Nice render! Looks like they 3D scanned the motor/props with 123D Catch. Check it out in full 3D glory at SketchFab here

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JDrones
Comment by Jani Hirvinen on November 19, 2012 at 5:41am

Droidworks frames are always been good looking but as we all know all carbon frames are a bit bad as carbon blocks radio signals. Maybe people don't realize this enough yet. On close range it's not so big deal but if you plan to go a bit further you might end on problems just because you have CF frame.


Developer
Comment by Rob_Lefebvre on November 19, 2012 at 7:30am

Jani, how much of a problem is it really?  If you use antenna that get the signal out from inside the frame, what is the issue?  I use a 15cm antenna, and make sure to route them so the signal is not "trapped" inside the frame.


JDrones
Comment by Jani Hirvinen on November 19, 2012 at 7:35am

It is actually rather big issue. Just like my old 450 size heli. Normally i could fly it 500-1000 meters but made minor modifications and placed antennas... Ehem. not so wisely. I lost control after 150 meters just due antenna placement. Yes sure you can put them outside which makes things a bit better but can you be 100% that your antennas have always 100% LOS? If not... count that as -60-90% of range


Developer
Comment by Rob_Lefebvre on November 19, 2012 at 8:39am

So it's a case of LOS?  If the CF body comes between the Rx antenna and Tx, boom you're done?  

How are aluminum arms any better?  Don't they do the same thing?

The FrSky system does have an advantage in that the Rx has diversity on the antenna.  I have some of the longer antenna, I use a long antenna, and route it all the way down one of the landing legs.  Then it would be clear.


Moderator
Comment by Robert Krogh (hooks) on November 19, 2012 at 1:03pm
Go for glassfiber sheets and tube. I have made a glassfiber sandwitch construction for body. It's rock solid.

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