Die größten Psioniker der Galaxis!!! (Storyline)

kurz zu den Tau: der meiste Fluff zu deren Raumfahrt stammt aus BFG. Demnach ist es so das sie Warpantriebe bauen können (das ist technisch nicht so das Ding, selbst eher primitive Völker wie die Kroot bekommen das hin). Die Sache ist nur die, das es ohne entsprechende Psi-fähigkeiten (die Navigatoren bei den Imps) quasi so ist als sitzt man blind und taubstumm (bzw. ohne jede Form von Wahrnehmung) in einem Schiff auf dem Ozean. Um das zu umgehen "wechseln" die Tau nicht in den Warpraum, sondern machen kurze "Sprünge" an der Grenze zwischen War und Realität. Das wird verglichen mit einem Stein den man über die Wasseroberfläche springen lässt. Aber eben sind Geschwindigkeit und Reichweite extrem eingeschränkt gegenüber echtem Warp-Flug.

Nebenbei: Tau müssen Warp-fähig sein, denn insgesamt kennt das 40k Universum nur 3 Möglichkeiten zur Interstellaren Fortbewegung: Warp, das Wegenetz der Eldar (eigentlich auch Warp) sowie die Necrons die tatsächlich so etwas wie einen relativistischen (Lichtgeschwindigkeit) Antrieb haben.

Laut einem englischen Wiki wurde das mit dem aktuellen Codex (oder Supplement) geändert das sie doch keinen Warp Antrieb haben (kannte nämlich auch das mit den Sprüngen). Und das sie jetzt erst mit der letzten Expansion welche vom Imperium ergattern konnten.

Zu den Kroot, die sind nicht Primitiv, die hatten eine Hochtechnologische Gesellschaft und auch sehr Fortschrittliche Technik. Haben sich jedoch entschieden wieder den Ursprünglichen Weg zu gehen und ihre Technologischen Schätze in Speziellen Bunkern etc versteckt wo sie gewartet und bewacht werden.
 
Da dürfte sich nix geändert haben, war ja nie "richtiger" Warp, sondern immer so nen crossover:

The Tau Empire has only expanded into spaceduring the last thousand years. Despite this they
have made remarkable progress in developing
both civilian and military starships, and have now
reached a level where their ships can be
compared to Imperial designs.
The development of the Tau fleet (known as the
Kor’vattra in Tau) has been given the highest
priority by the Ethereal Caste. Without the
Kor’vattra the manifest destiny of the Tau could
never be realised and as a species their existence
would be at the mercy of celestial phenomena
such as meteors or supernova.
Once unified by the Ethereal Caste the Tau made
incredible technological progress. By M39 they
had spread through the T’au system and ringed
their homeworld with orbital research and
manufacturing facilities. Further expansion
required a drive system capable of spanning
interstellar distances however and this proved to
be a formidable barrier.
Tau vessels already used a form of gravitic drive.
This projected a sheath of gravitic energy ahead
of and around the vessel which was continually
re-projected further ahead, drawing the ship
behind it rather like an archaic sail. For two
hundred tau’cyr the Water Caste grappled with
the problem only for the breakthrough to be
handed to them.
On the innermost of T’au seven’s moons a
routine geological survey discovered the remains
of an alien vessel. The significance of the find did
not disrupt Tau society as much as might have
been expected. Tau theorists had long reasoned
that other life forms existed and the verification
helped confirm the belief that there was a greater
destiny awaiting them. No Tau commented on
the sheer good fortune of finding the technology
that they so desperately needed on their
doorstep just when they needed it.

The Tau were able to duplicate the warp drive of
the alien ship but the initial test flights were
disastrous. Achieving transition to the Warp
required more than technology, it required
psychically attuned minds and the Tau race
boasted no psykers. Without them to guide the
transition no amount of power could breach the
dimensional barriers. The best the Tau could do
was make a partial transition, forcing
themselves into the void that separated
Warpspace and real space before they were
hurled out again like a ball held under water
then released.
Data gathered at great cost during the test
flights was studied closely. The Water caste
scientists made the observation that the
boundary between real space and warp space
was not a neat line. It was closer to being a
turbulent ocean fomented by the tempestuous
warp tides below. By carefully angling their
descent toward the Warp and extending the
field generated by the gravitic drive into a wing,
shaped to hold the vessel down a Tau vessel
could extend the duration of the dive
considerably. The speeds achieved in the ascent
back to real space were staggering and this
coupled with the effect of the Warp on time and
space ensured that the real distance covered by
the dive was immense. Early tests lost several
drone ships because they inadvertently passed
far beyond the sensor range of their recovery
vessels.
The details were soon resolved. There was still
a major constraint, only the most powerful (and
bulky) drives could sustain the gravitic wing
throughout the dive and the power drain meant
that considerable recharge time was needed
between dives. Also by comparison to actually
navigating the warp the pace was still very slow.
Taking typical Imperial Warp speeds the Tau
drive was slower by a factor of five. The speed
was consistent though, did not expose the Tau
to the perils of the Warp and enabled the Tau to
expand beyond their home star for the first
time.
The first major class of Starships built were the
ponderous Gal’leath (trans. Explorer). These
leviathans laid the foundations for the Tau
Empire and formed the basis of the Kor’vattra
for its first wars with the Orks and the Niccassar.
The Niccassar were less advanced than the Tau
and after their speedy defeat were one of the
first other races absorbed into the Empire. The
Orks however posed a major problem. Their
ships were faster, better shielded and more
heavily armed. Against such a dangerous enemy
the Gal’leath class was simply too expensive a
resource to risk. Fortunately new, more
compact gravitic drives led to the introduction
of the smaller Il’fannor (trans. Merchant) class.
To counter the numerous Ork escorts the Tau
developed their own Kass’l (trans. Orca)
gunships. The Tau were slow to build a gravitc
drive with sufficient power for Warp dives small
enough to create an independent escort so the
Kass’l would travel inside a larger vessels
gravitic sheath over long distances, disengaging
when back in normal space. This combined
with the introduction of super-heavy ion
cannons and barracuda fighters helped restore
the balance, but it was the power and efficiency
of the Tau shipyards that prevented the Empire
from being devastated.