calculating the forces acting on the motor axis

[shekubob]

It may also help to look into engineering statics and dynamics

this is what i looking for but this subject so complex

 

[joeyjan19]

this is what i looking for but this subject so complex

Where are you planning to build this? What country that is?

 

[Sesmith016]

this is what i looking for but this subject so complex

It is. I had to take it twice while completing my degree, but it really boils down to F=ma, where in this case, a is gravity or 9.8m/s.

 

[With The Birds]

It is. I had to take it twice while completing my degree, but it really boils down to F=ma, where in this case, a is gravity or 9.8m/s.

So in a hover he needs 300kg of thrust just to hold position. If we consider a phantom 3 which is just shy if 1.4kg in weight is averaging around 250w in flight a 300kg multirotor will be around the 54kw mark. That’s around 170kg of LiPO cells for 30mins flight if the OP opts for a battery powered AC.

 

[joeyjan19]

It is. I had to take it twice while completing my degree, but it really boils down to F=ma, where in this case, a is gravity or 9.8m/s.

I’m sorry I didn’t get a degree in engineering so I’m glad you are here,but if F(force)=M(mass)A(acceleration).D(drag) increases directly as L(lift) is increased,this is given. How does F=MA.