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David Anders's Groups

David Anders's Discussions

Very strange behaviour for Quad

Started this discussion. Last reply by Richard Boyhan Dec 24, 2012. 12 Replies

I took my quad out this morning to try various flight modes.  Alt hold was perfect (more or less without sonar), but when i swapped back to stablise I lost all throttle control and it went off on its…Continue

GPS and ARM LEDs and the APM 2.5 case

Started this discussion. Last reply by David Anders Dec 18, 2012. 2 Replies

Hey all,I received my APM case last week, dismantled my quad, put the case in and rebuilt it and it works a treat.  Makes everything just seem cleaner and safer - and considering what i'm trying to…Continue

Test flight in moderately gusty winds

Started this discussion. Last reply by David Anders Dec 11, 2012. 2 Replies

Hey all,My quad's been running pretty well so I took my quad out this evening for a spin to see how it would handle a moderately gusty day (20-30km/h winds).  I have to say that it was almost…Continue

Antenna Tracking System

Started this discussion. Last reply by Josh Potter May 12, 2013. 4 Replies

Hi all,I'm familiar with RC and I'm familiar with the various types of antenna but i've never built/played with antenna tracking sytems before, so i'm practically starting from scratch [aside from…Continue

 

David Anders's Page

Latest Activity


Moderator
David Anders commented on Taylor Glenn's blog post Announcing Aeriality Version 1.1
"Hey - awesome work.  I really like it.  Very well done."
yesterday
Elios commented on David Anders's group X-UAV Talon
"This is great that we can save precious weights. I will order few to test."
Thursday
Tim Wilkin commented on David Anders's group X-UAV Talon
"Hobbyking weights always include packaging, so that the shipping weight (and hence shipping cost) are accurately calculated. My 4S 5000 lists as 1 gram lighter than the 4S 6600 Multistar, so battery weight will be almost identical. Indeed,…"
Thursday
Elios commented on David Anders's group X-UAV Talon
"@Tim: I was reading regarding the Multistar battery that they are made for the copters. Features:• Ultra high capacity LiPoly batteries designed specifically for multi-rotor use.Specs:Minimum Capacity: 4000mAhConfiguration: 3S1P…"
Thursday
Elios commented on David Anders's group X-UAV Talon
"Well, we have multiple antennas:1- vTX antenna: the mushroom 1.2 Ghz2- Telemetry modem 1W with dipole Antenna 900 MHz  3- Scherrer rx with the 2 dipole antenna. 433 MHzAnd I guess most of them should be 60cm away from each other, that's…"
Thursday
Gustav Kuhn commented on David Anders's group X-UAV Talon
"Elios, Foam presents NO obstruction to radio waves, so you can safely have the antenna inside the body.... Tim, info noted, there is a miniTalon lying on the bench :-)"
Thursday
Tim Wilkin commented on David Anders's group X-UAV Talon
"I haven't run a full battery down, but from the tests I've done, I estimate 35-40 minutes. I'm looking to try out the new Multistar batteries, which would permit me to go to a 4S 6600mAh battery for the same weight as the current 4S…"
Thursday
Elios commented on David Anders's group X-UAV Talon
"@Gustav  I am talking about the big Talon.  @Tim: What flight duration are you able to do with the mini with the 5000mAh?In mine, I will have 1 Mushroom antenna coming out from the frame."
Thursday
Tim Wilkin commented on David Anders's group X-UAV Talon
"If you're just doing gentle cruising, then 75W/point (or about 150-160W per kg is enough)... having a little margin would mean about 200W per kg is sufficient... My mini talon comes in at 1.5g with 5000mAh, pixhawk AP, power train, canon ixus…"
Thursday
Gustav Kuhn commented on David Anders's group X-UAV Talon
"Are you talking about Talon, or miniTalon ? I might have too big a motor in it, but that is what I had, and since I hand launch, I wanted the power ! I work from the "100W per pound" rule of thumb might be overkill on my planes, but it…"
Thursday
Gustav Kuhn commented on David Anders's group X-UAV Talon
"Ok, I weighed it, 2.88 Kg"
Thursday
Elios commented on David Anders's group X-UAV Talon
"@Gustavevery battery 3S 4000mAh weight 320g, which means it is around 960g with the cable. Have you any other accessories like Cameras, Autopilot,.....in it?Some users were saying that the cruise amp should be below 4 Amps, Don't you think…"
Thursday
Gustav Kuhn commented on David Anders's group X-UAV Talon
"Elios, I haven't weighed the plane yet. I'm using 3 HobbyKing 4000 mAh 3 S packs in parallel, with a 900KV 3548 motor, 12X6 prop. I can safely do 70 minutes at 60 Km/h. My Talon draws between 7 and 9 Amps at that speed, 7 in smooth air, up…"
Thursday
Elios commented on David Anders's group X-UAV Talon
"@Tim: nice joke. @ Gustav: We will fly at 100m ASL with wing extension. What is your flight weight at take off and what flight duration are you able to make with the 12Ah? "
Thursday
Gustav Kuhn commented on David Anders's group X-UAV Talon
"@Elios, Welcome! All depends how high above sea level you live. At 600' ASL my Big Talon, with 12000mAh 3S and GoPro, no wing extensions, flies best @ 60 Km/h. Previous posts on this forum will give you the param file. And as Tim said, if you…"
Thursday
Tim Wilkin commented on David Anders's group X-UAV Talon
"If you're wings fall off, you're going too fast... If you stall and hit the ground, you're going too slow... (sorry, I couldn't resist!) In all seriousness though, it will depend on the lift to drag ratio, which will depend…"
Thursday

Profile Information

About Me:
I am Australian but have travelled and lived overseas (Europe, South America and Asia)

In addition to English, je parle francais et mowic troche po polsku.

My drone videos are here: https://vimeo.com/user15016524/videos
Please tell us a bit about your UAV interest
Avid UAV operator, passionate contributor to the community and a distributor for 3D Robotics, T-motors and Droidworx gear.

www.skymationuav.com.au

Servicing east Australia (and Adelaide).

Feel free to drop me a line. I can talk about this stuff all day.
Hometown:
Australia

Comment Wall (15 comments)

At 8:16am on December 15, 2012, Richard Collmann said…

Hi David

I've asked my students to also participate in this very useful group. It is close to xmas now, but I hope they will become involved with your group before semester 1 in 2013. I hope you have seen the YouTube N7project footage. I have been very pleased with what they have done with what was only a bare concept in late-2011.

 

Thanks, Richard

At 11:56pm on February 14, 2013, Mr. Jay Moulton said…
hello David, how are you mate?
At 4:51am on April 3, 2013, Jarrod Smith said…

HI David,

I am based in Melbourne and am new to this whole drones world, but am keen to learn more, where do you think is a good place to start for a first build?

Regards

Jarrod

At 12:41pm on April 3, 2013, Jake Wells said…

Thanks David.

At 10:12pm on April 20, 2013, Geoffrey A Whatley said…

Hi Dave,

Don't know whether you got my message yesterday re APM problem setting up, have spent hours on the "B" system, don't know where I going wrong the problem is in the setup with the 3 position control switch set on manual the motor will run, on Stab mode motor slows  on RTL motor stops, in fail safe settings I note that manual setting "radio in "channel 3 there is a full set of green bars, "servo/motor out" the same for manual, less on stab. mode and none on RTL. Channel 8 " radio in" a full set of bars on all switch settings, nothing on "servo/motor out" regardless of switch setting, hope you can point me in the right direction  Regards Geoff.

At 1:12am on April 22, 2013, Geoffrey A Whatley said…

Hi David, Thanks for the reply,Firstly I gather you mean tick the check box
in fail safe nothing changes if it's ticked or not, don't understand what
you mean by TX responses are correct under Radio Calibtation and I only have
switch set fo RTL, Stabalise and Manual, have been having another problem
today, Picture but no GPS, push reset button, it trys to reboot, then comes
up with a message Waiting for MAULINK HEARTBEAT. sorry to be such a pain
Regards Geoff.

At 1:34am on April 22, 2013, Geoffrey A Whatley said…

Hi David

I have found the OSD problem,It doesn't show if you are connected to PC, looking at OSD I find It doesn't matter where the 3position switch is the OSD shows Stabilised Mode maybe someone has an answer  Regards Geoff

At 3:38am on May 21, 2013, Nick Young said…

Hi David,

Thanks for getting in touch. Me being a newbe on the subject, can you get the ball rolling? I have a load of questions and am somewhat shooting in the dark right now.

At 12:16am on June 2, 2013, Andrew Pan said…

Hey David,

Do u live in Melbourne

At 7:39am on June 3, 2013, Mark Edwards said…

David - looking for some likeminded multi-pilots to network with here in Melbourne. I'm flying a 6X Naza-M F550 frame with a view to moving towards a heavy lift build and a CASA commercial certificate for cinematography. Very much like to meet up with some local pilots to discuss techniques and build options etc. Notice there is a Melbourne group meeting periodically...

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David Anders's Blog

Drones in the sky - technological marvel or threat to privacy?

Posted on February 26, 2014 at 5:00pm 8 Comments

Do drones pose a threat to our privacy, or are they just the fruits of innovative technology with benefits for governments and industry?…

Continue

Scientists flap to the future with 'insect' drone

Posted on February 24, 2014 at 6:18am 0 Comments

As reported in the Sydney Morning Herald, Dutch scientists have developed the world's smallest autonomous flapping drone, a dragonfly-like beast with 3D vision that could revolutionise our experience of everything from pop concerts to…

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UAE develops delivery drones to improve government services

Posted on February 11, 2014 at 1:02am 10 Comments

DUBAI // Aerial drones could be used to deliver vital documents and medicines within a year.

Two prototypes of the small, unmanned craft were unveiled at the Government Summit on Monday.

“What these things are best suited for is delivery of small, light value things that are time…

Continue

3DR Quad - Speed and Lift Test

Posted on June 16, 2013 at 3:09pm 2 Comments

Hey all,

UAV Test Flight - Speed and Lift from David Anders on Vimeo.

Yesterday a group of us headed out for our regular Melbourne catch-up.  This time I was out to test just how fast I could get my 3DR quad to move and…

Continue
 
 
 

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