#3 and #4 are already in the mail.... this is just shocking.
'Mako' on RMRC: http://goo.gl/O1FbCC
'Mako' on Banggood: http://goo.gl/tsT7HM
'Skyray' on HobbyKing: http://goo.gl/FYA0Mb
...
https://www.youtube.com/watch?v=fpmV5rCyi4M
I discovered GPS_CRUISE mode in inav, and added a second FPV camera and VTX. Much easier to move around now.
...
https://www.youtube.com/watch?v=MtEbGwQ3bg4
Wing area is 87dm^2 (not including flaperons), predicted weight about 7800g with two 4S 10Ah batteries.
"Wing cube loading" calculator: http://www.ef-uk.net/data/wcl.htm
FMS motor thrust tests: https://www.rcgroups.com/forums/showthread.php?2136362-PAEP-4250-Dyno-Tests-w-Thrust-Tester
Two of those on 4S and 16x8 (~100A together at full throttle) seems viable?
...
https://www.youtube.com/watch?v=YzgIeGmoNS8