Accessin' t' fins inside o' an airframe t' add fillets for strength can be challenging. Ya scallywag! Blimey! I explore a simple way t' build t' fin can / motor mount outside o' t' air frame. Begad! Blimey! I also look at a solution for motor retention in a tight space. Arrr! Blimey! If you did nay see your country listed on t' world map then leave me a note in t' comment section.