Codex: Tau, pg. 19, 'Tau Weaponry' wrote:Pulse Rifle, Pulse Carbine or Burst Cannon
All three weapons are variants of the same technology. An induction field is used to propel a particle. The particle reacts by breaking down to create a plasma pulse as it leaves the barrel. The burst cannon is a multi-barrel version of the carbine able to sustain high rates of fire but lacking the grenade launcher. The pulse carbine sacrifices range for portability and the chance to mount an underslung photon grenade launcher.
Imperial Armour Volume Three: The Taros Campaign, pg. 80, 'Tau Fire Warrior - 3. Pulse Carbine' wrote:The weapon generates an induction field which is used to propel a particle. The particle reacts to the field by breaking down into a plasma state (referred to as a pulse).
Harkus959 wrote:Thanks for the extra info, always good to know.
I do find it strange how much overlap there is between supposedly "different" weapon types. Like, plasma, melta/fusion, and pulse, all operate by firing what is essentially superheated gas. Pulse weaponry is technically rail weaponry too, since it uses magnetic induction to propel those pulses, and requires solid slug ammunition. even though unlike other rail weaponry, it does not fire them as solid slugs.
Looking at it all, it's like they have three or four mechanics to work with, and they just attach different names to the same things for different factions.
I'm pretty sure you could classify all weapons in 40K as either solid slug (bolt weaponry, autoguns and stubbers, shurikens, missiles, rail weaponry, tyranid bio-weapons, okay maybe there's still variety within these classifications XP), superheated gas (plasma, melta, fusion), or pure energy (las and lance weaponry, ion weaponry, volkite weapons, sonic weapons).
Pulse weaponry and starcannons both seem to mix plasma-style projectiles, with magnetic induction railgun style propulsion methods.
Of course, this is a huge simplification, and there is definitely plenty of variety. I kind of changed my stance halfway through this post, so it probably sounds a little schizo.
TauMan wrote: FYI one of the things they assert is that there is considerable recoil when firing the weapon. This is not correct as there is no chemical reaction in this process and therefore no recoil. That is no expansion of gasses propelling the round down the barrel.
SinisterSamurai wrote:TauMan wrote: FYI one of the things they assert is that there is considerable recoil when firing the weapon. This is not correct as there is no chemical reaction in this process and therefore no recoil. That is no expansion of gasses propelling the round down the barrel.
There is no explosive force acting on the barrel, but whatever force being produced by the gun to propel the particle will equally push back against the weapon. Even magnetic railguns have recoil. Not even xenos can deny Newton without a proper sci-fi handwave.
Arka0415 wrote:I love how the do-railguns-have-recoil question pops up all over the place. So I guess Pulse Rifles, too, would have recoil then?
Kakapo42 wrote:Arka0415 wrote:I love how the do-railguns-have-recoil question pops up all over the place. So I guess Pulse Rifles, too, would have recoil then?
The general consensus seems to be that they would in theory. However, when it comes to recoil the Tau have an ace up their sleeve in the form of those round gyros at the end of the barrel, which are generally believed to be some kind of anti-gravity based stabiliser/recoil compensator (inertial dampener is a commonly used term) that eliminates almost any recoil force the weapon generates, resulting in no noticeable effect to the firer. Combined with the advanced targeting systems found on the gun-sight and Firewarrior helmet, this makes Tau weapons extremely accurate.
Arka0415 wrote:Off-topic question for the physicists and hunters out there, do crossbows have recoil?
Kael'yn wrote:Arka0415 wrote:Off-topic question for the physicists and hunters out there, do crossbows have recoil?
Any launcher that throw mass at some speed have recoil. It's the momentum conservation principle:
If you launch in one direction a m1 mass to a v1 speed, the launcher of mass m2 will have a v2 speed on the other direction (recoil), with the equality m1 x v1 = m2 x v2.
So the tiniest mass you lauch/the heavier launcher you have, the smallest recoil you get.
To be more precise, shooting light also produce recoil because energy is tied to mass with E=mc², but because the mass equivalent of a high energy laser beam is very tiny, the recoil is very small (Crooke radiometer works under this principle).
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