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Using a servo driver for ESC control would provide accurate throttle positioning in milliseconds. The better drivers can be programmed to run above and below the typical 1000-2000 ms range to provide some flexibility. Futaba is one brand that requires such flexibility due to their operational...

Mounting the props under the boom would be akin to using a pusher configuration on a high drag airplane. Not as bad but having a similar effect. Efficiency with such an arrangement would be sacrificed if there were not also motors/props above to "cone" through the lower propeller arc. Sent...

Had some near roll overs when C/G was off center too much. Never had it after leaving a battery plugged in to long. As a rule I don't arm until ready to fly so I haven't experienced anything after arming and sitting awhile. Pixhawk works stellar with uBlox on a stick. Might want to check...

For Stitch first. Buddy, the implication was that Naza was that simple to operate. It doesn't take much to get that one going, but Naza is vastly limited compared to Pixhawk. You have to admit though, there have been a few idiots at the sticks with all of them. As for a Pixhawk tutorial...

Night and day. An idiot can fly Naza until something goes wrong. Same can be said for an RTF APM but at least with the APM one has the ability to customize as needed or desired. Sent from my iPhone using Tapatalk

Why add the weight of plugs at the outer end of the arms? Makes the entire system work harder and increases risks. I'd buy new tubes. Sent from my iPhone using Tapatalk

Doing the same thing over and over the same way expecting a different result might have a familiar ring to it. Time to move away from the brand or try doing things a different way. Sent from my iPhone using Tapatalk

The "test sites" are for large aeronautical corporations and for profit colleges to generate training and test flights to make money. Just look up who holds the COA associated with the test site. It's big commercial money all the way. Even the smaller colleges operations with COA's are...

My issues with an A2 seem to come down to a defective LED and compass. The LED was overcome with one from a Wookong but apparently the compass issue overcame the copter. If a maker is not checking the quality of parts then the rest of the unit cannot be expected to function correctly. Hope...

Can't wait for more info! Sent from my iPhone using Tapatalk

You can fly 6s and large props if flying very light but that bypasses the purpose of the larger props. Thrust and efficiency is the intended goal and as soon as props go smaller efficiency is sacrificed. One might say it's about "bragging rights" in marketing. The advertiser doesn't care if...

The video notes 8s, which supports my experiences. 8s is the minimum voltage one should attempt this with.

Where did I say it was impossible? I said few have been successful. Right now Foctech is marketing a unit that will be rife with destruction because few will understand the problems they will be faced with. Those that do understand, and are not afraid o delve deep into their electrical and...

ACP You are correct. FC's rely on generating extremely fast reaction from motor/prop combinations to provide stability correction inputs. I don't know the correct terminology but I'll throw out there the large diameter props, although generating more thrust, do not provide reactive forces...

The U8-170 and 28" prop combination will pull in the area of 28 amps at ~2500 full throttle Rpm using 6s. A Wookong FC will not provide stability n any one of wind. The A2 is worse than the Wookong. The system requires more voltage than a 6s system provides to work correctly. 8s will be a...

Try visiting www.towerhobbies.com. Browse their batteries and chargers. They may have a charger or a plug compatible with what you have. They are relatively inexpensive and fill orders quickly if the item is in stock. International shipping is not a problem for them. Sent from my iPhone...

If you go to balance their 27, 28, and 29" props give me a shout first. I want to watch.

If the FAA wins out with a ban on FPV and commercial MR applications Amazon stands to lose a lot of sales in numerous areas. Perhaps their actions are more directed at protecting their bank balances. It's good to see there are a few manufacturers that recognize they won't survive without...

If one considers that Sunny Sky makes a very large percentage of the motors that are re-branded and sold under other names, including Tiger, I'm guessing you probably have an isolated issue.

But they make light weight plastic ones;), lol.