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37 = Cancelation of 'sticks' slaloms - Japanese, Cloverleaf, Chinese and Four

Proposal from

Wojtek DOMAŃSKI - POL

Proposal title

Removing unsafe slaloms which require kicking sticks.

Existing text

 3.C2 THE FOUR STICKS

Objective

This task is intended as a small break task between elements of an

overall task.

 Description

There are 4 standard kicking sticks set at the corners of a 50m x

50m square. The pilot must kick 3 of the 4 sticks. The first stick the

pilot kicks may be any of the 4 sticks. The third stick the pilot kicks

must be diagonally opposite the first, the second stick may be either

of the two other sticks.

 Special rules

- If this task is used to take a time for the purposes of an element

of the overall task then the time shall be taken the moment the

pilot strikes the first stick.

- The pilot may have as many attempts as necessary at striking the first stick.

- Only ONE attempt is allowed at kicking both the second and third sticks.

- There shall be one group of 4 sticks for every 15 competitors in the task.

- On approach to the task, pilots should choose a "free" group of sticks. However if, in the opinion of the

marshals on duty a conflict with another aircraft existed (depending on the overall task, for example if there is

a timing involved) both should kick only one stick and then depart on the rest of the overall task. Both pilots

will then be given the opportunity to have ONE further attempt at this task as soon as possible after the end of

the overall task.

 Scoring

The scoring should be integrated into the overall task as NQ. If the pilot fails to kick either the second or third

stick then for each stick then the penalty shall be no more than 5% of the overall task score

 3.C6 PRECISION CIRCUIT IN THE SHORTEST TIME (‘Clover leaf slalom’)

Objective

To strike a number of targets laid out in a given order in the

shortest possible time and return to the deck.

 Description

4 pylons 2m in height are laid out

- At the corners of a 70.71m square for PF1 and PL1

classes.

- At the corners of a 100m square for PF2 and PL2 classes.

A fifth target is set at the centre of the square.

The pilot enters the course and strikes the target T (strike 1).

At this point the clock starts. The pilot flies around pylon 2 and

returns to kick the stick T (strike 3), he then flies around pylon

4 and returns to kick the stick T (strike 5). This continues until

all four pylons have been rounded. The clock stops when

target T is kicked for the last time (strike 9).

 Special rules

- A valid strike on the target T is:

EITHER one where the pilot or any part of the Paramotor has been clearly observed to touch it.

OR when electronic ‘kick stick’ sensors which have been shown to meet the standard tests are used, a valid

strike is one which is recorded by the device.

- To count as a strike, the pilot’s body must be clearly seen to round each pylon and pylons 2 & 8 must be

rounded in an ANTI CLOCKWISE direction and pylons 4 & 6 must be rounded in a CLOCKWISE direction.

- A strike on target 1 starts the clock, a strike on target 9 stops the clock.

- Pilots may have only one attempt at striking each target except for the first and last targets where three

attempts at each are permitted.

- Failure to strike the first or last target or round at least one pylon or touch the ground at any point between

them: score zero.

- The grid may be opened up to max. 100M at the briefing if the meterological conditions dictate.

 Scoring

pen pil pen t = t + mv

Where

tpil = the measured pilots time (seconds)

m = the number of missed targets

vpen = the time penalty for each missed target (seconds)

tpen = the pilots time (after penalties for missed targets)

tbest = the best time (after penalties for missed targets)

Q = the task value before normalization

Note: Spreadsheet formulas:

tpen: = t_pil + m * v_pen

Q: = LOG(3 * t_best / (t_pen – t_best + 3))

or

Q: = LOG(3) + LOG(t_best) – LOG(t_pen – t_best + 3)

 3.C7 PRECISION CIRCUIT IN THE SHORTEST TIME (‘Japanese

slalom’)

Objective

To strike a number of targets laid out in a given order in the shortest possible

time and return to the deck.

 Description

4 pylons 2m in height are laid out on

- On a 50 m x 50 m grid for PF1 and PL1 classes,

- On a 70,71 m x 70,71 m grid for PF2 and PL2 classes.

The pilot enters the course into wind and strikes target 1. At this point the clock starts. The pilot then strikes

targets 2 and 3. He then returns to fly clockwise around target 1 (strike 4), anticlockwise around target 2 (strike 5)

and clockwise around target 3 (strike 6). He then returns to strike target 1 (strike 7), target 4 (strike 8) and target

3 (strike 9). The clock stops when target 3 (strike 9) is kicked.

 Special rules

- A valid strike on a target is:

EITHER one where the pilot or any part of the Paramotor has been clearly observed to touch it.

OR when electronic ‘kick stick’ sensors which have been shown to meet the standard tests are used, a valid

strike is one which is recorded by the device.

- When targets are acting as pylons, to count as a strike, the pilot’s body must be clearly seen to round it,

pylons 1 & 3 must be rounded in a CLOCKWISE direction and pylon 2 must be rounded in an ANTI

CLOCKWISE direction.

- A strike on target 1 starts the clock, a strike on target 9 stops the clock.

- Pilots may have only one attempt at striking each target except for the first and last targets where three

attempts at each are permitted.

- Failure to strike the first or last target or touch the ground at any point between them: score zero.

 Scoring

pen pil pen t = t + mv

Where

tpil = the measured pilots time (seconds)

m = the number of missed targets

vpen = the time penalty for each missed target (seconds)

tpen = the pilots time (after penalties for missed targets)

tbest = the best time (after penalties for missed targets)

Q = the task value before normalization

Note: Spreadsheet formulas:

tpen: = t_pil + m * v_pen

Q: = LOG(3 * t_best / (t_pen – t_best + 3))

or

Q: = LOG(3) + LOG(t_best) – LOG(t_pen – t_best + 3)

 3.C8 PRECISION CIRCUIT IN THE SHORTEST TIME (‘Chinese slalom’)

Objective

To strike a number of targets laid out in a given order in the shortest possible time and return to the deck.

 Description

Between 6 and 12 targets are laid out on a course not exceeding 3Km in length. Targets are sticks.

intermediate targets may also be min. 8m inflatable pylons.

The pilot enters the course into wind and strikes target 1. At this point the clock starts.

The pilot then flies the course to strike all the other targets in the given order, a strike on the last one stops the

clock.

 Special rules

- A valid strike on a target is:

EITHER one where the pilot or any part of the Paramotor has been clearly observed to touch it.

OR when electronic ‘kick stick’ sensors which have been shown to meet the standard tests are used, a valid

strike is one which is recorded by the device. OR if a target is an inflatable pylon, when the pilot 

crosses in the correct direction the line which defines when a pylon is passed correctly. (S10

5.7)

- A strike on target 1 starts the clock, a strike on the last target stops the clock.

- Pilots may have only one attempt at striking each target except for the first and last targets where three

attempts at each are permitted.

- Failure to strike the first or last target or at least two of the intermediate targets, or any inflatable pylon,or

touch the ground at any point between them: score zero.

Scoring

pen pil pen t = t + mv

Where

tpil = the measured pilots time (seconds)

m = the number of missed targets

vpen = the time penalty for each missed target (seconds)

tpen = the pilots time (after penalties for missed targets)

tbest = the best time (after penalties for missed targets)

Q = the task value before normalization

Note: Spreadsheet formulas:

tpen: = t_pil + m * v_pen

Q: = LOG(3 * t_best / (t_pen – t_best + 3))

or

Q: = LOG(3) + LOG(t_best) – LOG(t_pen – t_best + 3)

Note to Director: This task is ideally suited for sites where there are physical features which obscure a direct view

from one target to the next.

New text

None.

Reason

Slaloms which require kicking sticks are dangerous for pilots and their aircrafts nowadays. These tasks should be replaced by task from World Paramotor Slalom Championships: a triangle, and figure 8, which are possible to perform with pylons and timing gates.


Added by Wojtek Domański Last edited by Richard Meredith-Hardy on 15 Oct, 2013 06:52. Quick links: http://wiki.fai.org/x/dIAlAQ or 37 = Cancelation of 'sticks' slaloms - Japanese, Cloverleaf, Chinese and Four
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