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Cambrian Rally Press Day 2013 Empty2019-07-12, 18:53 by Rich

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Saturday 7/7/18

2018-07-07, 21:07 by Gary M Jones

I was at the field today between 14:00 & 15:00 all on my own , good flying too. There is a dead sheep along the fence line towards the gate from the pits, I saw the farmer so reported this to her. I hope no one had plans for a BBQ Smile .

Farmer …

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Cambrian Rally Press Day 2013

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Post by Zaidy on 2013-10-16, 11:59

Here is the footage of the Cambrian Rally press day.  The conditions were a bit challenging as it was blowing a good 20 +  mph. Remember to watch it in HD



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Post by melfyn on 2013-10-16, 12:28

Another stunning video Zaid, nice one.
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Post by Zaidy on 2013-10-16, 12:31

Thanks Mel, working towards hanging my fins up !!

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Post by Guest on 2013-10-16, 18:04

Great vid that zaidy I can see a successful business and also an exciting one starting up soon Very Happy 

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Post by Allan Patrick on 2013-10-16, 19:01

Very good Zaid Very Happy 

I like the panning you're doing. A thought - could you program in some waypoints so that you follow the road from the side? Then of course you would be able to follow a vehicle over a much greater distance
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Post by Zaidy on 2013-10-16, 19:42

Thank guys

@Allan, yes you could, but we could just about keep on station so even if we had the way point programmed we would not have been ale to keep up especially when some of these boys doing 100mph in some places !!

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Post by Rich on 2013-10-16, 20:38

Love it Zaid, just a quick question did you start at road level where the cars come past or where your car is parked, reason is, would the flight controller sense that the hex is lower than the start point if you started at a higher level than you were hovering at.

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Post by Mark Barnes on 2013-10-16, 21:10

Great question that Rich, I didn't knotice any issue with mine below the slope when I tryed it though

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Post by Zaidy on 2013-10-16, 21:34

Hi Rich

Thanks for that.
Started at road level where the cars went past.
Interesting question though. I cant see it being an issue ! but I could be wrong.

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Post by Rich on 2013-10-17, 07:37

Where's Andy when you want a lecture?

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Post by Zaidy on 2013-10-17, 08:12

If I am not mistaken, the NAZA uses GPS and barometric pressure for Altitude so the unit know where it is in space !!

ANDY ???

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Post by Rich on 2013-10-17, 20:17

I can read too

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Post by Zaidy on 2013-10-17, 22:11

Rich wrote:I can read too
Thank God for that I was beginning to wonder!!

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Post by Rich on 2013-10-18, 07:42

I would have just posted the link to the manual Very Happy

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Post by Andy Sayle on 2013-10-18, 10:23

Nice vid Zaid.

The main altitude control on the Naza is via a barometric pressure sensor. GPS is a bit shite when it comes to altitude control, not unusable, but typically has an accuracy of around 10-15 meters or so in the UK. A pressure sensor can usually read altitude to within 10-15cm over around 10 minutes (disregarding dynamic pressure effects).

The flight controller is not really bothered where you are in terms of altitude, unless you invoke the RTH failsafe (where it climbs to +20m from the home point, before coming home). In normal flight, it only ever uses a relative altitude to hold its current altitude. I.e. it doesnt care where it is, so long as it doesnt change, much. It would be quite easy for DJI to mod the software to include a lower flight limit though, and not let it fly below a certain level. The V2 Nazas and wookong already have a radius and altitude limit in the software....

Andy

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Post by Rich on 2013-10-18, 20:06

Andy Sayle wrote:Nice vid Zaid.

The main altitude control on the Naza is via a barometric pressure sensor.  GPS is a bit shite when it comes to altitude control, not unusable, but typically has an accuracy of around 10-15 meters or so in the UK.  A pressure sensor can usually read altitude to within 10-15cm over around 10 minutes (disregarding dynamic pressure effects).

The flight controller is not really bothered where you are in terms of altitude, unless you invoke the RTH failsafe (where it climbs to +20m from the home point, before coming home).  In normal flight, it only ever uses a relative altitude to hold its current altitude.  I.e. it doesnt care where it is, so long as it doesnt change, much.  It would be quite easy for DJI to mod the software to include a lower flight limit though, and not let it fly below a certain level.  The V2 Nazas and wookong already have a radius and altitude limit in the software....

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Cheers Andy,

Just what you said Zaidy in 23 words Very Happy 

"If I am not mistaken, the NAZA uses GPS and barometric pressure for Altitude so the unit know where it is in space !!"

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