I assume that its gravity center is within the rear half of the weight, such that the component of the force in opposite direction of the screws is low and the main component is downwards. E.g.Thanks fresh_42,
This uses L-shaped
View attachment 227810
I don't know what a "reverse" L-bracket is. Your pictures show a reinforced L-bracket and a non-reinforced L-bracket, so the answer to the question of which one is stronger seems kind of obvious, no?L or reverse L is of more supporting force if all things being equal?
It depends upon what you mean by "stronger'. If you are talking in terms of ability to support a similar load using the same screws at the same points in the wall, the forces on the screws would be identical (as long as the unsupported l is strong enough not to deform and as long as the weight of the bracket can be ignored).L or reverse L is of more supporting force if all things being equal? Why?
IMO, they are the same to within a few percent. If I understand what you are calling "reversed" (whether the letter "L" is upright or upside-down when viewed from the side), then the only consideration is whether you can cut slots in the shelf to accommodate the brace for the "upright L" version of the bracket.Thanks for the replies!
Sorry, make the questions more clear: which one is more supporting for the same heavy load?
Q1. A: naked L bracket vs B: reverse naked L bracket
Q2. C: braced L bracket vs D: reverse braced L bracket
Thank you so much!!
decreasesBut the top most screw of an L design is equally at risk. The reverse L can be improved by a longer leg. A longer leg of an L design only increases the lever.
You can pretty much "tell' how strong a bracket is, just by looking or trying to flex it with your own strength. What the wall or fixings can take is more a matter of faith. Using all of the available screw holes in the bracket is a wise move if in doubt. A redundant structure gives confidence. One fixing is bound to end up in a weak mortar joint in a brick wall.decreases
A longer vertical of a hanging bracket decreases the leverage the load has on the screw, and for most home installations it's the weak strength of the wall as anchor for a screw that is the point of failure.
Yeah, right. What I meant was that the radius is larger and so the direction of the force on the screw is greater in its horizontal direction. To me the whole question is, how much force is supported by the wall in contrast to the screw. And that's why I favor the ##\lceil## because the wall beats the screw (I think - I should draw another picture though).decreases