Thank you very much for the support
YES, i use ECALC (i got only a monthly subscription for now)
I bought the motors and propellers basing on the results of some simulations with ECALC.
I have an agricultural farm and would like to build a multicopter that fits with my needs.
I thought to begin with a 6kg payload hexacopter, with frame designed by me with Fusion 360.
This is an example simulation where the custom motor parameters are got from the EaglePower EA55 specification:
I designed the frame basing on the Tarot Ironman frame structure.
Here is my design (without upper central plate and landing legs):
I bought 24mm diam aluminium tubing for the arms and 2 aluminium plates for the central body.
Then 3d printed in ABS/ASA the internal structure that holds the arms between the plates.
The frame weight , including the landing legs weight (missing in the picture) is about 2000g, as you can see in the ECALC parameters.
The payload 6000g, as you can see.
This gives about 11.9 min hovering time, but i think it should be more than this because the weight of the payload should decrease while the content of the tank is spreaded out.
I have some doubts about the dimension of the arms:
as you can see in ECALC, i set a Frame size of 1200mm, to keep the arms as short as possible to increase rigidity of the whole, but this gives a distance between the tips of the propellers of about 42mm… this could be enough or a greater distance would be desiderable?
Now i am going to buy the pixhawk flight controller and the appropriate ESCs.
As you can see, ECALC says that 60A ESC can be enough for that motor/propeller/battery combination, so i was going to buy the BLheli 60A ESC you see above.
But when i saw the offer for the ReadyToSky 80A i had some doubts if instead it would be better to buy them, so i opened this thread…
I think to go with the 60A BLheli, because of the (trusty and well known?) firmware and the possibility to fix the ESC behaviour basing on my specific needs…
What do you think?
Any suggestion is appreciated…