This must be the best sell pitch ever or just their fantasy.
But still, if somebody can come up with a formula ( battery size , prop size,
motor ) to get at less 50% of that it would be great .
This are the specs for the MD4-1000 from the MicroDrones
Empty weight 2650g
Max payload weight 1200g
Take-off weight ~5500g
Size 102cm rotoraxis-rotoraxis
Flight duration up to 60 min
Operating distance up to 2000m
Battery cell LiPo 9000, 18000 or 27000 mAh
Wind tolerance 12 m/s
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RC tiger motor MT series, Hobbyking NX series motors for multirotors. Been using the NX-4005 650kV and the MT3506 650kV for my builds with really good results. High stator and pole count. These motors are really quite. You may also want to check out the 5010-14 360kV outrunner from rctimer.com. Motors such as this will provide more torque to turn a larger high static thrust prop. I am drawing literally half the amount of current with these motors than I was with motors that had fewer stators and magnets. Good luck:)
Sorry to resurrect an old thread but had a couple questions. I'm in the process of developing a VTOL quad for extremely high endurance.
I noticed one of the posters, Maximus, had access to some really nice low KV, high torque motors. Does anyone else know where I can go to find suitable props, motors, etc... for this task?
Many Thanks,
That video is a bit deceiving, guys are flying inside hall where they do not have any wind to messing up hexas, no payload, no landing gears etc. Ok only payload is battery. If they would do this somewhere outside, i'd say take out 10 minutes at least from flight times with same setup.. Ok even if its 30 mins, it is still rather good. Anyways MK is rather good, so we have nice goal to catch in ArduCopter group
Its seams this are the motors used for the MD2 and MD4
Their smaller md2-400 costs around 20.000 USD. This bigger could easily carry even small fuelcell to extend flight time even more.