danhagan
En-Route
The attached link is what had me "rocking the 152 wings a bit" at the beginning of preflight and letting anything bad work it's way to the sump drain. This got my attention when I was a student back in 2006. Hope it helps some of you that are training now ....
http://www.sumpthis.com/cessna150andcessna152tanktest/cessna150tanktestimages1024x768.htm
http://www.sumpthis.com/cessna150andcessna152tanktest/cessna150tanktestimages1024x768.htm