Get a fan controller from Jabtech. $14. http://www.jab-tech.com/Sunbeam-5-1-4-Rheobus-Kit-BLACK-pr-2530.html
Don't know what Yates you have, but are they 38mm thick?
Yates aren't known for being loud.
And please, please check your typing. It's pretty hard to read sometimes. Maybe a bit of spelling check, caps in the right places, and grammar.