There is a TED talk that discusses and demonstrates really cool quadcopter stuff using a closed GPS-type system that might work underground: http://www.ted.com/talks/raffaello_d_andrea_the_astounding_athletic_power_of_quadcopters?language=en
Mark On Mon, September 28, 2015 11:10 am, Wm Shrewsbury via Texascavers wrote: > Here's one I've been thinking of purchasing. They indicate they will have > a proximity sensor option in the future: > http://www.ascentaerosystems.com/sprite. Combine it with the live control > panel and we might just have a 'cave capable' drone for checking out high > leads. > > Wm > > -----Original Message----- > From: Texascavers [mailto:texascavers-boun...@texascavers.com] On Behalf > Of Mark Minton via Texascavers > Sent: Monday, September 28, 2015 11:00 AM > To: texascavers@texascavers.com > Subject: Re: [Texascavers] Drones for rigging > > Here is a link to a (no doubt pricey) "collision-proof" drone: > <http://www.flyability.com/>. The cage likely reduces payload for other > things, but it might at least work with a video camera for recon, even if > it couldn't do any rigging. Another lightweight option would be to use a > drone to simply drape a string over a suitable anchor (if one could be > found) and use that to pull up a rope later. Something similar was done > years ago using a helium balloon for Top of the Cross in Carlsbad. > > Mark > > On Sun, September 27, 2015 11:19 pm, Charles Goldsmith via Texascavers > wrote: >> >> There are a lot of factors when dealing with obstacles around you >> while flying. If I know I'm going to be flying near walls or other >> things that could interrupt the props, I have prop guards that I can be >> put on. >> >> I have smacked a canyon wall once, while "ridge walking" using my >> drone, luckily it survived, even after falling 20 feet and hitting a >> large rock at the bottom, but I was very lucky and no, didn't have the >> guards on that time. >> >> Terrain/obstacle avoidance would be a nice feature of a drone, give me >> sensors to let me know how far away I am on 3 axis and I'd be happy :) >> Even if it cost a bit of weight and lowered my flight time. >> >> On Sun, Sep 27, 2015 at 9:49 PM, Mixon Bill via Texascavers >> <texascavers@texascavers.com> wrote: >> >>> You'll notice that the video of using a drone for rigging has nicely >>> padded walls, presumably to protect the drone. Just yesterday I was >>> talking to a profession film maker who uses drones on his projects. >>> He said drones and canyons don't go well together, at least not when >>> the drone is carrying an expensive video camera. I would think trying >>> fly a drone anywhere near a cave wall would be a big problem. -- >>> Mixon _______________________________________________ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
