4S) or XT90 (6+S). I put PowerPoles...

OK fellas, I learned to fly line of sight using a 250 quad. I decided today to see if I could pull off basic FPV flying, instead of handing the kids the display. Wow! I can see this working on a larger craft with rock-solid alt hold and all that. But with mine, I must keep tweaking throttle to...

@tombrown1 I can't imagine DJI has some sort of magic proprietary secret sauce in the algorithms used by whoever developed the controller they are using. As an engineer I'd certainly not minimize the complexity of these control systems but the essentials of all these controllers and their...

another thing on the 240V - they certainly will be happy powered by 240V and there's no reason you couldn't start with just one since it will give you all the power you need right now. You can always grab another in the future.

Here is a sample setup process for the HP supply, you will find bunches of these on eBay for around $25/ea, maybe even local to you: http://www.rchelination.com/setting-hp-dps-1200fb-power-supply/ The key is "floating" the ground on one of the supplies, but keeping the AC/DC ground on the...

what about something simple like your compass orientation? anything get bonked while you were setting up the radio, etc.? Keep in mind the orientation of the pixhawk as well as the GPS/compass unit are meaningful to the offsets. Check it in Mission Planner to see if it's true.

Let's say you're charging 2 of those 4500mah 6S batteries in parallel (using MPA or a ParaBoard, be sure to get the connectors you need, and if you get a ParaBoard since it has more connector flexibility, make sure to get a balance adapter to go between the FMA balance plug on the charger, and...

keep in mind wire gauge is generally a factor of how much current will be occupying the wires. 6S batteries typically are wired with 10ga. And rightfully so, current for the "whole system" will be flowing there. But power to an ESC is only the current for that single unit, a fraction of the...

The opportune question for you is, what cell count and what capacity batteries do you intend to charge now and in the foreseeable future? If you can answer that question it will be very easy for me to help you pick a power supply. They are giving several voltage/current values since a given...

For your charger, I got on just fine for awhile with a Traxxas 6amp charger (which is quite similar to a lot of inexpensive "4 button" chargers) we happened to have for RC trucks. It's AC/DC so it does not require a separate power supply. It's best fit for charging 2-4S lipos at 1-2C. I use...

haha! true.

hehe yeah I'm becoming quite obsessive about this motor mounting business after almost blowing $300+ on the prospect. The ones I got are described as "For bigger size motors (50mm diameter) 16x19mm, 19x25mm, 25x25mm screw mount holes." (3520 motors have both 25mm and 32mm mounting radii) also...

the idea is that it allows me to use the 4 holes/standoffs I have instead of having to drill 4 additional holes to allow for individual clamps that have 2 screw points each. It would be tricky to put the heads somewhere that would clear the folding arms. The 4 heads that retain the standoffs...

This one at Multirotormania is the best one I have found. It gets nice and tight thanks to set screws and part tolerances. Plus, the price is good and it ships from the US.

@Motopreserve I had a thought. What if I used 2 pieces straight aluminum bar and just bolted regular 12mm nylon tube clamps to that? Then each straight bar would bind 2 standoffs to the frame, adding stiffness so I wouldn't have to drill an additional hole into the frame. Since the gimbal...

I talked with Pawel at QuadFrame, and Quadrocopter were awesome about canceling the order (BTW they make their CF parts in Montana, which is pretty awesome, so I'll definitely be ordering parts from them in the future for various projects). I am going to be using the QuadFrame V2 Motor Mount...

Maybe that's precisely what I'm missing! I checked the list of QuadFrame motor mounts and only saw one listed for 25mm tube, so I assumed it was identical to what I have. But it must not be! I will write Pawel to ask the diameter of the center hole on these mounts vs. what I have from the...