Baller disland Posted August 26, 2016 Baller Share Posted August 26, 2016 What causes offside tail blow out? Seems sometimes I can get away with a hard turn and other times the tail blows Link to comment Share on other sites More sharing options...
Baller gregy Posted August 26, 2016 Baller Share Posted August 26, 2016 @skijay talks about the effective fin area decreasing as the ski rotates more. What are you feeling? Link to comment Share on other sites More sharing options...
Baller Jordan Posted August 26, 2016 Baller Share Posted August 26, 2016 @SkiJay Link to comment Share on other sites More sharing options...
Baller disland Posted August 27, 2016 Author Baller Share Posted August 27, 2016 Close, Ran some video and the chest is slightly down in pre turn causing too much tip engagement Link to comment Share on other sites More sharing options...
Baller SkiJay Posted August 27, 2016 Baller Share Posted August 27, 2016 @disland Contrary to popular belief, blowing the tail usually ISN'T caused by the fin being too shallow. Blowing the tail on the off-side is usually a function of a late, narrow pre-turn into a fast, forced turn. Too much speed makes the ski ride higher in the water with the tail closer to the surface. And there's usually too much speed because of a late, narrow approach into the ball. This narrow approach makes it necessary to rotate the ski more around the ball in order to complete the turn with decent angle. A higher rotation rate requires more smear, and the more the tail of the ski smears, the more the ski's roll angle causes the tail to ramp itself up towards the surface. To make matters worse, the only way to make the ski smear more on the off-side is to engage more tip. And when you think of the ski as being a bit like a teeter totter, then when you drive the tip deep into the water, the other end of the teeter totter (the tail) is levered upwards even more. The main reason grabbing for the handle and/or over rotating the shoulders through the turn is often cited as the cause of a tail blowout is because aggressively rotating the upper body yaws a lot of tip into the water ... teeter tottering the tail of the ski out of the water. The fix is skiing wider and earlier, so the speed at the ball is lower, the ski has already rotated through some of the turn before arriving at the ball, and moderate tip-engagement is all that's needed to finish the turn with a reasonable amount of smear. Link to comment Share on other sites More sharing options...
Baller Bill22 Posted August 27, 2016 Baller Share Posted August 27, 2016 Thanks @SkiJay I have been curious about this too. Link to comment Share on other sites More sharing options...
Baller disland Posted August 27, 2016 Author Baller Share Posted August 27, 2016 @SkiJay Thanks, yes late narrow because poor stack out of previous buoy. Makes sense :-) Link to comment Share on other sites More sharing options...
Baller skialex Posted August 27, 2016 Baller Share Posted August 27, 2016 If this is not a technique issue I would look for a boot/fin adjustment and I would asses first my onside turn, to much angle early out of the buoy could lead to bad stuck narrow/fast approach towards the offside. Also a very slow turning onside makes you loose ground too. If your onside is great and still having issues check your front boot placement, fin area and turne them if needed. Link to comment Share on other sites More sharing options...
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