Sheet good and lumber mobile cart.
Fairly new to the forum but I've got plenty of projects that I keep photos of. Lots of DIY stuff that I tinker with from welding to woodwork and lots of others that don't apply to this site (firearms, truck and motorcycle related). Since I balance all this, I need to keep things mobile. I don't like horizontal lumber racks for my application because I have extra tall ceilings that I can take advantage of. When I intro'd myself, I posted up a couple pics of this and someone mentioned putting the project here in the 101 thread.
Anyway, here's the basic plan I came up with one night while traveling. I couldn't remember exactly what I had on hand for materials. Some things have changed like the 2x4 joists under the skid turned into 2x6 joists in reality because the plan was rough by necessity. I wanted as little space as possible under the skid in case a caster(s) were to fail. Same kinda safety principle as keeping lifts as low as possible. The easiest way to keep something from falling is to keep it on the ground (and all that). This will keep it from hurting someone if I have a few of these casters fail at once or I somehow manage to tip this beast.
I also decided to shift the A frame off center to give me more room for dimensional lumber vs sheet goods. A few sheet goods go a long way so I don't need 30+ sheets of plywood at one time collecting dust whereas, I might have 30+ sticks of dimensional lumber easily most of the time. I decided against the drawer on the bottom. I decided I like having the larger bay for larger scraps in the bottom of the A frame. Also it is worth noting that I can easily screw some leafs down to the base if I need to extend the size of the skid to stack more lumber.
Here's some progression pics of how it went together. Keep in mind that I am a one man show, so my methods are a little counter intuitive. I build from the perspective of being able to do it 100% by myself. I am a bit of a hermit with no neighbors and no one locally that I trust to help. I have friends and acquaintences but they are not really inclined for fabrication.
Normally, it would be quicker for someone to rough out the A frames with ply and then lean then them in place. I was afraid I'd drop one so I built the base first, each A frame individually (using the first as a jig) and them mounted them with temporary braces, cleated them, built the inside shelves and then skinned the frames with 23/32 face sanded ply that was handy.
The base starts with (1) 8 ft sheet of 23/32 ply face glued together. I used cut up coffee can plastic on the corners to keep them sqaure during gluing after cutting them with the track saw. Glue doesn't stick to nylon so I thought it would be a good idea. I had used the weight of various tools and equipment around the shop to press them together and let them dry for 2 days after skim coating both sides with Titebond 3 that I use for most projects. I later cleaned up the plastic corners and kept them as handy chip guards.
I planed, glued and screwed the 2x6 skid joists and utilized 5/16 bolts with washers and T-Nuts for a flush finish. I then added a piece of 15" lumber in the center for the A frame feet to mate with.
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At this point I was not sure what the weight rating would be it was easy to figure out the 2 ply pieces but then throwing in the 2x6's and fasteners into the mix... I have no idea other than "alot". I stress tested the base by laying my tractor bucket on it and raising the tractor with negative lift. I've done this before to test welds for cracking so it was the first thing I thought of. I measured less than 1/4" droop and drove the tractor forward/backward with the back wheels and caster base. No problems, no cracks and no sag. Ready to roll~
Built up the a-frames. I would have preferred normal short side butting but would have no space for cutoffs. Since that was the case, I ran 4 studs 12" OC rather than 3 studs 16" on center. This was part of the original plan. The braces between in the bottom pic were temporary.
I skinned one side and decided to build in the shelves while one side was still open studs.
Then it was just a matter of skinning the other side with ply, drilling 1-1/2" holes with a Forstener bit for the removable pegs, adding the aluminum angle iron stops at the base, hardware pulls and eye bolts for the straps to secure the lumber for moving the cart.
I took a pile of wood and buried ply/OSB that went from this:
And voila!
It is now very easy to index through my ply and slide out a sheet versus having to scatter everything and restack every time. Time well spent for me.
After that, I started clearing the clutter off my benches by putting up a 6ft x 4ft french cleat wall area for ready tools that I most commonly use on the wood side. I have most of that done and some pics to go with it including a cordless tool charging station slightly slightly improved from other generic charging stations I see all over the net. I have some documented pics of levered caster bases for my tool stands as well. I can post that stuff up later if interested. I also have quite a few welding projects like tractor bucket forks, a modular welding bench, adjustable 3rd hand and others if interested.
I hope you enjoyed this.