Silvano Furrower. - Designed for use in nursery seeding or planting to open parallel furrows in loose, sandy and volcanic soils or in humus. Also serves for covering seeded furrows and for hoeing and weeding.
Weighs about 1.6 kg., consists of two blades joined by crosspiece. In standard model the 2 blades are spaced 50 cm. apart. In another model the spacing can be adjusted by screw bolt.
Attrezzi agricoli a forestali, Via Trento, Nicastro (Catanzaro), Italy.
Hesford Heavy Linkage Winch. - Carried on 3-point linkage of tractor and driven by shaft from tractor p.t.o. Winch stands on a frame which folds out of the way when the winch is on tractor. Drum diameter 6 in. (15.2 cm.), carries 150 ft. (45.7 in.) of 7/16 in. (11 mm.) diameter rope. Total weight of winch (with cable) 1,036 lb. (470 kg.).
C.M. Hesford and Co. Ltd., Ormskirk, Lancashire, England.
The Mechanical Development Committee, Forestry Commission, U.K., has made tests on performance. For additional information write to Mr. R.G. Shaw, Forestry Commission, 25, Savile Row, London W.1.
Becfab 15 in. (38 cm) Pump. - Drive by tractor or other prime mover. A transport carriage, easily detachable from the actual pump, can be supplied. All fittings, such as shaft, with universal points for connecting pump to tractor p.t.o. included as standard equipment. At a lift of 9 to 10 ft. (2.74 to 3.05 m.) output varies from 184,940 to 343,460 gals. (841,477 to 1,562,743 l.) per hour according to power available. No valves or strainers, small debris or other obstructions pass without damage. Construction consists of a sheet metal trunk, through the center of which is driving shaft on self-aligning ball bearings; at the bottom of 14 ft. (4.27 in.) trunking is a centrifugal type roto.
Becfabs (Engineers) Ltd., Newgate, Beccles, Suffolk, England.
The Sparmatic. - Steel spar tree mounted on conventional vehicle, used in combination with yarder. Built as complete unit, one power source for both movement and operation. Employs hydraulic ram to erect tubular steel tree to vertical operating position and lower it to horizontal travelling position; once erected, spar telescopes out to normal operating height of 100 ft. (30.5 m.). 275 hp Cummins Diesel engine drives through Gearmatic transmission and torque converter to standard three-drum yarder. Drive for vehicle guyline winches and other functions taken from yarder gear train. Entire operation controlled from operator's position. Main line pull 0 to 100,000 lb. (45,359 kg.); weight: complete unit, all lines and fuel, 109,000 lb. (49,440 kg.).
Gearmatic Company Ltd., Newton, B.C. Canada.
Hathaway Portable Powered Winch. - Built into tubular frame with folding carrier handles. A Villiers 147 c.c. 4-stroke engine driven through centrifugal clutch by single chain to the winch drum. The winch cable is 100 yards (91.4 m.) long with a diameter of ¼ inch (6.4 mm.). A convenient method of ground anchorage is provided by four pins which pass through lugs on the frame. Field performance: maximum pull with empty drum 1,100 lb. (499 kg.); with full drum 800 lb. (363 kg.). These pulls can be almost doubled by using a snatch block; winching speed (full torque) 88 ft. (26.8 m.) per min.; weight (gross with full tank) 192 lb. (87 kg.).
L. Hathaway Ltd., Oswestry, Shropshire, England.
The Hathaway winch is the result of development work by the Forestry Commission and L. Hathaway Ltd. For further information write to: Mr. R.G. Shaw, Forestry Commission, 25, Savile Row, London W.1.
Hathaway Portable Powered Winch.
The Cundey Loader. - Two side arms each mounted on a bolster on the lorry frame are let down to ground level and raised to vertical position by action of hydraulic rams housed in bolsters. Pump driven from p.t.o. on vehicle gearbox provides hydraulic power for operation of rams. Operator, by simple valve controls the loader. Length of arms adjustable for variations in ground conditions. Load can be lifted higher as load on lorry increases in height. Max. load with the arms fully extended is 10 cwt. (508 kg.). Ride or road width must be at least 20 ft. (6.10 m.). The total width occupied by the vehicle and side arms in the down position is 16 ft. (4.88 m.).
Mechanical Development Committee Forestry Commission, 25, Savile Row, London W.1.
Cundeys Ltd., Alfreston, Derbyshire, England.
Long Felling Tongs. - This tool permits not only hauling logs on the ground, but also pulling the tree after cutting, when it gets entangled in the branches of the standing trees.
Wm. Clark and Son., Agric. Engineers and Blacksmiths, Parkgate, Dumfries, Scotland.
Holt Spray Attachment for Holt Weed Breakers. - Spray attachment developed in connection with heavy-duty Holt weed breakers as used in the tropics and subtropics, to make possible the economical application of herbicides in dense growths.
Device consists of container tank mounted on tractor in which pressure is maintained by compressor fitted to tractor p.t.o. From jets of a rear-fitted boom, herbicide is directed onto blades of the weed or bracken breaker and, as these blades revolve, chemical is transferred onto the cut and lacerated stems of the weed growth.
The Holt Weed Breaker Company, Kirbymoorside, York, England.
Holt Spray Attachment for Holt Weed Breakers.
Delmhorst Model G. 2. - Moisture detector permits reading of moisture content from 7 to 30 %. Not much larger than a camera 4 × 7 × 2½ in. (10 × 18 × 6.4 cm.). Weighs 2 ½ lb. (1.13 kg.). Constructed of aluminium and has adjustable shoulder and neck strap for portability. Operated by battery; no outside power supply needed. Variety of interchangeable electrodes available to meet needs varying from those where thin veneers are checked for moisture content to those where checks are made on timber poles and ties.
Delmhorst Instrument Co., Boonton, New Jersey, U.S.A.
Stetson - Ross Chip Blanker. - Chip Blanker removes excessive thickness and width of lumber in form of a chip, rather than as shavings. Chips suitable for use by pulp mills. Feed speeds of up to 1,000 lineal ft. (25.4 m.) per minute. Chippers operate at either 1,200 or 3,600 rpm. Cutterheads equipped with 2, 3, 5 or 6 knives depending on material worked and feed speeds. Can be supplied as single sidehead unit, a single tophead unit, or as combination unit with both topheads and sideheads. Use of frequency converter recommended, to control speed of cutterhead to correspond with feed speed of planing machine.
Chip blanker designed primarily for use with Stetson-Ross planers and matchers, but can be adapted to other makes of machines.
Stetson-Ross Machine Company Inc., 3200 First Avenue South, Seattle 4, Washington, U.S.A.
Austin-Western Model 110 Hydraulic Crane. - Basic machine equipped with 2-wheel drive. General dimensions: wheelbase 9 ft. 7 in. (2.92 m.); overall length: boom horizontal 23 ft. 0 in. (7 m.); over-all height 8 ft. 10 in. (2.69 m.); over-all width 7 ft. 10 in. (2,39 m.); maximum boom reach (boom horizontal) 12 ft. 7 ½ in. (3.85 in.); maximum elevation 500; maximum safe load off front of vehicle 10,000 lb. (4,536 kg.).
Austin-Western Constitution Equipment Division, Aurora, Illinois, U.S.A.
Austin-Western Model 110 Hydraulic Crane.
Sumner Planer Chipper. - Designed for planer mills, but may also be operated as independent chip producer or as part of the over-all planer operation. Consistently produces chips of uniform size and grade, readily acceptable to pulp mills. Standard machine designed to take stock with minimum sizes of I in. (2.5 cm.) thick by 2 in. (5 cm.) wide and a maximum of 4 in. (10 cm.) thick by 12 in. (30 cm.) wide. Greater dimensions can be achieved by special arrangements. Intended for handling lumber at speeds up to 1,000 ft. (305 m.) per minute.
Canadian Sumner Iron . Works Limited, 3550 East Broadway, Vancouver 12, Canada.
Log Bronc. - Has steel hull, welded and braced to withstand extreme abuse from pushing and bumping logs in all water operations. Motor mount (turntable) provides for 3600 turning. Short turns and changing direction possible without changing throttle setting or reversing engine drive. Propeller of outboard motor is guarded against logs and other debris by steel cage. Specifications: over-all length 13 ft. (3.96 m.); over-all width 5 ft. (1.52 m.); over-all draft 2 ft. (61 cm.); operating draft 2 ½ ft. (76 cm.). Weight 3,200 lb. (1,451 kg.) equipped with motor.
Nelson Log Bronc Co., P.O. Box 692, C008 Bay, Oregon, U.S.A.
Skyline Crane "Telegrue". - Can lift up and set down loads up to 2 tons along any point of skyline without stopping block. Operates by gravity, logging site must have 15-20 % slope. Special device adjusts skyline crane to gradient. Skyline may be 1,500 in. long. Main cable 24-28 mm. diameter. Manufacturer has 10-30 hp power winch mounted on skids, which pulls itself up steep slopes; equipped with air-cooled, diesel engine, 6-speed gearbox. Drum takes 2,000 m. of 11 mm. diameter cable, double hydraulic, disk handbrake, regulating air-brake and guide device. Can be disassembled into 100 kg. sections. Weight about 1,500 kg. max. pull 3,400 kg.
H.E. Weber, 65 Grande rue de la Croix Rouge, Grenoble, France.
