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  • Or is the beavertail actually required, now there's a gimbal on the front?

  • A small battery I assume...given it's only supported on one short side, and it'll muck up the CoG a treat?

  • Moderator

    You can put the battery on it.

  • And one last query...relating to thw QU4D...what's with the "beaver tail"???

  • A fair comment Duran - the distinction between a hobby build and a "commercial" build often overlooks the fact you need to pay salaries, pay for specialist services, build the supply chain, R&D etc. I suspect many here could build a 60min machine with ease, but would not need to count the man hour costs.

     

    I did have some specific question about this rig:

     

    1. The universal mount - When you say universal, do you mean "standard"? It is a problem I am running into with my "payloader"; while there are no universal mount systems, there does appear to be 2 "emerging" standards for mounts - a 4 peg (45x45), and the 65mm 2 rail. Does your universal mount over any advantages over either of these solutions - enough to warrant open sourcing it, so it could become a "standard"? As far as I can see, it's a simple plate that would only support the "4 peg" attachment method.

     

    2. The legs - I love the folding idea - it's very clever and very simple; my query is around longevity and load - is there some lateral "spring" in the hinge, for those *cough* "interesting" landings? And are these load tested with the 8kg claimed payload?

     

    3. There appears to be some arm flutter in the video, though I could be mistaken. Are these 25mm arms? And what arm diameters were tested, and what were your results?

  • Hey guys, some good comments here, thanks.

    It's weird how a lot of people get straight to costing up what they think the unit costs, once off to make, and leave out things like R&D, shipping, time, rent, salaries for staff, the costs it takes to make 100 of these... and all the smaller things that are not really mentioned, all the extras that come with the unit etc etc. 

    A lot of people also claim that's it's so east to simply replicate and make at much lower cost, but I've not seen anyone else actually do it, only talk, unless you can link me to it ? Sure it's very simple looking at the unit now, already made, try doing it from scratch, with all the different parts needed to work together, then go and have those molds made, the costs for that alone.. anywoo, I just want to bring some perspective to what it actually costs/takes to develop something. I know the engineers here may understand a little more.

    I'd like to challenge anyone to show/link me to any unit that can do 60min (well tested outdoor real life) 8kg payload lift at 20min, that folds up into the case this size with no tools in seconds, is fully RTF, with vibration damping motor mounts and gear mounting plate, at less then 15k Anyone ?

    This is not meant as a hobby unit, it was designed as an all round multi purpose unit for use from fire fighting to film making. I appreciate all the comments and don't take any of them lightly, we're a small company doing our best and always learning.

    Also check out our new QU4D, 1999$ for fully RTF copter, with built in front mounted 2 axis brushless gimbal, new AlexMos controller, folding airframe/landing gear, Taranis radio, 3DR AMP2.6 / NAZA V2 options, splash/dust proof filtrex enclosure under a clear tool-less entry top dome, 18min flight times fully loaded with GoPro (in hard case to protect your precious camera!) A really cool carry box as well with custom foam insert (not ugly cardboard) and a lot of extras (battery, charger, lipo checker, logbook etc) I guess this is also really overpriced lol

    http://www.steadidrone.com/index.php/drones/2014-steadidrone-qu4d.html

  • https://www.youtube.com/watch?v=ipgNY-sGDFY&feature=youtu.be

    a short video of my quad running 135kV, 6S 44000mah max (2x 5000mah on the video) and 29" props...

    amazing how the props looks stopped motion on the video :-)

    it is running 3DR APM 2.6. it is the second flight so don't pay too much attention at the stability... PID is still far from good :-).

    ps: no bloody power distribution from 3DR as they are not reliable enough (2 bought... 2 issues with soldered cables on previous drones!).

    I personally think the 15kUSD price is reasonable. it takes time, crashes, etc.. to develop a product. plus hardware is not that cheap...just props price is easy 600USD.

  • You guys gotta remember, there is a premium to companies making quads.  They take the time to experiment and try different parts to find the right mix.  They then tune and test the quads.

    I liken it to a chef making a meal.  While yes you could get the ingredients themselves very cheap, but to have an experienced person put them together well is another thing.

  • Well Max Levine R_Lefebvre?

    "@Crashpilot1000

    I'll buy it from you for $3750... where is your shop ?"

    ??? I hope you people can read - and please show me where I wrote that?? The shopprices are taken from the SteadiDrone shop - what did you think?. So go and buy it there you bunch of 3DR dependant and all so witty guys. But it is very nice to see that these copters don't rely on "3DR designed by bloody amateurs that even have no idea how to design the powersupply hardware".. So no Arducopter Muppetshow with Steadidrone.

  • If it was aimed at the professional commercial market I don't think I would go with a quad copter.   I sure wouldn't want my very expensive cameras/sensors on a platform that can't recover from a prop failure.   I don't believe the A2 can gently land a quad if something happens to a prop or motor or ESC... unlike that TED talk video from UPenn that shows a decent recovery from clipping the propellers on two of the props of a quad copter.

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