The impressions we note that folded like a smaller kite straight out of the bag. Once inflated,the wing is shown larger or at least it seems more’ larger than a 12m!Observing in detail: the building is impressive and the kite is well finished. The Kevlar reinforcements are well placed and the pulleys of the bridle are removable in case of necesita. There are two choices for the back.
It inflates very easily and at last a pleasant surprise right here, the new inflation valve has a ball! It took several years but eventually F-one seems to have accepted the general feedback coming in against those who do not want to take off the gloves when you inflate the kite on a beach cold.
There are no straps on the valves of one pump and if you compare it with the B3, The B4 is a racing car also for the reduction of weight.
The weather conditions in which e’ have taken the test wind of low intensity, 12 knots with gusts up to 14 with a table of small size.
At the start the wing can generate enough power to pull the rider from the water surface and it reaches the speed’ Cruising.
The kite generates a constant push and has a lot of power. The B4 offers its maximum power when it is parked at 11.15 instead at 11:00 as for the B3, Also the old B3 2010 13m while flying a little’ more in the bottom of the wind window, delivers a bit 'of power in less. When conducting the sail looks like a delta, but it looks a lot like a C especially for the square wingtips,despite the angle of the delta is the same between versions 2010 and 2011. Il Tiro e’ constant and there is no delay on the response of the bar.
For the rotation of the wing have been tried a bar of 55 cm and one 45. The largest bar and’ much’ Functional wing runs much faster, and there is less pressure on it.
Of course with the bar 45 cm, the reactivity of the rotation and’ slower, but once the kite has a constant power. On rotations of the sensations you have a very direct, any action on the wing bar responds in a direct and precise positioning which had been addressed.
L’ unique attention and’ to be given to the fact that during the transitions can’ generate a bit’ to lift ( traction towards’ high ).
With the weather a little’ more’ favorable have to get used to jump. Under these conditions it feels different
behavior compared to B3. You load and we expect the same lift, as the B3. Well, you get the same lift and a more hang-time … actually much more.
If you are not careful it's really easy to overdo it in the rotation, ma because of hang-time generous, you still have time to correct the position of the kite and land safely. The kite is very stable even when the lines are let go of.
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