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Model: BEAVER (PROTOTYPE)

MANUFACTURED BY:
IEL (Industrial Engineering Ltd.)
VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1944
YEAR DISCONTINUED:
1946
ENGINE DISPLACEMENT:
2.785 cu. in. (45.2 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.50 in. (38 mm)
PISTON STROKE:
1.5625 in. (40 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Cast Iron
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
1.25 BHP
WEIGHT:
35 lbs.
OPERATOR CONFIGURATION:
One Man operation (Worlds First)
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
none
DRIVE TYPE:
Roller chain reduction .375 in. pitch operating in oil
CONSTRUCTION:
Sand cast aluminum
MAGNETO TYPE:
Bendix Scintilla
CARBURETOR:
Tillotson AJ-13A series
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
nla
AIR FILTER SYSTEM:
Brass wire screen
STARTER TYPE:
Rope
OIL PUMP:
Gravity feed
MAXIMUM ENGINE RPM:
4,000
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Champion J8
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
8:1 for break in period, 12:1 thereafter
RECOMMENDED FUEL OCTANE:
70
MIX OIL SPECIFICATION:
SAE 50 or SAE 60
CHAIN PITCH:
9/16 in.
CHAIN TYPE:
IEL scratcher type, 825 ft./min chain speed
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
14 in. (35 cm)
LONGEST GUIDE BAR SUPPLIED:
22 in. (56 cm)
COLOUR SCHEME:
unpainted aluminum castings, black shroud and handles
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Worlds first one man chain saw

Photographs of saw in Dave Challenger collection by M. Acres
 

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