Two fans doesn't make much sense to me, particularly since the heatsink is bonded directly to the FETs, where all the heat is generated...and they're only on one side. Not to mention your mod will most likely void the warranty. There are people running HUGE motors (Neu 1527 1D) with the stock setup and have had no heat problems.
I'd run it first before hacking the crap out of the case.
Thanks that is the idea I have. If I have heat issues I will add a fan. Thanks for the input.
I suspect you will need the fan(s). I used a Y harness to hit the batt slot on my Rx since I needed to plug in a PT too. I cut the +/- wires from the CC BEC to the Rx and spliced in leads for my fans there. Had a couple of Integy (yuk) heatsinks with fans sitting around and used those. One already died, but there cheap and Integy, so what would you expect. 30x30x6.5mm 7.2V is what I had, and BEC is set to 6v so i ordered a couple of 6v ones to keep me going until my 3Ms come back. If you don't beat them to death I suspect they would last a little longer anyway.
Thanks that is the idea I have. If I have heat issues I will add a fan. Thanks for the input.
No problem man. Many times people waaaaay over-react before they see how things are actually going to perform. I like to see how things work first before i hack the poo out of them. :)