Questions tagged [strength]

Use for Questions where the strength of the materials and/or the overall design is of primary importance.

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7
votes
3answers
2k views

Endgrain screw withdrawal force

The engineering toolbox has a screw withdrawal strength calculator but it assumes the screws are perpendicular to the grain. I could not find a calculator for screws installed parallel to the grain, ...
5
votes
1answer
293 views

Should I orient the cupped sides toward each other when laminating boards?

I'm making a replacement press plate for a small apple press using some edge glued oak boards from a hardware store. The board was flat as purchased, and after acclimating to my shop conditions ...
11
votes
3answers
591 views

Make a bunk bed

I decided to make a bunk bed for my room as it is small and I need a desk. I'm a beginner at woodworking and I need some help. I have made some "plans", I will put 7x2m stakes, 4x1.40m each around ...
4
votes
1answer
614 views

How to make bottom for a big drawer?

I'm making a set of amateur under-bed "drawers" from scrap. Nothing fancy, just re-using materials from old closet. This is my first project of such scale. There are intended to be 3 quite large ...
2
votes
1answer
124 views

Carving a wooden handle - any rules of thumb?

I am carving a box with a pin-hinge lid out of a spalted japanese maple branch. The branch had an egg shaped cross section, so there is a ridge running down one side of the box. I am considering ...
12
votes
3answers
24k views

Is there a reference for how much weight a dowel rod can support before breaking?

I realize I am still in the beginning phase of designing this but I want to make a guitar wall hanger. The design as is will be a simple base plate (either plywood or 1x dimensional lumber) with 2 ...
7
votes
5answers
5k views

Using softwoods for bench tops

As most of the regulars know I work with a lot of whitewoods. Pines mostly that come from pallets and what not. I recently made a workbench from an old door but it was hollow inside so I plan on ...
6
votes
1answer
436 views

Make a bunk bed v2

I decided to make a bunk bed for my room as it is small and I need a desk. I made a first design in this thread Make a bunk bed But I realised that all the strength would be on the angle brackets ...
4
votes
3answers
5k views

Where should the trademark be placed on a baseball bat?

As a kid during the days of Little League (my last close contact with baseball), we always admonished one another not to hit the ball on the trademark of the bat. You'll break it! Well, ...
2
votes
3answers
2k views

How Much Weight Can a 1inch x 11inch Dowel Hold/Support?

I am asking about the 6416U 1 in. x 1 in. x 48 in. Hardwood Round Dowel they sell at Home Depot. I plan to join 3 4x4s and use the middle one as a swivel, the middle one will be under load and the 2 ...