Comparison of OO OAA/ OBA 'Bass' & 'Squid open models

Hornby OO OAA/ OBA 'Bass' & 'Squid open Bachmann Branchline OO OAA/ OBA 'Bass' & 'Squid open Rapido Trains UK OO OAA/ OBA 'Bass' & 'Squid open
Manufacturer Hornby Bachmann Branchline Rapido Trains UK
Year model introduced 1979 2006 2023
DCC Capability Unpowered Unpowered Unpowered
Bodyshell
Bodyshells represented (of Prototypes)
OAA wagon - low ends Yes
No Yes
OBA wagon - high ends No Yes
No
OBA wagon - low ends No Yes
No
Detailing
Bodyshell - factory-fitted separate details
Bodyside doors No No Yes
Door handles No No Yes
Lamp irons No Yes
Yes
Chassis/underframe detail
Air tank No No Yes
Brake rigging chassis No Yes
Yes
Handbrake wheel/ lever No No Yes
Cab, footplate & interior detail
Detailed & painted No No Yes
Wheel "aesthetics"
Chemically-blackened No No Yes
Finescale No No Yes
Nickel-plated No Yes
No
Bufferbeam detail (pre-fitted)
Cosmetic coupling - hook only No Yes
Yes
Sprung buffers No No Yes
Bufferbeam detail (in detailing pack)
Pipework (for front) No No Yes
Pipework (for rear) No No Yes
Mechanical
Body Construction Plastic
Plastic
Plastic with metal parts
Chassis construction No Lightweight
Plastic & metal
Loco-driven wheels (number of) No No None
Minimum radius No Radius 2
Radius 2
Coupling socket/mounting
Fixed Yes
No No
NEM pockets No Yes
Yes
Coupling type Tension lock
Tension lock
Tension lock
Weighting (to assist adhesion)
Within chassis Yes
Yes
Yes
Separating the body from the chassis Body clips off from chassis
No TBC
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