Spyke
sopuli.xyz

Also if you need your arrows to land all at the same time so you can fool the enemy into thinking you are many archers fire like this.

60
Tjareply
programming.dev

Bottom projectile is traveling at a normal speed, just fired last.

12
pawb.social

Then the distance must be almost zero, as it exhibits no drop over that range.

29
Cawifrereply
lemmy.world

That might have something to do with this being a chart for powered missiles.

24

I’m over here with some popcorn as nerds debate the project motion of a hypersonic missile named “arrow” and shit.

17
FishFacereply
piefed.social

The diagram is about normal unpowered shells. They use different amounts of propellant to achieve different projectile speeds

4
Cawifrereply
lemmy.world

Y'know, I think you're right. That gray bit looks like the tank barrel. I mistook that as part of the projectile path, and I misinterpreted the overall design as a missile battery.

3

It's easier to just refer to "multiple round simultaneous impact" than to try to explain succinctly, especially since I already got the term kinda wrong (time on target is more of an umbrella category/earlier version)

2
programming.dev

Did nobody else notice that they’re pointing the bow lower than 45° but the line is drawn slightly upwards up compensate?

52

If you keep falling short, cheat. Or if you keep falling short, your rich parents will prop you up.

So inspiring.

25
lemmy.world

In a frictionless vaccuum 45° would be max range.

27

Unless you use modern artillery. Then you want to aim even higher because at those ranges/heights it's beneficial to reach less dense air layers quickly.

15
lemmy.ca

The optimal launch angle would only be 45 in a vacuum. It'll be lower if you're on Earth where there's air resistance.

12

Yeah, that's why try multiple times and aim higher every time until 45°
Once you reach that, if you are still falling short, you know you have no chance, unless you increase the launch speed.

Of course, you can try to properly calculate drag for each projectile and set that as the maximum, but it's fine for a one-off, assuming you have enough arrows to try again.

3

And if you still can't reach it, ask your god or gods for help,
as it's beyond the reach of Mr Newton or even Herr Leibniz.

3
IninewCrowreply
lemmy.ca

Unless you can achieve a certain amount of force .... then you can get a stable orbit around the planet

4

You reached the end