hmmm just a question about the design of the rotary.
Hey,
Im in college to be a Automotive service tech.... We are currently covering the design of piston engines and everything about them. My question is why is it that the rotary does not create vibrations from the 2 spark plug in one combustion chamber design? We learned that 2 flame fronts meeting each other ie preignition or detonation causes alot of vibration. So with the rotary engine there will be 2 flame fronts contacting will there not? I understand there is 2 plugs for emissions purposes but I am curious as to why there is no vibrations from this? Thanks Dan_s_young |
I'm sure there is some vibration but the two sparks occur 15 degree (crank rotation) apart, which is not that much. Im not sure if this would make a difference as compared to two sparks occuring at the same time and moving toward each other at an even rate. I'm not an engineer but I know that the rotary engine doesn't create the same mechanical vibration as piston engines because it doesn't have parts that stop and change directions the way pistons move back and forth.
Go to www.rotaryrefs.net and on the left, click on Misc Rotary Books and info. On the next page yo go to you will see "Rotary Engine" by Kenichi Yamamoto. Its old, but it has a lot of good and very detailed info on the principles and functions of the rotary engine. Its a PDF file and you can download it for free. Hope that helps a little. |
This may help you understand the rotary alittle bit better.
http://www.rotaryengineillustrated.com/animations.php |
Originally Posted by Dan_s_young
Hey,
Im in college to be a Automotive service tech.... We are currently covering the design of piston engines and everything about them. My question is why is it that the rotary does not create vibrations from the 2 spark plug in one combustion chamber design? We learned that 2 flame fronts meeting each other ie preignition or detonation causes alot of vibration. So with the rotary engine there will be 2 flame fronts contacting will there not? I understand there is 2 plugs for emissions purposes but I am curious as to why there is no vibrations from this? Thanks Dan_s_young for a little history and technical description of what's involved. HTH - Mike |
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