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{{Era|GOO}}
{{Status|Canon}}
{{Ratings}}
{{Disambig header|Covenant starship engines|the gravity manipulation technology|anti-gravity technology}}
[[File:CCSCruiser.jpg|thumb|right|The Repulsor engines of a [[CCS-Class Battlecruiser]].]]
[[File:H3 TsavoHighway BattlecruiserEngines.jpg|thumb|300px|The ''Gablien''-pattern repulsor engines of a battlecruiser.]]
A '''repulsor engine''', also referred to as a '''repulsor drive''', is a diametric drive used by [[Covenant]] ships for sublight navigation,{{Ref/Book|Id=wf92|HWF|Page=92}}{{Ref/Book|Id=Enc22|Enc22|Page=223}} configured for swift and agile localized transit.{{Ref/Book|HM|Page=154}}


[[Covenant Empire|Covenant]] starships use '''Repulsor engines''' for low-level propulsion. Little is known about its mechanisms, other than that they produce quantum fluctuations that can affect personnel within range of them, and they leave a wake that can affect other starships.<ref>'''[[Halo: Ghosts of Onyx]]''', page 331</ref> It's possible that Repulsor engines could be a form of "reactionless drive" that makes use of negative matter. [[wikipedia:Exotic matter|Negative matter]] would have negative mass and would have a "repulsive" effect with the normal matter if placed behind the ship.  
==Functionality and mechanics==
Repulsor engines use stacked tidal gravity generators which create asymmetrical gravity fields that push and pull a ship through space in a desired vector, all without the need for reaction mass or conventional exhaust. An extremely sophisticated application of [[Anti-gravity technology|gravitics]],{{Ref/Reuse|wf92}}{{Ref/Book|Id=wf62|HWF|Page=62-63}} these engines are powered by a ship's [[pinch fusion reactor]]s.{{Ref/Book|Id=wf70|HWF|Page=70-71}} Modern repulsor engines are finely tuned and expected to operate for years without maintenance refreshes. However, the repulsor engines on older, [[Vestige|vestigial]] [[warship]]s—such as the drives outfitted on the {{Pattern|Hekar Taa|blockade runner}} — are cruder pieces of technology, requiring constant monitoring and adjustment to operate at full power.{{Ref/Book|HWF|Page=79}}{{Ref/Reuse|Enc22}}


==Trivia==
A repulsor engine produces quantum fluctuations in its wake that are extremely hazardous to personnel and nearby vessels within its range, particularly when operating at high "thrust".{{Ref/Reuse|wf62}}<ref>''[[Halo: Ghosts of Onyx]]'', p. 331</ref> These fluctuations are capable of interfering with the operation of gravitic technologies in the vicinity of the fluctuations. Prolonged exposure to unshielded repulsor drive elements can cause neurological degradation and even psychosis in most species - something the [[San'Shyuum]] considered largely beneath their notice.{{Ref/Reuse|Enc22}}
*The name suggests a similarity to the Star Wars repulsor-lifts.
 
==Models==
[[File:HR-SDVHeavyCorvette-SideScreen.jpg|thumb|250px|''Callipoas''-pattern repulsor engines on a corvette]]
===Human===
*[[Fusion drive#XR2 Boglin Fields: S81/X-DFR|XR2 Boglin Fields: S81/X-DFR]] - Installed on the {{UNSCShip|Infinity}}.{{Ref/Book|HM|Page=132}}
 
===Covenant===
;''Callipoas''-pattern
*Four ''Callipoas''-pattern repulsor engines are installed on the {{Pattern|Ceudar|heavy corvette}}.{{Ref/Reuse|wf70}} As part of [[Operation: UPPER CUT]] during the [[Fall of Reach]], [[NOBLE Team]] and other [[FSS-1000 Sabre]] pilots disabled the four ''Callipoas''-pattern engines of the ''[[Ardent Prayer]]'' to conduct a [[Naval boarding|boarding]] action.{{Ref/Level|Id=LNoS|HR|Long Night of Solace (level)|Long Night of Solace}}
 
;''Galbien''-pattern
*Two ''Galbien''-pattern repulsor engines are installed on the {{Pattern|Ket|battlecruiser}}.{{Ref/Reuse|wf62}}
 
;''Raphyus''-pattern
*Three ''Raphyus''-pattern repulsor engines are installed on the {{Pattern|Kerel|assault carrier}}.{{Ref/Book|HWF|Page=77}}
 
==Gallery==
<gallery>
File:HE12 Infinity Exit.jpg|A ''Ceudar''-pattern with ''Callipoas''-pattern engines, confronting the {{UNSCShip|Infinity}}.
File:H4 Landfall Corvette 2.jpg|A ''Ceudar''-pattern vessel with green colored ''Callipoas''-pattern engines over [[Casbah City]].
File:H4 FUD SDV-corvette.jpg|''Ceudar''-pattern vessels with paler colored ''Callipoas''-pattern engines at the [[Corbulo Academy of Military Science]].
File:H3-AssaultCarrier-Underside.jpg|A ''Kerel''-pattern assault carrier's underbelly with ''Raphyus''-pattern engines.
</gallery>
 
==List of appearances==
{{Col-begin}}
{{Col-2}}
*''[[Halo: Combat Evolved]]'' {{1st}}
*''[[Halo: First Strike]]''
*''[[Halo 2]]''
*''[[Halo Graphic Novel]]''
*''[[Halo 3]]''
*''[[Halo Wars]]''
*''[[Halo Legends]]''
*''[[Halo 3: ODST]]''
*''[[Halo: Reach]]''
*''[[Halo: Combat Evolved Anniversary]]''
**''[[Terminal (Halo: Combat Evolved Anniversary)|Terminals]]''
{{Col-2}}
*''[[Halo 4: Forward Unto Dawn]]''
*''[[Halo 4]]''
**''[[Spartan Ops]]''
*''[[Halo 2: Anniversary]]''
**''[[Terminal (Halo 2: Anniversary)|Terminals]]''
*''[[Halo: Fleet Battles]]''
*''[[Halo 5: Guardians]]''
*''[[Halo Mythos]]''
*''[[Halo Wars 2]]''
*''[[Halo Infinite]]''
{{Col-end}}


==Sources==
==Sources==
<references/>
{{Ref/Sources|2}}
[[Category:Covenant technology]]
[[Category:Covenant technology]]
[[Category:Propulsion]]

Latest revision as of 15:48, June 23, 2024

This article is about Covenant starship engines. For the gravity manipulation technology, see anti-gravity technology.
A look at the repulsor engines on a Ket-pattern battlecruiser on the level Tsavo Highway.
The Gablien-pattern repulsor engines of a battlecruiser.

A repulsor engine, also referred to as a repulsor drive, is a diametric drive used by Covenant ships for sublight navigation,[1][2] configured for swift and agile localized transit.[3]

Functionality and mechanics[edit]

Repulsor engines use stacked tidal gravity generators which create asymmetrical gravity fields that push and pull a ship through space in a desired vector, all without the need for reaction mass or conventional exhaust. An extremely sophisticated application of gravitics,[1][4] these engines are powered by a ship's pinch fusion reactors.[5] Modern repulsor engines are finely tuned and expected to operate for years without maintenance refreshes. However, the repulsor engines on older, vestigial warships—such as the drives outfitted on the Hekar Taa-pattern blockade runner — are cruder pieces of technology, requiring constant monitoring and adjustment to operate at full power.[6][2]

A repulsor engine produces quantum fluctuations in its wake that are extremely hazardous to personnel and nearby vessels within its range, particularly when operating at high "thrust".[4][7] These fluctuations are capable of interfering with the operation of gravitic technologies in the vicinity of the fluctuations. Prolonged exposure to unshielded repulsor drive elements can cause neurological degradation and even psychosis in most species - something the San'Shyuum considered largely beneath their notice.[2]

Models[edit]

Callipoas-pattern repulsor engines on a corvette

Human[edit]

Covenant[edit]

Callipoas-pattern
Galbien-pattern
Raphyus-pattern

Gallery[edit]

  • A Ceudar-pattern with Callipoas-pattern engines, confronting the UNSC Infinity.

    A Ceudar-pattern with Callipoas-pattern engines, confronting the UNSC Infinity.

  • A Ceudar-pattern vessel with green colored Callipoas-pattern engines over Casbah City.

    A Ceudar-pattern vessel with green colored Callipoas-pattern engines over Casbah City.

  • Ceudar-pattern vessels with paler colored Callipoas-pattern engines at the Corbulo Academy of Military Science.

    Ceudar-pattern vessels with paler colored Callipoas-pattern engines at the Corbulo Academy of Military Science.

  • A Kerel-pattern assault carrier's underbelly with Raphyus-pattern engines.

    A Kerel-pattern assault carrier's underbelly with Raphyus-pattern engines.

List of appearances[edit]

Sources[edit]

  1. ^ a b Halo: Warfleet, page 92
  2. ^ a b c Halo Encyclopedia (2022 edition), page 223
  3. ^ Halo Mythos, page 154
  4. ^ a b c Halo: Warfleet, page 62-63
  5. ^ a b Halo: Warfleet, page 70-71
  6. ^ Halo: Warfleet, page 79
  7. ^ Halo: Ghosts of Onyx, p. 331
  8. ^ Halo Mythos, page 132
  9. ^ Halo: Reach, campaign level Long Night of Solace
  10. ^ Halo: Warfleet, page 77
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