Comment by Denny Rowland on October 14, 2011 at 7:57am

This type of airframe creates low pressure above and higher pressure below. 

Comment by Denny Rowland on October 14, 2011 at 8:03am

The high mass beam floats on about 2" of open cell foam rubber. This isolates the mount from vibration and also provides an important base that will not move as a result of opposite reaction from the mount servos.

Comment by I.S. on October 14, 2011 at 8:35am

@Denny what props are you using and what is the M2M distance?

Comment by Denny Rowland on October 14, 2011 at 9:31am

@ I.S.

37 " Some things are changed since that picture. Battery is now one single 5800 ma. and further back. props. are now 13.5 x3.5 carbon and they are swept forward. Would be too dangerous outside of those shrouds .Weight is now closer to 5 Kilos depending on ancillaries. My multipilot 32 system was a lot heavier than the DJI.

 

 

A good prop. is the 14x4 xoar wood.

Comment by Denny Rowland on October 14, 2011 at 9:41am

Although I am now using DJI I must say that AC 2.0.x is fast becoming a real player in the heavy lift AP stakes and I have set aside a machine just for the purpose of testing each and every release as it comes along.

Comment by Owen Booth on October 14, 2011 at 6:23pm

In the 8 months since I bought my AC2, the updates that the community, and especially Jason Short, Michael Oborne, and the rest of the core team etc have uploaded, have taken this craft from a skitterish novelty item, to a comparatively smooth, reliable platform. I wouldn't of mounted my GoPro HD on it if I thought it would let me down. Mikrocopter make some very flash kit, but at five times the price. In addition, the MK flies out of the box, which might suit a customer who needs it to just work, but the AC project gives everybody the opportunity to participate in it's developement, something which has provided me, and thousands of others, with hundreds of hours of imaginative entertainment. Keep up the fantastic work y'all!

Comment by Fouad on October 15, 2011 at 12:42pm

@Owen, Well said , couldn't express it better.

Good luck for all.

Comment by Greg on October 15, 2011 at 4:09pm

Eduardo I think there is some validity in your comments, but at the same time the arducopter is more an open community development platform and lots of potential moving forward. I agree the Altitude precision is limited at the moment. Many people experience height fluctuations and this seems to be more related to the baro than the sonar provided the correct postion and noise filtering are used. I have the recommended pad on the baro, and the on board sensor filters enabled but this makes little difference. There is no further adjustment on the baro beyond this that I am aware of My feeling is an updated sensor array is needed which would include replacing the baro or having a stand alone baro with better precision. It is interesting MK can get so much precision out of their baro alone. Also the arducopter is designed as an automonous vehicle capable of complex mission profiles as opposed to a professional filming platform. I am very interested now in trying different control electronics now from your post. I certainly would like something that can hold a precice position at a fixed altitude rather than circling and moving up and down. Right now even in a slight breeze I have to fully focus on keeping my copter in the air. It wobbles when there is a slight variation in wind and on decent with the latest code. This is a standard design arducopter not custom. Of course I like a challenge and its fun sorting out issues and I learn more each week. In my case I still need to tune the arducopter obviously but I wonder about the design limits like any new development.

Comment by Anis Nielsen on October 16, 2011 at 3:55pm

@Owen , as Fouad said, couldn't have said it better either

 

i'll just add that with that circle nose in mode, AND that latest entry in the feature request about flight reflight with cam position replay and i am sure Ardu will definitely have its place if not the first place in videographer's favourite s

 

So keep up the good job dear devs , and gogogo everyone, bring up your thoughts and experience, its something we all will mutualy benefit from

Comment by Denny Rowland on October 16, 2011 at 10:51pm

I believe the pressure sensor in the Wookong M is the same as in MK, both deliver outstanding alt. hold but Wookong is unbelievably good. I think we need one of those. 

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