John Cousins
  • Male
  • Perth, Western Australia
  • Australia
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John Cousins's Discussions

3m Wingspan Mugin UAV for sale...

Started this discussion. Last reply by John Cousins Jan 4, 2016. 1 Reply

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Mugin UAV 3m

Started this discussion. Last reply by Bruce Robb Sep 4, 2015. 39 Replies

              I have decided it's time to move up to a large UAV airframe.I still have the giant payload master in the build, but it is taking forever as if i'm not working offshore, i'm busy test…Continue

Current Australian UAV regulations.

Started this discussion. Last reply by John Cousins May 13, 2012. 2 Replies

Hey there all. I've been busying myself with test flying foamies and getting all my Ardubugs ironed out.I haven't checked in on the CASA regulations for ages...Finally I feel i'm ready to step up to…Continue

Telemetry Port

Started this discussion. Last reply by Søren Kuula Aug 31, 2013. 8 Replies

Hi all!This isn't a discussion about wireless telemetry but more to do with the telemetry port itself.Could somewone tell me what the signal voltage levels are on the tlemetry port on the Ardupilot…Continue

 

John Cousins's Page

Profile Information

About Me:
Currently an ROV Pilot / Submersible engineer, previously an Aircraft Maintenance Engineer (Pilatus PC-9)
Interests are UAVs(of course), telemetry, High performance automotive technology, turbo and super-charging. Engine Management Sytems.
Please tell us a bit about your UAV interest
I get paid to fly ROVs.... so why not fly UAVs s well?
Hometown:
Perth, Western Australia

Comment Wall (2 comments)

At 6:13pm on July 12, 2012, Wanabigaplane said…

Hi John,

I see you are into flying a Mugin.

I am in a group preparing for the Outback Challenge. See  CanberraUAV.com  We were donated a Mugin by Cyber Technology in Perth. I think they obtained the plane before it was marketed as it is now, because they put a single cylinder DA50 on it.

It is a great aircraft for this purpose. It goes like the clappers and handles the weather really well.

The engine was purchased by Cyber Technology with the timing altered so that it runs in reverse. This means the full range of commercially available propellers can be used.

Vibration is a problem. A main wheel fell of on the first flight. The ailerons and elevons are held on by a 3mm aluminium shaft through a groove in the balsa of the flying surfaces, and either the hard balsa ribs or fibreglass sheet projections from the wing. With the vibration, after 4 a few hours airtime, the holes have doubled in size and the fibrglass has worn through. We are grounded at the moment while I do alot of surgery in order to rebuild the bearings and install brass sleeving on the shaft at every joint.

To balance the aircraft we had to put 4Kg of lead acid battery in the nose. This makes the aircraft heavy, so it flies fast and lands fast. Our nosewheel arrangement is just not up to it. After rebuilding the forward bulkhead we now attach the nosewheel shaft with nylon bolts.With the long nosewheel leg we break the bolts just about everytime it overruns the runway into the grass. Many of the aluminium parts on the nosewheel have been rebuilt at some stage.

We have just recently ordered through the supplier a number of replacement parts, especially the aluminium wingspar and booms because the material is, not to our knowledge, commercially available in Australia.

I'd love to hear how you get on.

Jack.

At 5:44am on April 25, 2015, nesrine said…

hello

does anyone have the plan of Pusher Prop UAVs 

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