The one side of any tooth in cross-section between outside circle and root circle is called the tooth profile. Tooth profile consists of a concave portion joining the tooth space bottom and is called fillet curve or root fillet. To achieve a velocity ratio which is non fluctuating depends on the teeth profile. When two [...]
In several machines like cars and automobiles gear ratio has to be altered for suiting a particular task. You will find different methods for achieving it. These could be manual transmission, automatic transmission, hub gears or derailleur gears. Hub gears are also known as sun and planet gears or epicyclic gearing. Gear shifting provides many [...]
Wankel engine is an internal combustion engine that makes use of rotary design for converting pressure into rotating motion. This forbids the use of reciprocating pistons. It is designed in such a manner that high rpm smooth power is produced by it due to its compact size. It is often regarded as a rotary engine [...]