Multicopters are growing into real lifesize !!!

What do you make of this ? :D I came across with it today, don't know if it flyies or not, not much info on it.

 

Views: 1179

Comment by Gareth Rens on April 16, 2012 at 11:13am

Sweet, thats a BMW boxer motor...

Comment by Coptaire on April 16, 2012 at 11:19am

Crazy, as usual with these lethal prototypes:

Comment by Ellison Chan on April 16, 2012 at 11:27am

This one is faker than the Flying Dutchman.  The physics in this video of the Malloy Hoverbike is totally unrealistic.

Comment by Greg Fletcher on April 16, 2012 at 11:32am

If the "real one" was real, I think they would have a video. I think its Photoshopped. I do think it could work, but on the full sized one I don't see the control vanes.

Comment by Ellison Chan on April 16, 2012 at 11:39am

Ok, I just read the description in the video.  It is fake, just a scaled model.  That's why the physics look fake relative to  the apparent size of the pilot.  

Comment by Yuan Gao on April 16, 2012 at 2:15pm

The position of the flaps are too close to the centre of mass of the machine, this means that the flaps will impart more sideways motion than the corrective turning moment needed to stabilise roll.

It's possible that the hoverbike works, but it doesn't seem particularly well designed (as I say, control surfaces need to be further away from the centre of mass to be more effective).  This is probably why the maker of the hoverbike has taken so long to get it working.

Comment by Rui Manuel Cravo Marques on April 16, 2012 at 2:31pm

I think this could work better if using a tricopter orientation, but using 2 smaller fans on the front or rear and a bigger one for ballance, however, it's a nice prototype.

Comment by Ellison Chan on April 16, 2012 at 2:50pm

Well, with the scale model test he shows above, it's definitely feasible, but it will be a rough ride.  Entirely, non-practical, though.  It'll probably safer riding a real motorcycle.

Comment by Jay Bryon on April 16, 2012 at 5:44pm

I've seen the test flight video, it does in fact fly, or rather fly while tethered.  However, the real question is controllability, which will require some really good PID tuning and a fly by wire system.  Might be possible, but I like the e-volo better for it's stability and relative safety: 

http://e-volo.com/Home.html

Comment by hovercycle on April 17, 2012 at 5:58pm

Yeah, Malloy needs some fly-by-wire designed by a DIYdrones member!

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