Ellison Chan's Blog (19)

DJI Phantom - It's Not Vapourware, After All.

So, it's an actual real product and not just pretty pictures.  Nice plastic wrapping around what I suspect is just a standard quad.  I like the props.  They look like normal airplane props.

Here's a couple of videos:…


Added by Ellison Chan on January 13, 2013 at 10:30am — 25 Comments

3D Printing My Own Personal Robot Servant

Well, as you can see, I've started with the arm.  This puppy has reduction gears, driven by a stepper motor.  I'm planning to power the forearm with metal gear servos. Of course with slight modifications to the segment ratios, this is also going to be the legs of my robot.

I need more steppers and drivers, which are on order.  This prototype is a result…


Added by Ellison Chan on January 9, 2013 at 10:00pm — 15 Comments

3D Printed Air Foil Section

Hi Folks, 

Check out what Harry and I have been working on in the 3D printing group.

We're designing air foils that can be 3D printed.

Check out this discussion to get the Blender CAD files, and for more details:

3D Air…


Added by Ellison Chan on November 30, 2012 at 4:00pm — 8 Comments

Yet Another Fully 3D Printed Multicopter.

Still in the works, but can't resist putting some pictures up.

Key features are:

  1. Fully 3D printed arms.  Using a truss design, it's very stiff vertically, and resistant to twisting.
  2. Arms are printed in sections, so can be extended to allow for almost any sized prop.
  3. Arms are wide, so easy to strap things on…

Added by Ellison Chan on November 8, 2012 at 4:00pm — 3 Comments

Drone Being used by SyFy Network Show "Haunted Highway"

Interesting these folks are able to obtain permission to use a drone for a commercial endeavour, or did they?

This appears to be filmed in the US, so the FAA rules, should be applying to them too, right?

Added by Ellison Chan on July 17, 2012 at 7:30pm — 16 Comments

UAV Inspired by Maple Seed.

Those of us in the North Country, are very familiar with the shape and mess that we have to clean up every year.  Yes the venerable maple seed.  Lockheed has found a way to turn this into a military drone.  Way to go, Lockheed!

This design seems familiar, very much like Jack Crossfire's Marcy mono-wing.…


Added by Ellison Chan on June 13, 2012 at 2:04pm — 10 Comments

Cheap DJI 550 Clone Hexa Frame from HK.

Looks like a clone/unbranded DJI 550 frame from HK is avilable for $17.99.  Seems like a good price.  I just ordered one.  Hope the quality is good.  Will update everyone, when I get it.

BIG NOTE: It looks like this frame does not have the PDB(Power Distribution Board) built in.  I actually like this better, since that…


Added by Ellison Chan on June 4, 2012 at 9:30am — 22 Comments

Good Hobby CNC Machine

I'm thinking seriously about getting a CNC.  Been browsing on Ebay.  Mostly these China made 3020 cnc machines are popping up, and they all seem to  be relatively well priced.  Just thought I'd get some opinions from members on any actual experience on these.  Also any…


Added by Ellison Chan on May 24, 2012 at 8:30am — 129 Comments

Amazing Feat with Latest AeroQuad 2.1 Flight Code.

Ok, I can honestly say, that I would never even attempt this with Arducopter.

Check out the AeroQuad website, if you're interested in learning more.

Added by Ellison Chan on May 15, 2012 at 9:00pm — 28 Comments

Which Flight Controller Drives this Quad?

This is a pretty large quadcopter.  I wonder what flight controller they are using.  Would it be great if we can get Arductoper branding on this? Definitely need custom code for the heavy lifting.

Added by Ellison Chan on April 22, 2012 at 9:00pm — 10 Comments

Iran Cracks RQ-170 Stealth Drone Code.

Yee haw!  Save your money boys and girls.  Looks like Iran may be going into the flight controller business soon.  Once commercialized, the RQ-170 based flight controller should outperform DJI, and Arducopter.  Maybe even give Mikrokopter a run for its money.

Added by Ellison Chan on April 22, 2012 at 12:17pm — 24 Comments

HobbyKing Beer Lift 2012

Looks like the folks at HobbyKing has fully embraced the Multicopter revolution.  To that end, they've created a contest for 2012, the goal of which is to lift our favourite beverages, BEER!  They don't say whether the beer cans need to be full or empty.  I think the goal is to lift as much weight as possible.  So there may be the obvious incentive of lifting many…


Added by Ellison Chan on April 4, 2012 at 8:31am — 13 Comments

Lockheed Martin Offering a Commerical UAV in 2012

Ok, so the heading is a little misleading.  By UAV, Lockheed probably means Umanned Aquatic Vehicle.  They're planning to offer this UAV for sale in late 2012.  But, seriously, maybe we all need to get out of the air and into the water.  Is there such a thing as FSA (Federal Submarine Authority) or does Transport Canada have regulations for submarine…


Added by Ellison Chan on March 27, 2012 at 7:00am — 7 Comments

PI Tuning Guide from the Kaptein Himself

Just hot of the Youtube, a PI Tuning guide from Kaptein KUK, the inventor of the KKMulticopter Board.  I'm not sure what board he's actually using for this tutorial, since the KK Board doesn't have PI tuning, but just using simple potentiometers for adjusting gyro gain.

The concepts are…


Added by Ellison Chan on March 6, 2012 at 5:00pm — 9 Comments

Canada is at the Vanguard of UAV Regulations


Figure 12-2 Work Plan

Well folks after some browsing I've discovered that Canada is the current leader in terms of regulations of commercial use UAVs in North America.  Whereas the US President has just recently signed…


Added by Ellison Chan on February 23, 2012 at 8:00am — 32 Comments

Experiment with Momentum Cancelling Code

Experimental Momentum Cancelling Turned On

In the above flight, Arducopter 2.3 is being used with stock PID, basically no tuning at all.  The INSTANT_PWM, is enabled.  The propellers are not balanced, and nicked up, from rough flying.  The framed use is my…


Added by Ellison Chan on February 7, 2012 at 7:30pm — 14 Comments

Swarm of Quads!

Latest Progress from the Folks at the GRASP Lab

Would love to see what flight control algorithm they're using on these things.

Great picture of the infrared lamps, at the end of the video:…


Added by Ellison Chan on January 31, 2012 at 9:36pm — 38 Comments

First Flight of 3D Printed Firefly Mark One Quadcopter Frame

Firefly Mark One Flies in TREX Configuration.  It's like a Space Odyssey!

As you can see above the 3D printed frame project has advanced one more step.  I have fitted the 3D printed hub with 4 cut down TREX 450 (12mm) tail booms.  It's being flow in Stability Mode.  Just a note on cutting the…


Added by Ellison Chan on January 23, 2012 at 5:28pm — 6 Comments

Introducing Firefly Mark One - First 3D Designed and Printable Quad Frame

For those who haven't seen my previous blog here's some background on what this project…


Added by Ellison Chan on January 3, 2012 at 9:11pm — 9 Comments

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