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Outdoor Power Equipment

String Trimmers

String Trimmers Article

A line-trimmer works on the principle that a line that is turned fast enough is held out from its housing (the rotating reel) very stiffly by centrifugal force. The faster it turns the stiffer the line. Even round-section nylon line is able to cut grass and slight, woody, plants quite well. Some monofilament lines, designed for more powerful cutters, have an extruded shape like a star that helps the line slash the material being cut and thus it is able to cut quite large woody plants (small shrubs) or, at least, ring-bark them very effectively. These lines make disks less necessary for tough jobs.

The line is hand-wound onto a reel before the job is started, leaving both ends extending from the reel housing. The motor turns the reel and the line extends horizontally while the operator swings the trimmer about where the plants are to be trimmed. The operator controls the height at which cutting takes place and can trim down to ground level quite easily. As the line is worn, or breaks off, the operator knocks the reel on the ground so that a release mechanism allows some of the line in the reel to extend and replace the spent portion. A small cutter on the line-guard ensures that the line length exposed for cutting does not exceed the length that can be swung efficiently by the motor. Newly extended line operates more efficiently because of its heavier weight and surface effects (the star-shaped edges).

Trimmers that have nylon or metal blades usually have straight driveshafts because of the higher torque required to turn the disk and because of the shock loads that are passed back from the blade to the driveshaft and its gearbox(es). Smaller line trimmers have curved driveshafts to make holding the cutting-head at ground level much easier and with less strain on the operator.


String Trimmers Items

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SHINDAIWA T 231 GAS TRIMMER GOOD CONDITION
$172.00
Line Guard Weed Eater Ultratrim String Trimmer
$4.75
Coil/Magneto Weed Eater Ultratrim String Trimmer
$7.75
SILVER STREAK .170 TRIMMER LINE SQUARE 5# SPOOL
$45.00
GAS CAP FOR HOMELITE ST SERIES TRIMMERS W STRAIGHT SHAF
$7.95
Craftsman Trimmer Spool and Line 7185939 25 Ft .080 Dia
$4.99
Poulan Pro BLOWER String Trimmer Attachment New
$29.99
RYOBI 18 V VOLT CORDLESS WEED GRASS TRIMMER P2000 NEW
$49.99
Grass Gator Brush Cutter Head by CMD Products 4650
$19.99
RYOBI & MTD STRING TRIMMER BUMP HEAD 720R 740R 750R
$18.99
OREGON .175 ROUND GATOR TRIMMER LINE 5 POUND SPOOL
$40.00
7.5 POUND SPOOL PRO EDGE .095 TRIMMER LINE
$30.00
LNIB CRAFTSMAN PRO. 28CC GAS WEEDEATER TRIMMER 79198
$134.99
Weedeater Poulan Fuel Line Repair Kit $10.78 Delivered
$7.79
NEW PRIMER BULB FOR POULAN WEEDEATER $6.95 DELIVERED
$6.25
Craftsman 4 Cycle 29cc Gas Weedwacker Line Trimmer NIB
$99.99
Tanaka TBC-2211 String Trimmer GREAT VALUE!!
$179.00
HOMELITE TRIMMER SPOOL AND SPRING 080 LINE
$11.95
Weed Thrasher 24 Pack of Replacement Cutters - Refill
$9.99
GRASS GATOR WEED EATER HEAD WHIP EDGER TRIMMER NEW EZ
$12.87
NEW STRING TRIMMER HEAD SPEED FEED FOR STIHL SHINDAIWA
$22.99
BLACK & DECKER FIRESTORM 18V TRIPLE BATTERY CHARGER
$28.99
Throttle Cable Weed Eater Ultratrim String Trimmer
$4.00
Kidney Shape Leather Hunting Water Bag Bottle 1 Litre
$15.50
CRAFTSMAN TRIMMER SPOOL & LINE # 71 85939 25 Ft NEW PK
$5.10
Makita EM4251 Gas 24.5cc Powered String Trimmer NEW
$400.99
Nice Stihl FS 36 weed eater in great shape works good
$79.99
SILVER STREAK MAGNUM ROUND .095 GATOR TRIMMER LINE
$50.00
Drive Shaft Weed Eater Ultratrim String Trimmer
$6.75
Mantis E-System Hedge Trimmer Attachment 330105
$64.99
Homelite 980461 String Trimmer Part Brush Guard A04683A
$20.96
RYOBI GRASS STRING TRIMMER BRUSH CUTTER 1 YR WAR GAS
$99.97
RYOBI 30 cc CURVED SHAFT GRASS STRING TRIMMER -WAR
$79.97
Worx 12-Inch 4.5-AMP Electric Dual-Line Trimmer - NEW
$49.26