Questions tagged [weight-capacity]

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3
votes
2answers
255 views

Pull-Up Bar - Wooden dowel - 1.25" actual diameter

I searched but I couldn't really find this answer. I want to use the linked wooden dowel as a pull-up bar. 1.25" oak (not specified which). Is this gonna be strong enough across a roughly 30"...
0
votes
1answer
94 views

How much could I load on to this cabinet? Should I reinforce it?

I bought this cabinet and I'm trying to determine if it can handle an Aquarium I'm trying to place on it. Here is the cabinet The aquarium is 20 Gallons dimensions are 17.75" x 17.75" x 15....
0
votes
2answers
97 views

How can I figure out how much weight a piece of wood will be able to handle before breaking?

I am currently planning an Eagle Project in which I am building a pergola with a porch swing attached to one of the top pieces. In doing so I need to figure out if I will need a bigger piece of wood ...
3
votes
3answers
158 views

How do I calculate the weight capacity of my one side supported bookshelf (Spine Booshelf?)

I am planning on building a bookshelf as shown below. Each shelf (maple plywood) will only be supported via a dado cut into the 2x4 (SPF pine), and glued. I am currently planning on cutting 3/4" ...
0
votes
1answer
101 views

Weight capacity for 3/4" plywood curvy board

We built Montessori curvy plywood balance boards. They are 36" x 11" deep by 3/4" thick. They are made of 3 layers of maple veneer plywood. I'm unsure of the exact classification of the ...
1
vote
1answer
205 views

Is this desk structurally secure?

I've built my first desk using IKEA Adils legs and a worktop I bought and had custom-cut. It is: European Walnut Depth: 40mm Width: 2900mm Length: 620mm Being supported by an Alex drawer on the right-...
3
votes
2answers
532 views

Will my table top hold 300 lbs?

I have never made anything out of wood before. This is all new to me. I want to build a computer desk table top. My goal is to just make the table top right now and then purchase some electric legs ...
3
votes
0answers
87 views

Height-adjustable base for monitor

I want to build a wooden base for a PC monitor which I can elevate or lower infinitely variable. The height of the base/platform should be between 5cm and 10-12cm. What kind of mechanism can I use? ...
3
votes
1answer
1k views

How many 6mm dowels to support a shelf of a given weight?

I’m building a bookshelf out of MDF (18mm thick) using 6mm dowels (Silverline brand like the dowelling jig). Each shelf will be dowelled in place at the back and on both sides. I’m concerned about ...
3
votes
1answer
156 views

What Screw Should I Use For Fasten a 3/8th Steel Flat To A 4x4?

I have a project where I will be screwing some 11" strips of 3/8th flat steel (this one right here https://www.lowes.com/pd/Steelworks-4-ft-x-2-in-Hot-Rolled-Weldable-Steel-Slotted-Metal-Flat-Bar/...
2
votes
1answer
80 views

Triple bunk bed design safety and difficulty

pdf link to plan I am planning to build this triple bunk this weekend. I plan to add “cleats” (not sure if this is the correct word) in the form of 2inx4in’s between the sections, on the inner side ...
0
votes
2answers
251 views

Is this shelving wall mounting idea stupid?

I am quite an amateur when it comes to woodworking, but I am very pragmatic and have done as much research as I can think to do so I don't mess anything up. But I can't really find anything to suggest ...
2
votes
0answers
240 views

How can I figure out how much weight this span could support?

I'm designing an outdoor bench. It will be made out of 1in plywood and pressure treated 2x4s. I'm wanting an 8ft length (give or take). The seat will be 7 2x4s. Can I get away with an open span? or do ...
1
vote
1answer
472 views

Canopy bed frame design supporting a suspended adult?

I'm in the process of designing a canopy bed with a few kinky features. Most of them aren't too problematic, but I lack the knowledge about structure and weight support to calculate this: I want a ...
1
vote
2answers
10k views

How to increase maximum load capacity of a table?

I've never worked with wood before but would like to create my very first desk. Please let me know if this is a good idea and how to improve upon it! I plan to get a cheap desk from ikea: http://m....
4
votes
1answer
445 views

Can I enlarge this wood rack without beefing it up?

I'm going to build this firewood rack, but I want to enlarge it and make it 8 feet wide and 54 inches high. It's all stock 2x4 material. Considering the increased load it's going to be carrying, will ...
1
vote
1answer
1k views

How much weight can this stand hold? [closed]

I got this stand from a friend of mine years ago. Its unbranded. I want to use it to hold a 55 to 75 gallon fish tank which can weigh 456 pounds to 622.5 pounds. How much weight can this stand hold ? ...
1
vote
1answer
150 views

For a kid's balance beam, which way should the grain face?

I made a wood balance beam for my daughter out of a fir 4x4 and some compression joints. Which direction should the grain be? Should the grain run parallel or perpendicular to the top of the beam?
2
votes
1answer
261 views

Convert a minimalist bench design into a desk

I saw this tutorial and I really want to build it for a workspace area at my job. The measurements of this bench were 16″ high x 40″ long x 13.5″ deep, but I'd like to make a table that's 29" high x ...
3
votes
2answers
2k views

Weight bearing for a loftbed and wood only joints

I'm planning on making a loft bed, and I now got a plan and I'm working on the details. The measurements I'm going for is 1700(start of the top beam)x1700x2100mm. The main beams are 98x98mm, middle ...
3
votes
1answer
154 views

Load Bearing Weight Capacity of a 3/4" x 3/4" Wood Molding?

I'd like to custom install Ikea PAX sliding doors into my existing closets, recessing them into the closet opening. My idea is to create a custom "frame" simulating the Ikea closet frame onto which ...
3
votes
2answers
9k views

What is the minimum thickness of plywood needed to support an adult on a 38" span?

I have in the past dispensed with a box spring and used 1/2" plywood to almost completely cover the mattress base. The advantage is that the mattress has uniform support and never shows the dents from ...
12
votes
1answer
3k views

How do I calculate the weight threshold for plywood boxes/cabinet carcasses?

How do I calculate the weight threshold for cabinet carcasses based on the dimensions, material (e.g., plywood, mdf), and material thickness? Has someone already worked out a nice formula that I can ...
18
votes
5answers
51k views

How can I determine the load capacity of a simple bench?

I'm new to woodworking and I'm in the planning phase of making a bench like the one pictured below. I'm planning on storing very heavy boxes on this and would also like to use it as a stool to reach ...