They do good both ways front or aft,look at the graupner Shark or my Octura ZX ,or the SB-2.0 with the extra large bow plains made a huge diference,the change in angle is much quicker and more preciese in bow plainsonly subs,for optimal control aft and bow is best.

http://s82.photobucket.com/albums/j2...1-20-08051.mp4

Dave</p>