Comparison of OO 4-4-0 Class V Schools SR models


Manufacturer	Hornby	Hornby	Hornby
Year model introduced	1981	2008	2012
DCC Capability	Motor fitted but no DCC socket. Ringfield motor	DCC Ready. 8-pin socket	DCC Ready. 8-pin socket
Detailing
Bodyshell - factory-fitted separate details
Chimney	Yes	Yes	Yes
Dome	Yes	Yes	Yes
Handrails	Yes	Yes	Yes
Injector	Yes	Yes	Yes
Injector pipework	Yes	Yes	Yes
Lamp irons	No	Yes	No
Nameplates - plastic - pre-fitted	Yes	Yes	Yes
Pipe work	Yes	Yes	Yes
Regulator linkage	Yes	Yes	Yes
Reverser	Yes	Yes	Yes
Safety valve	Yes	No	Yes
Safety valves - turned brass	No	Yes	No
Smoke deflectors	Yes	Yes	Yes
Smokebox door numberplate	No	Yes	No
Water scoop	No	Yes	No
Whistle	Yes	No	Yes
Whistle - turned brass	No	Yes	No

Chassis/underframe detail
Brake rigging chassis	Yes	No	Yes
Correct-thickness "stamped" rods	Yes	Yes	Yes
Fluted connecting rods with oily finish	Yes	Yes	Yes
Footsteps	Yes	Yes	Yes
Inside valve gear (cosmetic)	No	Yes	No
Pipework	No	Yes	No
Sanding gear	No	Yes	No
Sprung front bogie	No	Yes	No

Bodyshell - separately-fitted details - in detailing pack (where applicable)
Drain cocks	No	Yes	No
Footsteps	No	Yes	No

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

Tender
Has enclosure for speaker	No	Yes	No
Houses digital decoder	No	Yes	Yes
Houses PCB	No	Yes	Yes
Permanently coupled to locomotive	Yes	No	Yes
Tender drive shaft connects to loco driving wheels	Yes	No	No

Wheel "aesthetics"
Painted	Yes	Yes	Yes
Traction tyres	Yes	Yes	Yes

Bufferbeam detail (pre-fitted)
Cosmetic screw link coupling	No	Yes	No
Lifeguard	No	Yes	No
Pipework - pre-fitted to front	No	Yes	No
Pipework - pre-fitted to rear	No	Yes	No
Sprung buffers	No	Yes	No

Bufferbeam detail (in detailing pack)
NEM Couplings	No	Yes	No
Pipework (for front)	No	Yes	No
Pipework (for rear)	No	Yes	No

Detail pack also contains...
Brake rigging	No	Yes	No
Crew	Yes	No	No

Mechanical
Body Construction	Plastic with metal parts	Partial diecast with plastic parts	Plastic with metal parts
Chassis construction	Plastic & metal	Diecast	Plastic & metal
Loco-driven wheels (number of)	4 wheels	4 wheels	4 wheels
Minimum radius	Radius 2	Radius 2	Radius 2
Coupling socket/mounting
Fixed	Yes	No	Yes
NEM pockets	No	Yes	No

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

Separating the body from the chassis	Secured with one or more screws	Secured with one or more screws	Secured with one or more screws
Electrical
Motor type	Ringfield	5-pole (standard)	3-pole
Motor location	Tender	Locomotive	Locomotive
Power collection	2 rail DC	2 rail DC	2 rail DC
Pickups	Tender wheels and two Driving wheel axles	All wheels	Tender wheels and two Driving wheel axles
DCC speaker	No provision for speaker	Provision for 28mm round speaker	Provision for 28mm round speaker
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