Tell me about the weight of the plane.  

Is this for sport or competition?

Weight before the power system?  

Target weight after the power system.

How long do you want the motor to run? 

Will you use a timer to cut the motor or will you run till the battery dies?</p>

How steep of a climb?</p>

Does the battery need to do more than one climb?

give me this and then we can talk.
</p>