I own a Rangeley for over two years and love it. But how do you all burn? Your process? I rake coals to front and load north/south. I noticed wood doesn't burn that good in the back of the stove, hence the need to push forward the coals. Seems air enters only in the front of the stove. I limit the temp to 500 deg., and scared to take it up further. Reason is because I have seem the tubes glow when it goes above that. Is it normal for those tubes to glow? I'm a city boy, so i consider myself new to burning. Please be gentle.