u/Netherx3

I have this thing washing the gravel on my iron farm from four sides one stack at a time (top funnel drops gravel on depot, bottom funnel takes iron nuggets and flint). I prefer this over having a long conveyor with fans on it, but I'm not the biggest fan of how bulky it gets to power three fans from each side and one from the top. Any tips? Maybe I have the stupid and am missing an obvious solution here?