Under renewal.Production date is not yet fixed.


PROTOTYPE
Class C PacIfic Coast Shay N0.3312 built in 1927 at Lima Locomotive Works, U.S.A.
Weight: 92.5 tons
Gauge of truck: 4' 8-1/2"
Fuel: Oil
Boiler pressure: 200 Lbs./in2 .
SCALE 1-3/32" = 1' (1/11.2 full scale)
GAUGE 5" (127 rTm) or 4-3/4" (121mm)
DRIVING WHEELS Diameter 83 mm (3-1/4")
GEAR RATIO 2.368 : 1
CYLINDERS (TRIPLE) BORE 30mm (1-3/16")
STROKE 34mm (1-11/32")
DRAIN 6 cocks (hand)
PISTON VALVES BORE 16mm (5/8")
TRAVEL 11mm (7/16")
FULL GEAR CUT-OFF 80%
PORT OPENING 3.2 mm(1/8")
VALVE GEARS Stephenson's Launch-type
BOILER
Tapered Barrel
Material: A11 copper, silver soldered throughout
Twin Pop Type Safety Valves
Hydraulic Test Pressure: 14 kg/cm2 (200 Lbs/in2)
Working Pressure: 6.3 kg/cm2 (90 Lbs/in2)
Water Capacity: Approx. 4 lit. (140 oz)
Grate area:114mm x 200mm(4-1/2" x 7-7/8")
Fuel: Coal or Liquefied Petroleum Gas
Regulator: Screw Type
Superheater: Outer Dia. 6mm stainless steel tubes 6 pcs.
WATER SUPPLY SYSTEM
Axle driven double acting pumps:D14mm x 17mm stroke (ÿ9/16" x 5/8" stroke)
Hand pump: ÿ14mmx 35mm stroke(ÿ9/16" x 1-3/8")
Injector (Optional extra): Dry range 3-5kg/cm2 (43-71 Lbs/in2 ) Capacity 600 cc/min. (21oz/min.)
Donkey pump (Optional extra): Westinghouse air compressor type ÿ10 mm x 20 mm stroke (ÿ 3/8" x 3/4" stroke)
Feed water heater: Copper tubes 9 pcs. O.D. 8 mmx 190 mm (O.D.5/16" x 7-1/2")
LUBRICATORS
For cyiinders; Mechanical single ram type ÿ3 mrn x 6.6 mm stroke (ÿ1/8" x 1/4" stroke)
Ratchet 34 teeth feeding
Recommended oil : Steam oil
Oil tank capacity: 52 cc (1.8 oz)
For crankshaft bearing parts and valve crosshead sliding parts;
One way clutch single ram type ÿ3 mm x 6.6mm stroke (ÿ1/8" x 1/4" stroke)
Recommended oil : Machine oil
Oil tank capacity: 26 cc (0.9 oz)
STEAM WHISTLE 3 Note Chime
BRAKES 2 Steam brake cylinders Dia. 20mm (Dia. 3/4") Hand brake equipped on engine and tender (These can be operated indipendantly.)
STEAM TURBO GENERATOR Output 3V x 0.1A (Optional extra)
LIQUEFIED PETROLEUM GAS BURNER & VALVE (Optional extra)
MAIN TRUCKS BEARINGS 6 Needle bearings
4 Thrust needie bearings
WEIGHT Engine 68kg (150 Lbs)
Tender (included driver's seat) 32kg (71 Lbs)
Tender water capacity Approx. 10lit (2.2 gal or 2.64 U.S. gal)
SIZE Length 1,650mm(65") Width 260 rnm (10-1/4")
Height 380mm(15")
Wheel bases
Truck 120mm (4-3/4") Engine 830mm (32-11/16")
Tender 414mm (16-5/16") Engine & Tender 1423mm(56" )