I have put my Rx packs just a little further back than Jeff, they sit behind the front former were the removable nose cone finishes and are just inside the fus its self.
My F16,s ECU pack also sits in the same as place as Jeff,s ie along side the turbine and with both the pump and ECU in the same position but on the opposite side.
I have experimented with placing ECU packs up front on several different arframes in the past and often find that with these bigger bigger airframes the extra HD wiring needed out weighs the pack itself. In this F16 it would also have given me too far forward a CG.
Both Jeff and my self are using the Jeti 5200 Lion packs for both Rx and ECU weighing in at 195g each.
Again like Jeffs F16 I needed no nose ballast and the finished airframe came comfortable within our UK 20Kg max weight limit so no certification was needed to be able fly it.
Last edited by Mark Vandervelden; 03-11-2017 at 02:47 AM.