I'm building a kayak trailer for a cousin. Frame is 3x2x.120, Tongue is 3x3x3/16, the rest will be built out of 1.75x.120 round tube. Using a 5 foot wide 3500 lbs axle and the plan is to fit 3 kayaks, centered, stack on top of each other.
http://i246.photobucket.com/albums/g...o/IMAG0488.jpg
http://i246.photobucket.com/albums/g...o/IMAG0489.jpg
http://i246.photobucket.com/albums/g...o/IMAG0490.jpg
http://i246.photobucket.com/albums/g...o/IMAG0495.jpg
And a picture of my new heater:
http://i246.photobucket.com/albums/g...o/IMAG0492.jpg