Engineering Report - Whipper Snipper/lawn Trimmer :: essays research papers fc

Whipper snipper/ Lawn Trimmer No one person or skunk is attributed with creating the lawn trimmer however the original lawn trimmers where developed from1968 to 1970. Prior to 1970, there were no situation trimmers, as we know them immediately. Can you imagine edging sidewalks, driveways, parking a great deal and shrub beds with hand-held trimmers? Can you imagine how sore your back, arms and legs would be after a long day of pushing a manual edger on seemingly endless sidewalks and driveways? Can you imagine trimming any turf at all without a provide trimmer? Many of us progress to the advantages the line trimmer gives us for granted.Line trimmers are one of the most important pieces of equipment in the wide array of landscaping tools. They put an edge on sidewalks, shrub and flowerbeds and parking lots. The time we save by using these tools is something people may take for granted these days. Since the early 1970s (when the first powered line trimmers appeared), the machine s have improved with stronger line, more attachments and better engines. This is all in the aid of giving more time and quicker action in the increasingly feverous lifestyles of today.The basic trimmer works by the engine driving a multi-bearing supported hardened steel shaft housed in an aluminium tube finished a centrifugal clutch this shaft is connected to a head that holds a nylon line that spun at high revolutions per minute (RPM). This nylon line then cuts the batch by hitting the blades of grass at high speed, this cause the grass to be severed at the point of impact. Thus trimming the grass.The first models were gas powered, as electrical lawn mowing devices had gone out of fashion due to the danger of electrocution after accidentally cutting the power cord. The original petrol powered trimmers where two stroke engines around 28 to 32 cubic centimetres in capacity powered by a mixture of super petrol and fossil oil, today they are much the same with the exception of bei ng powered by unleaded petrol and oil, but becoming more popular is the electric trimmer. A leader in engine technology Honda has taken the latest accomplishment, with Mini 4-Stroke engines. Powered by the only 360 inclinable (can be turned on any fee and still run properly) 4-stroke engine available today, the new Honda trimmers deliver smooth, dependable power and unsurpassed fuel efficiency. They require no special gas/oil mixtures so theres no chance for improperly mixed fuels.