I kinda suspected that
Another 40cm for another bum on each side
I wonder if an idler wheel could had improved things, both for driving and seating? Could an idler be on the ground and help with weight bearing?
Why? brirish arleady produced Bren Carriers - why made something like that,only with 2 person more?
But,if they turn cruiser tanks into APC,like Canada Rams into Kangooro,it could be game changer.