Hi Fridge, thanks for the answer, as i said in another forum, i'm not sick of speed and i will be very happy if this boat <span class="hps">reaches 40 or 50 mph, like my gas boats. Since i'm more interested in the run time, i was thinking the same setup as yours and 2 10s 5000 mah pack in parallel for each motor in order to have 10000 mah x motor, how much can i run with it?  Someone told me no more than 10 min.[] Is this true?  <span class="hps">I would like to</span> <span class="hps">reach at least</span> <span class="hps">15 minutes. I<span class="hps">s it possible? Remember the z-drives (<span class="hps">eat</span> <span class="hps">amps) <span class="hps">and</span> <span class="hps">the weight</span> <span class="hps">of the boat</span><span>,</span> <span class="hps">around 15</span> <span class="hps">kg.
Thanks again Fridge.

Regards</span></span></span></span></span>