Difference between revisions of "Backbone Hub"

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[[Image:BBH.png|thumb|right|An example Backbone Hub]]
 
[[Image:BBH.png|thumb|right|An example Backbone Hub]]
A backbone hub (BBH) is the largest type of [[Guides:Glossary:Hub|Hub]] that is built in #OpenTTDCoop. It usually consists of at least 3 cardinal directions of [[Guides:Glossary:Mainline|mainline]] Track, and is also usually [[Guides:Glossary:Load_Balancing|load balanced]] as well. More information on backbone hubs including building them is in the [[Guides:Mainline_Junctions|Mainline Junctions]] guide.
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A backbone hub (BBH) is the largest type of [[Guides:Glossary:Hub|Hub]] that is built in #OpenTTDCoop. It usually consists of at least 3 cardinal directions of [[Basic_Networking#Mainline (ML)|mainline]] Track, and is also usually [[Guides:Glossary:Load_Balancing|load balanced]] as well. More information on backbone hubs including building them is in the [[Guides:Mainline_Junctions|Mainline Junctions]] guide.
  
 
== Function ==
 
== Function ==
  
A BBH connects [[Guides:Glossary:Mainline|mainline]] segments to each other, most often in [[Junctionary_-_4-Way_BBH|4-way]] or [[Junctionary_-_3-Way_BBH|3-way]] junction patterns.
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A BBH connects [[Basic_Networking#Mainline (ML)|mainline]] segments to each other, most often in [[Junctionary_-_4-Way_BBH|4-way]] or [[Junctionary_-_3-Way_BBH|3-way]] junction patterns.
  
 
== Requirements ==
 
== Requirements ==

Revision as of 00:05, 23 October 2009

An example Backbone Hub

A backbone hub (BBH) is the largest type of Hub that is built in #OpenTTDCoop. It usually consists of at least 3 cardinal directions of mainline Track, and is also usually load balanced as well. More information on backbone hubs including building them is in the Mainline Junctions guide.

Function

A BBH connects mainline segments to each other, most often in 4-way or 3-way junction patterns.

Requirements

A BBH must be:

  • Balanced - ie: each lane entering the BBH should be able to choose any lane leaving the BBH
  • Efficient - Trains should not have to slow down
  • Properly sized for the highest length trains in use
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