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Atti Mode also holds altitude, GPS mode will hold the aircraft in place when there are no stick inputs. There are other modes within GPS like orientation lock, or "intelligent" orientation lock, this mode makes it so you "can't loss orientation."

Ah yes I see what you are saying. thanks for the explanation. I think (hope) the next break through in batteries will be a game changer for not only consumer electronics and drones but the species. The main thing holding back alternative energy now is transportation and storage.

Ya I because replacing the anode cathode is a lot like replacing the whole battery, don't understand where the old ones go, if they corrode away before repacing them how would the battery be supplying power.

Ok, read it. I guess I don't fully understand the concept of replacing a batteries anode and cathode.

True these batteries will recharge super quick, but most the stuff I have read about these has been in regards to cell phones and laptops. So these batteries have different power requirements. I think charging 10-20 amh batteries might be more then a pit stop, but who knows. Assuming these...

Posted in the DJI thread but figured I'd try here, I have a gig tomorrow and I need to fly someone else's inspire. I don't know what their battery situation is and would like to provide backups. Anyone in the PHL/ NYC area have an inspire that would be willing to rent out your batteries...

I have a gig tomorrow where someone needs me to fly their inspire 1. I'm not sure what their battery situation is an would love to come with some back ups. If anyone lives in the greater NYC area, or Philly area who owns one of these and would be willing to rent some of your kit out let me know...

I wouldn't recommend FPV goggles, if anything goes wrong they become a blind fold. I only fly manual or Atti because I've had time GPS has started acting up. But its preference. What is important is you learn to fly all the modes, or at the very least be proficient in atti in all orientations.

Ya, I think a lot of this stuff will come down to really slight differences in efficiency but I'm excited to test. I read an interesting article about wind turbines and why they have 3 blades, Check out the link. http://www.theguardian.com/theguardian/2011/sep/06/why-wind-turbines-three-blades

Ya but you additionally have more drag. In traditional heli it means more responsiveness and more lift per disk radius. Sometimes you need that because at a certain speed you loss lift at the tips which are spinning faster. So you can get more lift with shorter blades and lower head speed. I...

Oh I see. I assumed more load from increased drag. 3 blades is less efficient but has more lift? Is this correct. That's my understanding from CP heli setups.

I'd be interested to learn the best way to find out the amp draw and thrust by adding one more blade to the mix. Multiply by .33?

Totally agree with both these last post. The reason the movi is so good for me is that I can rent it rather then buy. Can't do that with any other gimbal.

Well at NAB no one at the booth (when i was there) really knew how the gimbals worked to compensate roll drift, but one of there larger models did have a gps puck. There was also a Canadian pilot who was working the booth that had used it and said it didn't roll in his experience.

When I looked at the Gremsy at NAB it looks like pore build quality. It has GPS, but the mounting and balancing screws did not look good for long term repeated use. The Besteady 4 looks really awesome, no gps but multiple IMUs on different axis that help correct for roll errors. The black magic...