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    DJI WKM GPS failure

    It pays to check your motor screws now and then...... I did not see anything break.
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    S800 alternative props

    A bit like APM on steriods....Nah, far too much brain wanking.
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    S800 alternative props

    http://www.virtualrobotix.com/profiles/blogs/foxteam-present-last-update-on-vbrain-project-benchmark-of-arduco This is quite interesting
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    S800 alternative props

    As we try to make the S800 even better with different props, the improved stiffness of the arms is also well worth doing. The cheaper solution is to fill the webbing with something easier and cheaper than my original solution. A typical fiberglass repair kit such as Davids P 40 can do the job...
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    S800 alternative props

    East is least and west is best. OK you don't have to understand (1/2 ro V2) to get in the air but if you want to navigate from where you are and come back again. then you do need to know that the Magnetic North is not actually at the North Pole. Perhaps when DJI carry out their improvements they...
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    S800 ESC heat Dissipation?

    The shims are for tightening up the yaw response only. The heat from the ESC's should not be a problem with the latest V4's Mine get hardly warm.
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    Firmware bug in GPS Compass, notice from DJI

    DJI need to issue a test method to determine what one has. I have a old style unit that was repaired by them in june? I think that when you bought it is different from when they manufactured it. We need a photograph of two units with the case removed.
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    S800 alternative props

    I think that even when you have the right GPS unit. There is no point in taking public risks unless you are serious about doing this to earn money. A lot of testing first and a ops. routine that is as near risk free as you can get it. I think I did about a hundred flights with different set-ups...
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    S800 alternative props

    Boris I would just clean them with a small amount of alcohol. Products like Contact 400 for example must not be used anywhere near a PC board The highly conductive film will short everything including your processors. It is very difficult to remove once it soaks in. I would be more worried...
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    S800 alternative props

    This has been very costly for DJI so I hope they learn and make a data logger and a simulator that is not a part of Ace one or some other expensive kit.
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    S800 alternative props

    With 5.12 I had two models shut down and drop from the sky without the FOD both had the early GPS. First flight after upgrading from 5.08. One had 250 flights on it without any problems. This was not firmware it was a software problem.... Interestingly the Naza GPS looks like the bad WKM GPS I...
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    S800 alternative props

    Rob, I think we can now move fwd. to the next level of mechanical refinements to make it even better than it is. I doubt that it will be the universal cure for all maladies but having a solid base to work from is sure going to help. I recently had a bad V.sens unit supplied for my Naza, it was...
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    S800 alternative props

    Yes I am still flying it. I have done a lot of testing so I have to think it is safe but what I don't understand is why some are not safe at the moment. Based on the time in the air that was trouble free, I have to balance the possibilities against the probabilities and I made the decision that...
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    S800 alternative props

    The motors are not aware of what the other motors are doing or not doing, so they respond in the first instance to the primary movement which is a drop in altitude, the slowest response will be in yaw, which happens at the end because the motor 4 is not responding. Motor 1 will not slow down...
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    S800 alternative props

    It looks like motor No.4 lost power, it sank and then the opposite motors opened up to arrest the descent. It would be really useful if you could check the following. Are the capacitors still attached properly on motor 4 or 5 ESC's. Do you have a short to ground on the PWM or red wire. Check...
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    S800 alternative props

    Boris I hope you can help me with this theory. I think what happened then was that the pwm signal wire shorted into the carbon reinforced plastic arm. With any luck that arm is not broken so we can check it. I cant think of any other reason why this is occurring after a period of time. It...
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    S800 alternative props

    Poor Guy. There's a lot of damage there. I did see some white flashes. But even so it should never happen. I guess it was all the latest stuff.
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    S800 alternative props

    My gains are usually around the 170 mark. If I am flying fast then it's better in Manual but when I slow down and want to move slower in the turns I switch to Atti and if I want to hover and do a slow slow pan or a stills Pano sequence I go to GPS. I think it's really down to personal choice...
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    S800 alternative props

    I am using a standard Spectrum 2.4 with battery telemetry module. On the 1.3 I am using channel 7. The 1.3 is tucked away underneath the two carbon plates and the three spectrums are mounted high (2.5") on some insulation board. No line of sight contact. As the subject of high priced zoom...
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    Show what you filmed - Post Your Video Here

    I know that place well, (Beachy Head) There was a time when the police helicopter would recover two bodies a week. Sadly a daily inspection flight needed, after a week not much left after the crabs and the sea gulls have finished. Must be a lot of golf balls down there..... Nice job of filming it.
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