Cab Forward
E675994
Cab Forward is a distinctive steam locomotive design in which the engineer’s cab is placed at the front of the engine, ahead of the boiler, to improve crew visibility and reduce smoke exposure.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
locomotive configuration
ⓘ
steam locomotive design ⓘ |
| associatedWith |
articulated steam locomotives
ⓘ
mountainous railroad routes ⓘ railroads with extensive tunnels and snow sheds ⓘ |
| category |
railway safety-related designs
ⓘ
steam locomotive innovations ⓘ |
| contrastsWith | conventional steam locomotive cab-behind-boiler layout ⓘ |
| designedToAddress |
crew asphyxiation risk from exhaust gases
ⓘ
poor forward visibility from traditional cab placement ⓘ smoke accumulation in snow sheds ⓘ smoke accumulation in tunnels ⓘ |
| hasAlternativeName | cab-ahead locomotive NERFINISHED ⓘ |
| hasCabPosition |
ahead of the boiler
ⓘ
front of the locomotive ⓘ |
| hasDesignFeature |
boiler located behind the cab
ⓘ
engineer’s cab placed in front of boiler ⓘ reversed conventional locomotive layout ⓘ smoke stack located behind the cab ⓘ |
| hasDrawback |
complex mechanical linkages between cab and engine components
ⓘ
higher design and maintenance complexity ⓘ unusual weight distribution compared to conventional designs ⓘ |
| hasOperationalAdvantage |
better forward line of sight for engineer
ⓘ
improved crew comfort in harsh operating environments ⓘ reduced smoke and fumes in crew compartment ⓘ |
| hasPrimaryPurpose |
improve crew visibility
ⓘ
reduce heat exposure for crew ⓘ reduce smoke exposure for crew ⓘ |
| hasSafetyBenefit |
reduces crew exposure to smoke and exhaust gases
ⓘ
reduces risk of crew suffocation in confined structures ⓘ |
| hasVisibilityBenefit |
improves ability to see track conditions ahead
ⓘ
places crew closer to front of train ⓘ |
| historicalUsagePeriod | early 20th century ⓘ |
| influencedBy | operational need to protect crews from smoke in long tunnels ⓘ |
| influencedDesignOf | later crew-safety-focused locomotive layouts ⓘ |
| lessSuitedFor | coal firing due to cab-forward arrangement ⓘ |
| notableUser | Southern Pacific Railroad NERFINISHED ⓘ |
| requires |
extended control linkages from cab to valve gear
ⓘ
revised placement of controls and gauges ⓘ special arrangement of boiler and running gear ⓘ |
| typicalFuelType | oil ⓘ |
| usedOn |
steam locomotives operating in long tunnels
ⓘ
steam locomotives operating in snow sheds ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.