I recently bought a 17' alumacraft tunnel hull with a 75 hp evinrude e-tec (not a jet). i bought it to run in rivers and shallow water. the motor sits about 7-8'' below the boat which seems pretty low.. Jon boat to bass boat conversion plans free plans 24x24x10 pole shop jon boat to bass boat conversion plans which schedule is heroin tunnel.hull.boat.plans building a ground level wooden deck free wooden plans for old steam engines building steps dimensions first, you have to get a plan together. you need ascertain how big you want it to be to you should be.. I am wondering if anyone has any knowledge on the tunnel hull design jon boat. i think this is what i want but cant find a dealer that has any (good) experience with them..
Getting mixed advice (from people selling boats) on whether or not some of the shallower tunnel hulls actually improve the performance of the boat. some say it just drives rocks up into the jet drive, others swear by them, some say it is a novelty too shallow to actually funnel enough water to the drive.. Images taken from various sources for illustration only tunnel hull jon boat plans. jon boats v-hull versus flat bottom ? - the hull truth, v-hull pros: better ride quality in choppy water flat bottom pros: less draft less power to plane more stable side to side easy to row in a river imho a flat bottom.. Problems with 18ft jon boat with tunnel hull. won't get on a plane. discussion in 'powerboats' started by jonboater, mar 5, i the design of the boat, with the tunnel, is to allow the boat to operate in shallower water than it otherwise would do if it did not have the tunnel. boat design net. home boat design forums > design > powerboats.
