17
votes
Accepted
Would this TV stand made almost entirely of 3/4 in birch plywood withstand the load?
If you build this right I think you could safely park a motorcycle on top of it. And no, I'm not exaggerating. A (very large apparently!) TV and soundbar should not pose any risk whatsoever.
As ...
- 67.3k
8
votes
Would this TV stand made almost entirely of 3/4 in birch plywood withstand the load?
3/4" plywood is VERY strong. I have some on a shelf in my shed holding my turning wood, I used full 4'x8' sheets and I have several hundred pounds on it. no dipping. I also have some 1/2" ...
- 16.1k
6
votes
Accepted
Can I enlarge this wood rack without beefing it up?
Firewood stacks pretty well, so there shouldn't really be any load acting sideways on the upright supports, even with a much wider (longer?) rack. Additionally, you're only making it taller by about 5 ...
- 2,622
5
votes
Accepted
How to determine drawer weight capacity?
Is the Sagulator a reasonable way to figure out drawer weight capacity?
No.
Does a glued dado count as 'fixed ends'?.
If you glue in yes, but the dados front and back change things completely.
You ...
- 67.3k
4
votes
Accepted
Weight bearing for a loftbed and wood only joints
I see three inherent weaknesses, two of which critically compromise the strength of the bed. I'd suggest looking at commercially-produced solid wood bed frames for some design ideas (don't look at ...
rob♦
- 18.8k
4
votes
Weight capacity - TV Stand
Without on-site testing, it might be a challenge to make a guess.
How do you feel about the floor being able to manage the weight?
Measure the width and length to get square meters or square feet and ...
- 2,994
3
votes
Accepted
How to use Sagulator for Sofa / Bed?
The weak point is the front, in the middle of the sofa (and correspondingly, the middle of the bed on the seam). You could fix the sofa with lumber on edge underneath the ply, but that doesn’t fix the ...
- 4,161
3
votes
Pull-Up Bar - Wooden dowel - 1.25" actual diameter
I don't know how to calculate it, but it passes the sniff test when compared to parallel bars used in gymnastics: These are made of (unspecified) wood, are 11.5ft long and 2 inches thick. They are of ...
- 3,948
3
votes
How do I calculate the weight capacity of my one side supported bookshelf (Spine Booshelf?)
Your design raises some interesting issues and requires additional consideration for connections. Each shelf is supported at only one location and the actual load on each shelf is not the only ...
- 8,484
3
votes
Weight bearing for a loftbed and wood only joints
Rob's concerns are important. When you calculate the load that the main beams will carry you must ignore the depth of the notches and calculate the sag/load based only on the depth of the continuous ...
- 8,484
3
votes
Accepted
Canopy bed frame design supporting a suspended adult?
What you have described is a swingset with a mattress connected below.To design this hybrid fabrication you must first consider each function separately. For the swing, consider the designs for ...
- 8,484
3
votes
Accepted
How to increase maximum load capacity of a table?
First of all, the 110 pounds they say for that desk almost certainly is being very conservative, it will probably actually hold at least twice that. That being said, we can look at the ways it can ...
- 8,054
3
votes
Load Bearing Weight Capacity of a 3/4" x 3/4" Wood Molding?
While your concept can certainly work, there are several considerations that will help it perform well.
Wood species. A softwood is not nearly as strong and will be more prone to splitting ...
- 8,484
3
votes
Accepted
How much weight can this stand hold?
I would not recommend using this table for a fish tank. There are too many potential sources for failure.
If the tank rests upon the 3/4" top instead of extending to the width and length of the ...
- 8,484
3
votes
Accepted
For a kid's balance beam, which way should the grain face?
You want the grain/growth lines to be oriented vertically to maximize strength. Most 4x4 posts will have curved annual growth lines. Choose the orientation that is most vertical. As a caution, note ...
- 8,484
3
votes
Making a modern chaise on two cylinder legs stability issues
There's a few things going on that will make this feel less stable.
First, and I'm not 100% sure about this, so possibly ignore, but it looks like in copying the design, you've stretched the main deck ...
- 4,161
3
votes
Making a modern chaise on two cylinder legs stability issues
The design and construction is inherently unstable.
You would do better to remove the 1x material and build the platform with two or three layers of plywood laminated together using glue and screws. ...
- 1,569
3
votes
Accepted
Increasing the weight capacity of a meek table
I recommend that you keep shopping and find a table that is designed to support your required weight.
The boards used in the table are made to a thickness and of a material type that have been given a ...
- 641
2
votes
Accepted
Convert a minimalist bench design into a desk
Are any structural concerns with making the table this long?
No. Even with a top much thinner than you're going to end up with you can have a >100" span.
Would the table need to be reinforced ...
- 67.3k
2
votes
How can I determine the load capacity of a simple bench?
You can always take the Calvin & Hobbes approach!
- 525
2
votes
Accepted
What Screw Should I Use For Fasten a 3/8th Steel Flat To A 4x4?
I would like them to lay flush against the steel flats
This will be the role of countersinks you make in the steel rather than determining what screw to use. Note however that if you decided to use ...
- 67.3k
2
votes
Accepted
How do I calculate the weight capacity of my one side supported bookshelf (Spine Booshelf?)
How do I go about figuring out how much weight each shelf can support?
Based on what follows this becomes sort of irrelevant, but if you did want actual numbers the only way I can think of ...
- 67.3k
2
votes
Accepted
Weight limit of IKEA Lagkapten/Alex desk
I think this should be fine, but as mentioned in the Comments you'll want to assess for yourself.
While the knockdown fasteners that Ikea use here are not noted for being a super-strong way to put ...
- 67.3k
2
votes
Screw Placement for Wall Hung Top Cabinet
In very general terms, for the best support, you'll want the fasteners to attach to the studs in the wall. If you have to shift the location of them to achieve this, as is suggested by your second ...
- 1,569
2
votes
Accepted
Screw Placement for Wall Hung Top Cabinet
The difference between the two placements is torque. In diagram 1 all forces act downwards (at least the ones that matter, there might be other components to it, but these are negligible). All weight ...
- 281
2
votes
Input sought on sturdy design for a storage + seating bench/seat
There are 3 things I would consider for this type of structure.
Will the seat hold the weight without bending too much?
You can use this calculator to select appropriate material and thickness: https:/...
- 564
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