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IEL Beaver.
PRECISION ONE MAN MODEL P.E.
PRECISION HISTORY:
Precision was one of the worlds first manufacturers of one-man chainsaws, dating back to 1946. They started in Montreal, Quebec, and sometime later, opened a second plant in Danbury, Connecticut. Some papers lists Rouses Point, New York, but it was a parts depot and sales office, located in this border town, the point of entry for all Precision products. Precision primararly targeted these chainsaws for the pulp wood industry, which was mainly located in eastern Canada, and the northeastern region of the United States. All Precision chainsaws were equipped with a hand operated clutch, on the earliest (1946-1948) model the clutch was activated by means of a separate control lever. From 1948 to the end of production, the throttle and clutch actions were combined together into a single, motor cycle type twist lever. Precision's business closure in the mid fifties, appears to have come about due to the companies failure to upgrade their product in the face of fast growing global competition. In fact, only a few minor upgrades were made during the entire (approx. ten year) production period. The Precision chainsaws were offered in three different types.
REED-PRENTICE RP 50
MANUFACTURED BY: REED PRENTICE CORPORATION, WORCESTER, MASS., U.S.A. NUMBER OF CYLINDERS: 1 MANUFACTURER ADVERTISED H.P.: 5 WEIGHT: 32 KG WITH 4 FT BAR/HELPER. OPERATOR CONFIGURATION: One Man or Two Man operation DRIVE TYPE: Gear reduction CONSTRUCTION: Cast magnesium SPARK PLUG TYPE: Champion J-8-J SPARK PLUG GAP: 0.025 in. COLOUR SCHEME: Orange enamel
JOBU D94 TIGER
MANUFACTURED BY: JO-BU A/S MEKANISKE VERKSTED DROBAK, NORWAY
YEAR INTRODUCED:
1960
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
93 cm3 (5.67 cu. in.)
NUMBER OF CYLINDERS:
1
MANUFACTURER ADVERTISED H.P.:
4.8
WEIGHT:
10.5 kg. with 45cm bar
(23 lbs. with 18 in. bar)
OPERATOR CONFIGURATION: One Man operation
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
STARTER TYPE: JOBU automatic rewind
OIL PUMP: Automatic
MAXIMUM ENGINE RPM: 5,000
FUEL OIL RATIO: 20:1
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Two-cycle mix oil
CHAIN TYPE:
JOBU
JOBU VICKING
MANUFACTURED BY:
JO-BU A/S MEKANISKE VERKSTEDDROBAK, NORWAY
YEAR INTRODUCED:
1957
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
76 ccm (4.63 cu. in.)
NUMBER OF CYLINDERS:
1
MANUFACTURER ADVERTISED H.P.:
2.8
WEIGHT:
11.2 kg. with 45cm bar
(24.7 lbs. with 18 in. bar)
OPERATOR CONFIGURATION: One Man operation
CLUTCH: Manual
DRIVE TYPE:
Roller chain reduction
CONSTRUCTION:
MAGNETO TYPE:
Bosch MZ/UPA 1/115 L1
CARBURETOR:
Float type
MAXIMUM ENGINE RPM:
5,000
CHAIN TYPE:
JOBU Straddle
MALL 4MG
OLYMPIC OLEO MAC SUPER 251 A
MANUFACTURED BY:
OLEO-MAC
REGGIO EMILIA, ITALY
SERIES OR ASSEMBLY NUMBER:
52
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
53cc
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
46mm (1.8 in.)
PISTON STROKE:
32mm (1.26 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome impregnated bore
INTAKE METHOD:
Piston Ported
MANUFACTURER ADVERTISED H.P.:
7 SAE
WEIGHT:
6.9kg with 40 cm bar & chain
15.2 lbs. with 16 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct, clutch engages @ 3000 rpm
CONSTRUCTION:
Die cast mangesium
MAGNETO TYPE:
Selettra electronic
CARBURETOR:
Tillotson HS-128B or Walbro WJ-8-1
MAJOR REPAIR KIT:
RK-23HS for Tillotson
K10-WJ for Walbro
MINOR REPAIR KIT:
DG-5HS/T for Tillotson
D10-WJ for Walbro
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, piston pump
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Bosch WKA 175 T6, Champion CJ7Y
SPARK PLUG GAP:
0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
700ml (24.63 Imp. Oz.)
FUEL OIL RATIO:
20:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Castrol two-stroke chain saw mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
40cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
46cm (18 in.)
COLOUR SCHEME:
Orange enamel with Black handles and air filter cover
LAMB SD 5.8.
Model: SD-5.8 MANUFACTURED BY: LAMB SAW CO. LIVERPOOL, NEW YORK, U.S.A. SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1957 YEAR DISCONTINUED: ENGINE DISPLACEMENT: 5.8 cu. in. (95 cc) NUMBER OF CYLINDERS: 1 CYLINDER BORE: PISTON STROKE: CYLINDER TYPE: INTAKE METHOD: MANUFACTURER ADVERTISED H.P.: WEIGHT: OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: CHAIN BRAKE: CLUTCH: centrifugal COMMENTS: uses West Bend 58006 engine
JONSERED XD SUPER
Finnish importer Elfving used the EL prefix originally to point out it was with electronic ignition, not a semi diesel like the previous model was.Elfving kept using the EL Raket name a little longer, even after name was changed to XD Raket on other markets.
HUSQVARNA 263 CD
MANUFACTURED BY:
HUSQVARNA VAPENFABRIKS AB
HUSKVARNA, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1975
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
63 ccm (3.8 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
47mm (1.85 in.)
PISTON STROKE:
36mm (1.42 in.)
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
3.5 hk
WEIGHT:
7.6 kg. with 38cm bar & chain
16.7 lbs. with 15 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Mechanical
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Bosch CD Electronic
CARBURETOR:
Tillotson HS-122A series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
Husqvarna automatic rewind
OIL PUMP:
Automatic, adjustable
MAXIMUM ENGINE RPM:
8,500
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Bosch WS7F or Champion CJ7Y
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
0.85 litres (28.7 oz.)
FUEL OIL RATIO:
40:1 (4%)
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Two-cycle mix oil
CHAIN PITCH:
9.525mm (.375 in.) 3/8"
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
33cm (13 in.)
LONGEST GUIDE BAR SUPPLIED:
61 cm (24 in.)
COLOUR SCHEME:
Husqvarna Orange
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