boat porpoising

From: jim  at   jnenterprises@prodigy.net
Date: 15 Feb 2000
Remote Name:


Have a 16ft. fiberglass with v-front and flat bottom; 40hp with t&t, side C. Cannot get it to plane out when running solo. Instead of flattening out,it floats up-and-down even on flat water. Already have extra battery and about 75lb of sand bags in bow. Any suggestions