1. Simple Machines: Jackhammer
Gabriel Cuilan
Drafting
Ms. Carlisle

2. History of the jackhammer
A jack hammer is also known as a pneumatic drill
Its creator was Charles Brady King in 1848
It usually runs on compressed air or electricity, but sometimes it can run on hydraulics
There are 3 types of jackhammers: pneumatic, electric and hydralic

3. Pneumatic jackhammer This jackhammer is ran by compressed air
It would be a jackhammer attached to an air compressor which supplies the air needed to work
The compressor itself works on fuel though

5. Electric Jackhammer
The electric jackhammer runs on an external power source
It does not need an air compressor for it to work
But it is not as strong as a pneumatic jackhammer
Recently, the electronic jack hammer has been updated to improve its power

7. Hydraulic jackhammer
A hydraulic jackhammer is much larger than the portable jackhammers
It can sometimes be equipped to mechanical excavators
They are used for road work, demolitions and quarrying
This jackhammer is equipped to a machine called a Rig Mounted
They are able to break down vertical walls and ceilings, normal jackhammers can’t do that

9. Bibliography
Charles B. King. (n.d.). Automotive Hall of Fame. Retrieved March 3, From  king/751/
Charles Brady King. (n.d.). Wikipedia. Retrieved March 5, From 
Chicago Pneumatic Jackhammer repair. (n.d.). Automotive Hall of Fame. Retrieved March 5, From  Hammer-Repair/P2636_1064/
Jackhammer. (n.d.). Wikipedia. Retrieved March 5, From 
Pneumatic Tools. (n.d.). About.com. Retrieved March 2, From  .htm
Reciprocating compressor. (n.d.). Wikipedia. Retrieved March 5, From