See System setup in Tomahawk Model - I wanted to apply the maths by using a 4S 2P pack at 14.8v instead of the traditional 6s.  These are the results below. The Model flew very well.  
     
   
     

EagleTree V3 E-Logger   Provided the above graph also full screen instrument software included.

 

 

£49.95 ELG-Kit V3 100Amp

Kit Contents...

1 off -
V3 E-Logger
1 off - USB Cable
1 off - Software CD & Digital User Manual

Specifications

 

 

 

Eagletree V3 E-Logger Suitable for logging all flight data for;  Planes -  Jets - Heli's.

 

ELG-Kit V3