Comparison of OO 4-6-0 Class 6P Royal Scot LMS models


Manufacturer	Mainline	Airfix GMR (Great Model Railways)	Wrenn	Mainline	Mainline	Mainline	Airfix GMR (Great Model Railways)	Mainline	Mainline	Hornby	Bachmann Branchline
Year model introduced	1977	1978	1981	1981	1985	1985	1985	1994	1997	2007	2007
DCC Capability	DCC compatible but no socket	DCC compatible but no socket	DCC incompatible	DCC compatible but no socket	DCC compatible but no socket	DCC compatible but no socket	DCC compatible but no socket	DCC compatible but no socket	DCC incompatible. Split Chassis	DCC Ready. 8-pin socket	DCC Ready. 21-pin socket
Bodyshell
Bodyshells represented (of Prototypes)
LMS Royal Scot - original 'parallel boiler'	No	No	Yes	Yes	No	Yes	No	Yes	Yes	No	No
LMS Royal Scot - rebuilt	Yes	Yes	No	No	No	No	Yes	No	Yes	Yes	No

Detailing
Bodyshell - factory-fitted separate details
Coal rails	No	No	No	No	No	No	No	No	Yes	No	No
Handrails	No	No	Yes	No	No	No	No	No	Yes	Yes	No
Injector pipework	No	No	No	No	No	No	No	No	No	Yes	No
Lamp irons	No	No	No	No	No	No	No	No	No	Yes	No
Pipe work	No	No	No	No	No	No	No	No	No	Yes	No
Reverser	No	No	Yes	No	No	No	No	No	Yes	No	No
Safety valves - turned brass	No	No	No	No	No	No	No	No	Yes	Yes	No
Smoke deflectors	No	No	Yes	No	No	No	No	No	Yes	Yes	No
Smokebox door dart	No	No	No	No	No	No	No	No	No	Yes	No
Whistle - turned brass	No	No	No	No	No	No	No	No	Yes	Yes	No

Chassis/underframe detail
Brake rigging chassis	No	No	No	No	No	No	No	No	Yes	Yes	No
Correct-thickness "stamped" rods	No	No	No	No	No	No	No	No	Yes	Yes	No
Fluted connecting rods with oily finish	No	No	No	No	No	No	No	No	Yes	Yes	No
Pipework	No	No	No	No	No	No	No	No	No	Yes	No

Cab, footplate & interior detail
Detailed & painted	No	No	No	No	No	No	No	No	No	Yes	No
Footplate doors	No	No	No	No	No	No	No	No	No	Yes	No
Glazing	No	No	No	No	No	No	No	No	Yes	Yes	No

Tender
Has easy-to-use coupling to loco	No	No	No	No	No	No	No	No	Yes	No	No
Has enclosure for speaker	No	No	No	No	No	No	No	No	No	Yes	No
Houses digital decoder	No	No	No	No	No	No	No	No	No	Yes	No
Houses PCB	No	No	No	No	No	No	No	No	No	Yes	No
Permanently coupled to locomotive	No	No	Yes	No	No	No	No	No	No	Yes	No

Wheel "aesthetics"
Coloured-plastic	No	No	No	No	No	No	No	No	Yes	Yes	No
Nickel-plated	No	No	Yes	No	No	No	No	No	No	No	No
Painted	No	No	Yes	No	No	No	No	No	No	No	No

Bufferbeam detail (pre-fitted)
Cosmetic coupling - hook only	No	No	No	No	No	No	No	No	Yes	No	No
Pipework - pre-fitted to rear	No	No	No	No	No	No	No	No	No	Yes	No
Sprung buffers	No	No	No	No	No	No	No	No	No	Yes	No

Bufferbeam detail (in detailing pack)
Cosmetic Screwlink couplings	No	No	No	No	No	No	No	No	No	Yes	No
Pipework (for front)	No	No	No	No	No	No	No	No	Yes	Yes	No
Pipework (for rear)	No	No	No	No	No	No	No	No	Yes	No	No

Mechanical
Body Construction	No	No	No	Plastic	No	Plastic	No	Plastic	No	No	No
Chassis construction	No	No	Diecast	Plastic & metal	No	Plastic & metal	No	Plastic & metal	Split-chassis	Plastic & metal	No
Loco-driven wheels (number of)	No	No	2 wheels	6 wheels	No	6 wheels	No	6 wheels	2 wheels	2 wheels	No
Minimum radius	No	No	Radius 2	Radius 2	No	Radius 2	No	Radius 2	Radius 2	Radius 2	No
Coupling socket/mounting
Fixed	No	No	Yes	Yes	No	Yes	No	Yes	Yes	No	No
NEM pockets	No	No	No	No	No	No	No	No	No	Yes	No

Coupling type	No	No	Tension lock	Tension lock	No	Tension lock	No	Tension lock	Tension lock	Tension lock	No
Weighting (to assist adhesion)
Within boiler	No	No	No	Yes	No	Yes	No	Yes	No	No	No
Within chassis	No	No	Yes	No	No	No	No	No	Yes	No	No
Within tender	No	No	No	Yes	No	Yes	No	Yes	No	Yes	No

Separating the body from the chassis	No	No	Secured with one or more screws	Secured with one or more screws	No	Secured with one or more screws	No	Secured with one or more screws	No	No	No
Electrical
Motor type	No	No	3-pole	Can motor	No	Can motor	No	Pancake	Can motor	5-pole (standard)	No
Motor location	No	No	Locomotive	Locomotive	No	Locomotive	No	Locomotive	Locomotive	Locomotive	No
Power collection	No	No	2 rail DC	2 rail DC	No	2 rail DC	No	2 rail DC	2 rail DC	2 rail DC	No
Pickups	No	No	Driving wheels only	Driving wheels only	No	Driving wheels only	No	Driving wheels only	Driving wheels only	Driving wheels and tender wheels	No
DCC speaker	No	No	No provision for speaker	No provision for speaker	No	No provision for speaker	No	No provision for speaker	No provision for speaker	Provision for 28mm round speaker	No
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