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39 = Slow - Fast Speed

Proposal from

Wojtek DOMAŃSKI - POL

Proposal title

High attitude slow / fast task, instead of low level with kicking sticks.

Existing text

3.C9 FAST / SLOW SPEED

Objective

To fly a course as fast as possible and then as slow as possible (or vice versa).

Description

A straight course consisting of four equally spaced ‘kicking sticks’ between 150m and 300m long is laid out facing approximately into wind.

The course shall be flown twice. The order will be briefed (fast then slow or slow then fast).

The pilot makes a timed pass along the first course, returns to the start, and makes a second timed pass in the same direction.

There may be two courses but they must be of equal dimensions and orientation and separated by at least 200m flying distance.

Special rules

- A valid strike on a stick 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.

- For each course, the clock starts the moment the pilot kicks the first stick and stops the moment he kicks the fourth stick.

- The pilot may have 3 attempts at kicking the first stick on each run.

- If the pilot misses the second or third stick then he is considered ‘too high’, penalty 50% course score for each stick missed.

- The maximum time allowed for a pilot to complete each course is 5 minutes.

In the slow course;

- If the pilot or any part of his Paramotor touches the ground or the fourth stick is missed: Vp2 = null and Ep = zero

- If the pilot zigzags: Score zero.

In the fast course;

- If the pilot or any part of his Paramotor touches the ground: Vp1 = zero and Ep = zero

- The pilot may have three attempts at kicking the fourth stick.

Pilot score = 0.25 x Q x Vp1 / Vmax  +  0.25 x Q x Vmin / Vp2  +  0.5 x Q x Ep / Emax

Where:

Q = Maximum task score between 500 and 1000 points, as briefed.

Vmax = The highest speed achieved in the fast course without penalties, in Km/H

Vp1 = The speed of the pilot in Km/H in the fast course.

Vmin = The lowest speed achieved in the slow course without penalties, in Km/H

Vp2 = The speed of the pilot in Km/H in the slow course.

Ep = The difference between the pilot's slowest and fastest speeds, in Km/H

Emax = The maximum difference between scored slowest and fastest speeds after penalties, in Km/H

New text

3.C9 FAST / SLOW SPEED

Objective

To fly a course as fast as possible and then as slow as possible (or vice versa).

Description

A straight course consisting of four equally spaced ‘kicking sticks’ between 150m and 300m long is laid out facing approximately into wind.

The course shall be flown twice. The order will be briefed (fast then slow or slow then fast).

The pilot makes a timed pass along the first course, returns to the start, and makes a second timed pass in the same direction.

There may be two courses but they must be of equal dimensions and orientation and separated by at least 200m flying distance.

Special rules

- A valid strike on a stick 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.

- For each course, the clock starts the moment the pilot kicks the first stick and stops the moment he kicks the fourth stick.

- The pilot may have 3 attempts at kicking the first stick on each run.

- If the pilot misses the second or third stick then he is considered ‘too high’, penalty 50% course score for each stick missed.

- The maximum time allowed for a pilot to complete each course is 5 minutes.

In the slow course;

- If the pilot or any part of his Paramotor touches the ground or the fourth stick is missed: Vp2 = null and Ep = zero

- If the pilot zigzags: Score zero.

In the fast course;

- If the pilot or any part of his Paramotor touches the ground: Vp1 = zero and Ep = zero

- The pilot may have three attempts at kicking the fourth stick.

Description

A straight course consisting of three turn points (SP, MP, FP) is briefed (preferably over a straight-line-feature like a road, railways, etc.). The course defines two legs: about 2km +-500m for slow, and 3km +- 500m for fast.

Each leg should be flown once. The order will be briefed (fast then slow or slow then fast).

The pilot makes a timed pass at a given height (preferable 200m AGL) along the first leg, makes a turn over the second turn point (MP) wide enough that he crosses his own track, and then continues his flight towards the third turn point (FP).

Special rules

- For the first leg starting point is defined by the first logger mark within the SP cylinder, and end point is defined by first logger mark in MP cylinder.

- For the second leg starting point is defined by the crossing of pilot's track with the cylinder MP, and end point is defined by the first logger mark in FP cylinder.

- Pilot is obliged to keep the same level above the ground in each of the legs. Height measured by the GPS logger at the start point of each leg cannot differ more then 50m from the height at the end point of the leg (this includes possible inaccuracy of loggers). Otherwise pilot scores zero for the leg, and zero for speed difference part of his score.

- If the pilot zigzags on the slow course: score zero for the slow leg, and zero for speed difference part of his score.

Pilot score = 0.25 x Q x Vp1 / Vmax  +  0.25 x Q x Vmin / Vp2  +  0.5 x Q x Ep / Emax

Where:

Q = Maximum task score between 500 and 1000 points, as briefed.

Vmax = The highest speed achieved in the fast course without penalties, in Km/H

Vp1 = The speed of the pilot in Km/H in the fast course.

Vmin = The lowest speed achieved in the slow course without penalties, in Km/H

Vp2 = The speed of the pilot in Km/H in the slow course.

Ep = The difference between the pilot's slowest and fastest speeds, in Km/H

Emax = The maximum difference between scored slowest and fastest speeds after penalties, in Km/H

It is possible and encouraged to combine this tasks with another navigation task, which pilot can enter just ofter closing FP.

Reason

Kicking sticks in fast track is dangerous with nowadays paramotor gliders. This version of slow fast is safer, and solves several problems like touching the ground, or overflowing the stick by just few centimetres.


Added by Wojtek Domański Last edited by Richard Meredith-Hardy on 15 Oct, 2013 06:53. Quick links: http://wiki.fai.org/x/bIAlAQ or 39 = Slow - Fast Speed
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