We've heard of many uses for drones, "Arborist" hasn't been one of them. The guys from Tested.com interview Jamie Hyneman (Mythbusters) and his attempt to use a DJI Inspire.

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Comment by Gary McCray on April 2, 2015 at 11:26am

This idea has been kicking around for at least 2 years and an Inspire is simply no where near big enough a Quad to pull this off effectively (maybe for your Bonsai).

In fact, there was already a Company in New Zealand claiming to be doing this with really big Quadcopters over a year ago.

Although they showed an interesting Quadcopter with a hedge trimmer like blade on a pole sticking out in front of it and a counter balancing pole on the back, I am skeptical that they ever got it to work acceptably.

They actually use suspended tree trimmers from helicopters to trim brush and trees away from remote high power lines.

And there are multiple companies who have claimed that they were going to provide this capability using a multicopter (though not much has materialized yet).

I suspect that this is reasonably achievable using U8 or U10 sized motors with 26 - 29" props and a counterbalanced pole sticking out the front (in line with the prop center lines) and using a reciprocating hedge trimmer style blade.

It is probably also a good application for a tethered copter with power supplied from the ground.

But a typical hobby grade or toy quadcopter isn't even close to what you need.



Comment by earthpatrol on April 2, 2015 at 12:22pm

Does anyone else think that Jamie and Adam are being a bit irresponsible in their use/application of the Inspire? This video, in my opinion, is not much different then the guy that strapped two roman candles to his quad and started hunting down his "friends." There are a lot of folks trying to build thoughtful solutions around real-world problems and I would hope that the Myth Busters would be a little more thoughtful when jumping on the "drone-hype" wagon. Excluding the physics of a spinning saw(torque, mass, leverage, etc...), the issue of just flying a device with propellers so close to a tree is difficult and risky.

Comment by John Arne Birkeland on April 2, 2015 at 12:56pm

In one word. No.

They are experimenting out in the middle of nowhere. Exactly how else should anyone go about figuring out what works and what does not work with new technology? If you look at the Adam Savage Inspire videos on the Tested channel, they are some of the most informed and safety oriented approaches to UAS flying out there. Especially when considering that they are coming from someone who is new to the RC / UAS hobby in general.

Comment by earthpatrol on April 2, 2015 at 1:40pm

So all is fair in the middle of nowhere? Except their video goes everywhere. I have only seen two videos related to the Mythbusters flying the Inspire. One of Adam flying through a metal structure on a pier in the bay area and the one posted here. The question is not about experimentation but when to show the results of those experiments. The Mythbusters aren't using "new techology", they're using a new DJI product. As Gary mentioned, these types of experiments have been going on for years. I respect the Mythbusters and I guess I just expected a little more from them as a UAS hobbyist/professional.

Comment by Darrell Burkey on April 2, 2015 at 7:42pm

Talk about missing the obvious. Anyone who has flown a quadcopter for more than five seconds knows you can do the same thing just by lowering the copter in to the tree. Isn't that what those four spinning blades are for in the first place? :-)

Comment by David on April 2, 2015 at 10:19pm

Haha, I think Darrell is on the right track :-)

Comment by Hugues on April 2, 2015 at 11:29pm

Must have been a late April's fool joke

Comment by Martin on April 3, 2015 at 3:09am

The correct way to do it --> https://www.youtube.com/watch?v=KpwZ6c6ykNk

Comment by Rob_Lefebvre on April 3, 2015 at 5:32am

You guys just know that I was going to point out, TradHeli is the preferred aircraft for tree trimming. :D

Comment by Stuart Brookes on April 3, 2015 at 12:59pm

If I ever need a chuckle I look that video up :)


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