R.D.
I was convinced that I had the gassiest child ever born! I did gripe water, position changes, lordie I can't even remember all that I did. At the end of the day, she just worked it out for herself. After her meal, I would Put her feet at the bottom of the cradle, for I found that she would push off with her feet and pass gas easier. Talk to your Pedi and make sure there is no reflux etc...going on. Otherwise, we did the "footboard" thing, lay her on her left side, and proped the head of the craddle up. Still do try to burp.
Best wishes and I hope you get lots of great advice!