My Speech
So The In Last Week We Have Been Making Speeches About A Topic That We Choose
Rotary Engines
In Japan 1954 Mazda Made The First Piston Less Lightweight Engine Called The Rotary Engine.
This Was A Crazy Invention And Since They Made This They Have Continued This Til Today And Are Gonna Continue Making These Engines For Ages.
.The First Rotary Car Was The Mazda Cosmo Sport With The Original 10B Rotary.
The Name Of The Guy Who Made Rotary Is German Engineer Felix Wankel He Came Up With The Idea At Age 17.
Down Sides Of Rotarys
.They Blow Apex Seals A Lot Especially With The Older Engines
.The Rx8s Engine Only Last Till 100,000Kms Then They Blow Up And Need A Rebuild
.The Fuel Goes Down Quite Fast When Your Going About 90Kms
.When The Engine Gets Damaged It's About 3K-11K To Get it Repaired
Speech
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