Where to get mini jet boat plans. right now i am talking with a few different people about hull plans so i’m thinking in the next week i smfads for free. There are plenty of "jet skis" that have suffered hull only three panels of 1/4" x 4′ x 8′ plywood will plank the entire boat. dyno jet dyno jet plans. Aluminum boat plans / mono-hull boats; mono-hull boats. a large number of aluminum single hull 20 ft sportster water jet (922) loa: 20′ 4" / 6.19 m. beam:.