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2. Stihl - Wikipedia

   en.wikipedia.org/wiki/Stihl

   Andreas Stihl designed and hand built his first chainsaw in 1926. [5] The saw was electrically powered, and weighed about 48 kg (106 lb). [6] Stihl grew slowly initially, as the chainsaws came to the market about the same time as the Great Depression; with manpower cheap, and old two-man saws proven, there was no need for power saws.

3. Chainsaw - Wikipedia

   en.wikipedia.org/wiki/Chainsaw

   Chainsaw engines are traditionally either a two-stroke single-cylinder gasoline (petrol) internal combustion engine (usually with a cylinder volume of 30 to 120 cm 3) or an electric motor driven by a battery or electric power cord. In a petrol chainsaw, fuel is generally supplied to the engine by a carburetor at the intake. Two-stroke engines ...

4. Brushcutter (garden tool) - Wikipedia

   en.wikipedia.org/wiki/Brushcutter_(garden_tool)

   The power unit of a 240 V electric brushcutter. A brushcutter (also called a brush saw, clearing saw or gasoline goat) is a powered garden or agricultural tool used to trim weeds, small trees, and other foliage not accessible by a lawn mower or rotary mower. Various blades or trimmer heads can be attached to the machine for specific applications.

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Component parts of internal combustion engines - Wikipedia

   en.wikipedia.org/wiki/Component_parts_of...

   Doubling the number of the same size cylinders will double the torque and power. The downside to having more pistons is that the engine will tend to weigh more and generate more internal friction as the greater number of pistons rub against the inside of their cylinders. This tends to decrease fuel efficiency and robs the engine of some of its ...

7. List of German inventions and discoveries - Wikipedia

   en.wikipedia.org/wiki/List_of_German_inventions...

   1926–1927: Portable electric (by Andreas Stihl in 1926 in Cannstatt) and the first petrol chainsaw (by Emil Lerp in 1927). [201] A precursor of chainsaws was made around 1830 by Bernhard Heine [202] 1927: Concrete pump by Max Giese and Fritz Hull [203] 1930s: Particle board by Max Himmelheber [204]