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I have a few spare 380 size motors laying around that are 48mm long (4000kv 140g) and 46mm long (4550kv 114g), will these fit and will their weights be any issue?? Also it's shaft diameter is 3.15mm on the 48mm where I believe stock is 3.2, will this be compatible? I have an esc, batteries and radio equipment to handle as well. Just wanted to ask before I purchase a mini rio as I have these already and the rio looks like a lot of fun.