rear end drifting, jon boat rudder?

[ggoldy]

Charger, can I assume there's about 36 sq inches(6x6) of rudder surface area below the bottom of the boat? That's enough to make a difference?

 

[Charger25]

Actually its a bit more, I had forgotten how much till I went out and measured it. First pics were on the 12 ft, these are on the 14 ft. I made it several years ago, it kept the boat tracking straight in 15 to 20 mph winds. Like whats been said you can make one out of almost anything, just depends on how long you want it to last. :LOL2: