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Boulder, CO


Please tell us a bit about your UAV interest

Custom tinker'er FF450 w/ arducopter


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Lars posted a discussion
Hello all ...I've just recently been having issues with my GPS not working.  I noticed it when I was trying to get my quad to RTL and it didn't want to listen.When I run the test from the terminal on the gps it gives me ublox ok, but #sats is always…
Jan 6, 2013
Lars commented on Brett Morgan's blog post First flight with GoPro, but hit low-voltage cut-off with the ESCs
"David, thats a good point.  As many warnings about the battery the better probably.  I have the FrSky module in my Turnigy 9x, so I have telemetry reporting my battery voltage, but that still screwed me. I need something else that also screams at…"
Dec 20, 2012
Lars commented on Brett Morgan's blog post First flight with GoPro, but hit low-voltage cut-off with the ESCs
"Also ....
To answer your question about the battery, why NiMh doesn't have a low voltage cut off and LiPo does:  This is because you can discharge a NiMh battery to empty (preferred if I'm not mistaken) and recharge without issue, but a LiPo batter:…"
Dec 19, 2012
Lars commented on Brett Morgan's blog post First flight with GoPro, but hit low-voltage cut-off with the ESCs
"Hey Brett,
One thing that I noticed that stood out to me was the rating on your battery.  25C seems a bit low for 20A max motors. That works out to 55A max output from your battery ...
I am a newb though, so take this with a grain of salt.  I would…"
Dec 19, 2012