So I took the plunge and started building my belly pans over the last couple of weeks. They are not anywhere near the quality of 3wheeler's pans, but I don't have that kind of time. The front corner panels and the side panels I did by gluing foam to some aluminum paneling. I was quite happy with how they turned out. I used coroplast for the center and glued foam to it to stiffen it. I'm not convinced it was the right thing to do. I like the aluminum much better, but I am running out of time. I leave on vacation on Friday and was hoping to have them done. Doesn't look like it's going to happen.
I already had to make some modifications. I didn't leave quite enough tire clearance or cat clearance and almost ruined my pan just driving across town.
Hopefully this won't be another exercise in futility. I guess time will tell if they help. I don't know if there will be much improvement with just the front half of the pans done. Pictures of my progress are in my album if anyone is interested.
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Almost all my driving is done 1-5 miles at a time.
Best short trip: 2.4 l/100 km, 3.9 km