AceOne is DJI's best RC Helicopter AutoPilot with GPS - for RC Pilots wanting very smooth and deliberate handling (Not for Multicopters - see WookongM/NAZA/PARIS). This item is specific to Aerial Photographers* wishing to conduct TRex600 or Trex700 size Aerial camera platform operations with military GPS/INS precision level of hover (or for large scale RC Helicopter Pilots to fly on rails all the time) The CPU IMU features a Gyro/Acc/Baro/Compass/GPS combination and is suitable for pilots/Controllers who require near-automated levels of altitude/height lock control and GPS return to home function - it has very good altitude algorithms. AceOne offers superior Resolution to Wookong H and a high resistance to rotor motor vibration (Has the Cubic mass inertia design of the IMU) and has advanced navigation such as return to home GPS standard ; AceOne is upgradable to Waypoint Navigation and datalink (not included additional cost). Perfect for commercial photographers* who dont have a lot flight time in RC and still want the smoothest possible standard of flight for photographic results. AceOne flies like a proPilot even in the hands of a low time pilot. Still requires the pilot have the skill to fly manually in the event it is required for safety.
Important AVIATION FACT: GPS is a navigation-aid which can reduce pilot workload and allow the pilot to conduct secondary duties like AP - Any Pilot must be competant in the FIRST INSTANCE to fly in both Attitude-LEVEL-mode(Atti) and also in Full manual mode - before ever activating GPS. In the event of a GPS anomoly, or any issue the pilot abserves to be unusual - that pilot would/must immediately revert to ATTi mode - or even MANUAL mode if required to resume FULL control of the aircraft by direct pilot control. GPS Return to home is not a primary means of control - the primary means of control is the PILOT's skill to infact fly the aircraft himself by Line-of-sight LOS back home if needed. Never fly in GPS mode if you are a beginner or in fact dependant on an auto-pilot assist system like RTH or position-hold - You must have the skill to hover and return home in full manual if required to do so. so in the initial phase of training and set-up FIRST become skilled at flying in MANUAL & ATTi modes - then you are ready for assist modes like GPS Nav, GPS position hold and GPS return to home RTH - within LOS.
This item DJI AceOne ships FREE by Fedex/DHL worldwide - eParcel Express in AU - within 4-5 days of payment. DJI AceOne Ships in Australia by ePARCEL Express FREE signature delivery. Contact us to discuss valuation reqmnt's
Notes - Known issues/considerations/problems - with DJI AceOne in Australia
GPS LOCK/MAG and drop out of GPS mode - March 2012 - there is currently an issue in AceOne software bug reported in southern Hemisphere countries - where it can randomly drop from GPS mode back to ATTi mode - giving either 1 red flash or three red flashes - buyers are advised to consider this issue before buying in relation to your user expectation. We are working with DJI China to resolve the bug - details will be posted here when the issue is resolved.
As the AU distributor for DJI aceOne we are the ones who have invited DJI out to work on the software on the ground in AU with us and find the bug which currently causes drop outs on some flight. Bearing in mind that the number of Sats in the sky changes minute by minute from 6-10 - We dont always see this bug on a well set up Multicopter but we do experience random drop outs of GPS (red flashes) in AU - by this I mean it will go from Zero red flashes - to three red flashes while hovering smoothly in the take off zone - in clear vision of 8 sats and on other flights (new battery but same day) it will complete the flight with no red flashes - So we pretty well know there is a bug, most likely in code related to Southern Hemisphere.
The feedback we need from Users please (or anybody else) is Cause or causal factors which either reduce or increase drop outs - this will help engineers zero in on the location of the bug in their code. They dont see this issue in CN and rely on user feedback to isolate it.
We at MultiWiiCopter.com recommend the following to minimise these drop outs from GPS Nav -> ATTi mode
For AceOne users the Ace device has a full data log which can be saved out to PC and send it to us - this .dat file contains a lot of engineering data about the cause of the drop out - ie only 6 sats in view due to obstacles or CPU overflow or calibration issue etc... For any flights where the GPS/MAG drops offline - please send as the Datalog files rom AceOne
23 April 2012 - UPDATE - DJI have analysed the AceOne WayPoint data logs we sent them today 23/4/12 and also reviewed all feedback about the issue and are sending an interim set of hardware (GPS/MAG pods) variations to us (MultiWiiCopter.com) to flight-test and generate new data - ETA for revised prototype hardware for further testing is ~30th April - at our office.
2 May 2012 - UPDATE - GPS/MAG Pods variations arrived in AU
4th May - All wookong M tests are positive lock - prototype GPS functions are positive and lock is positive. no drop outs noted test reslt forwarded
30May 2012 - UPDATE - 2nd round of tests commencing with v2 prototypes GPS/MAG pods on Wookong M - test data from these will intergrate with the AceOne solution once know.
*In AU - All Commercial Aerial Photography requires an Operators Certificate OC, a Senior Controller SC and a Certified Controllers Certificate in AU. You must have all three approval OC, SC and CC. See CASA Part 101
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