HG3 the era of quad variable pitch has begun!


Multipilot Board support Hg3 Variable Pitch Mega Quadcopter actualy I'm implementing the support of HG3 (Variable Pitch Quad) to new Arducopter firmware. The last flight had doing with Aeroquad 1.5

This is last post from Pipposoft as lot of work this is a new version of HG3.2 Variable Pitch Propeller.
"
Between job and family commitments
although slow, here's some special preview of the new HG3 V2 ...
... To see it looking good, but ... fly?
leaving us with this doubt, all for now.

Pipposoft
"

This is old version of HG3



For full story FoxTeam:
http://www.virtualrobotix.com/profiles/blogs/hg3-the-era-of-quad-va...

Views: 1023

Comment by passunca on August 28, 2010 at 4:46pm
LOL this thing is massive! good work
Comment by Jawahar balaji on August 28, 2010 at 4:47pm
superb !
Comment by Rana on August 28, 2010 at 6:25pm
Great efforts Pedro !

3D Robotics
Comment by Chris Anderson on August 28, 2010 at 6:31pm
This allows a nitro engine to be used for long duration and high lifting power, right?
Comment by Rana on August 28, 2010 at 6:41pm
Pedro, It is really feasible to make a giant Quad, using a single powerful petrol engine and use your power transmission system passing through each arm of the Quad.
Comment by marshall scholz on August 28, 2010 at 7:30pm
great work, it"s really stable in the video but, you may want to turn down the gain just a little bit because i can also see some oscillation. also can you document it more? I would really like to know how you got the power system to work, thanks
Comment by Tedro on August 28, 2010 at 8:12pm
I'm liking the variable pitch idea... nice stable flight in your video... but it needs to be bigger!

Moderator
Comment by Morli on August 28, 2010 at 10:37pm
gr8 possibility to break out from current size limits :) . thank Redfox team for sharing . Fox however needs to change to red ( it looks brown :)) )

Moderator
Comment by Alex on August 28, 2010 at 11:14pm
Thats really nice :) I am just wondering about something and perhaps someone could answer me.
Since the quad has only 2 engines the RPM can only be changed on the two pairs of props. I was wondering that when the pitch is changed would rotation would slow due to the extra forces due to pitch? so wouldn't this be a problem for only 2 engines, or the fact that the pitch is changed on the 2 opposite sides would allow this to be avoided? Or is the slowing of the rotation rate not taken into account as its acting on opposite sides?

I am guessing that this is not really a problem since the quad seems to fly just fine

Moderator
Comment by Morli on August 28, 2010 at 11:27pm
A speed governor is used in heli to tackle this issue but don't know how this being tackled by Redfox.

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