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Internal Memorandum

 

To: ENGR 100 Students

From: ENGR 100 Instruction Team

Date: Today's Date

Subject: Individual Engine Report


Purpose

The purpose of this assignment is for individual team members to demonstrate their understanding of a Briggs and Stratton 3.5 hp engine through a written explanation.

Individual Assignment

Write a memo that describes what you have learned about the theory, design, and operation of an internal combustion, (single-cylinder) four-cycle, spark-ignition engine.   The audience of this memo is an ENGR 100 student who is still confused about how the engine works and you are trying to explain the main functions clearly and simply.

In this memo, you will explain how the engine works from start to finish.  In approximately two pages of text (not including pictures which are required), trace through how the engine works, using at a minimum the following parts in your explanation: starter cord, starter clutch, ignition armature, carburetor, choke, throttle, flywheel (& magnet), spark plug, piston, intake and exhaust valves, tappets, camshaft, and crank shaft.  You also need to include the four strokes:  intake, compression, power, and exhaust.  

Finally, as in any memo, include an introductory sentence that states the purpose of the memo and a conclusion that summarizes the memo.  Be sure to include a header at the beginning of your memo and use section headings (e.g., “Introduction” or “The Four Stroke Process”) where appropriate.

Your group should review the questions listed in the engine web site to help prepare for writing the memo.  Ask the instructor or TA if you have any questions along the way!

Grading

The memos will be graded on the content (completeness, correctness, and clarity), organization, figures, and writing quality.