Well after reading the comments posted it doesn't appear that you are getting any closer to a solution. Here's a question for you.
Where is the observer located in relation to the mechanism? Perhaps you can do a better job on enclosing this mechanism and reduce any noise perceived by the...
I've read several of you posts regarding this issue and found them very helpful. I'm current working on some noise issues for off-highway equipment and am working with a supplier to design a new muffler. With the new muffler I'm forced to design a new 5in. dia. tube to run between the turbo and...