Did a short flight right around sunset, maybe 8 minutes max.  Temp was about 90°.  When I landed the drone it was hissing.  Very warm, almost hot.  I waited for it to complete its calibration, and turned it off, at which point the hissing immediately stopped.
Ever hear of that?
	
		
			
		
		
	
				
			Ever hear of that?
 
	 
	 
  
 
		 
 
		
 
 
		 
 
		 
 