lipo area minus tvp
driveshaft clearance
empty battery area
My current lipo maxamp 4s 8400 30c
45 tall 65 wide 140 long
Max length I think you can install if you move the lipo bracket forward is 156mm
Max height current is 51 mm I think I can lower the bracket 3 more mm for 54 total without raising the mmm up in the air.