Dart Physics...
#1
Posted 15 September 2004 - 08:16 PM
If you have a knife, and you throw it, without any spin, it won't go as far as if you took the knife and spun it at something. Now, theoretically if you have a nerf dart that spins in that fashion, shouldn't it go farther then the current style of bullet?
So theoretically, if I created a gun that spun the dart (which we currently try NOT to do, by putting weight only on one end), wouldn't it go farther. Perhaps not levelled, but for an angled shot? Why don't we have guns that shoot in this fashion?
Something doesn't seem to make sense about this, but I can't really place it. Is the reason for not building one that shoots in this fashion due to mechanical complexity? I see that accuracy would go down, but not by a HUGE amount...
(Wow I managed to get through that without many typos...kudos to me)
AA
#2
Posted 15 September 2004 - 08:34 PM
#3
Posted 15 September 2004 - 08:48 PM
I hope I got the point across.
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#4
Posted 15 September 2004 - 08:51 PM
If you mean throwing verticly(sp?) if you spun it it would give it a forward spin that creats high pressure on the bottom and low pressure on the top therfore causing the knife to stay up longer in the air, although I don't think that was what you were intending. if you were meaning rifling I don't really see how it would affect the range that much because it just counterbalances air pressure by spinning therfore creating equalibrium.If you have a knife, and you throw it, without any spin, it won't go as far as if you took the knife and spun it at something. Now, theoretically if you have a nerf dart that spins in that fashion, shouldn't it go farther then the current style of bullet?
EDIT: I read your post again and now I understand it, but even though that would make the dart shoot alot farther, we couldn't make the dart do that and we couldn't stop the dart from spinning sideways after leaving the barrel.
Edited by FIDO, 15 September 2004 - 08:57 PM.
"if anyone gives you shit about being a geek, just remind them that all their bases are belong to you." -Talio
#5
Posted 15 September 2004 - 09:23 PM
Call me NSF
N erf
S pecial
F orces
#6
Posted 15 September 2004 - 09:50 PM
Although that creates more drag it also grabs more air for creating high pressure on the bottom side of the dart.Remider: Foam are affected by the dart being slowed down due to gravity and air way more than a knife.
"if anyone gives you shit about being a geek, just remind them that all their bases are belong to you." -Talio
#7
Posted 15 September 2004 - 10:11 PM
You can poop in my toilet anytime champ.
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#8
Posted 15 September 2004 - 10:14 PM
It's not the rotation of the knife that gets better distance, it's the mechanics of that type of throw. Not only is a 'spear-style' throw less natural and slower, but in a rotating throw you actually gain speed from whipping the knife's center of gravity past your hand as you release.
Doesn't apply to nerf darts.
Re: spin, that applies to spheres. Ballguns anyone?
#9
Posted 15 September 2004 - 11:04 PM
#10
Posted 16 September 2004 - 10:40 AM
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#11
Posted 16 September 2004 - 11:59 AM
THIRST
#12
Posted 16 September 2004 - 04:38 PM
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