Would anyone have recommendations for buying wheeled or wheel-less bins/hoppers that can be filled and stacked compactly in a truck box or enclosed trailer?
I'd like the container weight to be fairly lightweight, under 50 lbs, but heavy duty enough to be stacked 4-5 containers high when loaded with relatively light items. Being durable implies fiberglas construction for industrial use, but f-g bins are fairly expensive.
I have very little confidence in the cheap poly bins with lids that are sold in nearly every retail store.. might be OK for filling with sweaters or pillows, but not much else, IMO. It seems that many commercial bin products have protruding rims/handle grabs that would prevent the bins from being stacked comactly, while increasing the likelyhood of load shifting/damage enroute.
We have 2, 24 ft owned, not rented, ex-rental trucks with ramps (not liftgates) and intend to get 2 enclosed trailers if needed.
I've been contemplating fabricating something similar with or without casters, open top bins with plywood sides/bottom, metal corner reinforcements and possibly an internal square ring formed from conduit to secure/reinforce the top edge and hold the sides together, while trying to keep the bins light weight.
Hell, if the plywood boxes are sturdy enough to be stacked turned sideways, at the destination, they would be easy to unload and locate stuff easily, and provide lots of usable storage.. possibly even benchtop supports, or at least fill the under-bench spaces.
One problem with plywood material for the bottom and sides, is limited thickness for screws to attach metal corner reinforcements etc.. so large pop-rivets and inside washers may be a better choice, but more labor intensive.
Maybe punching a starter hole with an awl, then filling it with CA or urethane glue prior to running in a short, coarse sheetmetal screw would hold well.. I'm guessing the dried glue would give the wood more density near the screws when it's absorbed locally to the hole, but maybe not*. If any screw points would protrude on the inside, they would need to be knocked off with a die grinder.
The (3/8"-1/2" whatever those new numbers are) plywood sides/walls should support stacking weight loads, easy enough to cut-in elongated holes for lifting, and probably withstand open highway travel fairly well, as long as they're all square and stacked straight. Some small blocks or other features in the bottom corners should be able to take care of properly aligning stacked columns (avoiding exposed thin-edged metal hardware that could potentially chop off or easily break a finger).
The other options could include multiple dollies for wheeling the wheel-less bins to-from the truck, so that 4-6 people could keep the flow of loading a somewhat continuous stream.
Much of my stuff, aside from machines that are crated, which will be the heavier "bottom" items in the load, will be electronic gear which is fairly lightweight, and some approximately 1/2 cubic yard bin capacity could still be stacked by 1 or 2 strong workers (not me).
The idea is to have many equal-sized bins that will be easier to arrange and stack than a multitude of differently sized boxes, while effectively utilizing most of the truck box space, which is difficult to do without shelves/racks when using lots of cardboard boxes.
*I tried the CA glue in drilled pilot holes for some wood screws to reattach a guitar bridge recently, only because it seemed like a good idea to me.. I dripped the CA into the pilot holes, and probed the holes with a toothpick to distribute the glue, then let it sit for about an hour before carefully turning the screws by hand. The screws felt like they were turning into real wood, not the fluffy crap the cheap guitar body was made of.