nav workshop ppt file

Today's Competitive Tactical
Navigational Skills
winning
winning tides winning wet notes
winning knowledge
buoy racer 2009
Hill Head SUPER ZOOM
Racing Navigation 2009
Inshore digital nav
Offshore digital nav
Shoulders – what a
PC can do for your results -
winning
Why use a PC
47
18
1.12
5.54
• Christopher Columbus 1451-1506
• Amerigo Vespucci 1499-1502
• Jame Cook 1728-1779
-------------------------------------------• John Harrison 1736-1761
• Robert Fitzroy The Beagle 1831
ProjectGPS
621B
Ivan Getting, Roger Easton GPS 1956
winning
Where are we today
2009 - 20hz = 20 positions per second
Develop great routines
and tactical mind but don’t forget you are a
navigator. Its your responsibility to deliver
the digital answer.
winning
Calibration
What a title to kick off!
- Focus on raw sensors
- Pay a pro to get it done if you cant
find the time
winning
winning
Calibration
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Depth
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Compass
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Focus on core sensors
Keep notes
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Depth
– At the dock
Compass
– Check compass mountings &
position
– Stow
– Calibrate
Speed
– Shorter distance if it gets it done
– Check sensor alignment
– Check sensor for growth
AWA
– Tack to tack
– Negative is to port
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Speed
SEATRACK
CALIBRATION
EXAMPLE
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AWA (or MWA)
Preparation
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Entry
Waypoint management (winningtides.co.uk)
Weather sources
Communication to crew
Sailing instructions (check list in wet notes)
Tools of the trade (and bring list)
marker pens, hand held compass, waterproof
pad, rule book, SI’s laminated, watch and spare,
tide books, knowledge book, HW table,
waterproofs, weather forecast two sources, back
up GPS, spare batteries, spare pencil, knife, nav
bag, hat, sunglasses, sun cream, money, phone
with WAP, (THIS MUST ALL WEIGH ZERO),
binoculars, plastic zip bag, pvc tape, head torch,
VHF, life jacket.
Changes to SI’s
winning
Before leaving the dock
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Discipline
Dress before you get to the boat or immediately you get on
Keep your head down and focus on your job
Social chat
Nominated time at the dock
Set yourself up – turn everything on (VHF on the right channel)
Tactician and trimmer
Time management is part of your role however sometimes this is lead by the
tactician. “time to leave the dock”
On the way to race track
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Listen for announcements; sync watch,
race area, changes to SI’s you may have
missed etc
Turn back up GPS on so it can find itself
Make sure my PC has the correct polar
files loaded
Catch up with stuff I missed from the last
page.
Get the boat to the course area
Check in if required
Go through the tide with tactician and key
staff
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Pre-start
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There are times to be forceful
Ping ends EXAMPLE FROM SEATRACK
Course building EXAMPLE FROM SEATRACK
Ready to catch the start timer SYNC
Get the course down, verified, in PC, on a
buoy chart and passed to crew (you may
need a helper for this)
Line bias EXAMPLE FROM SEATRACK
Relevant time to line (acceleration table)
How to call the time in the last 1.30 mins
PHYSICAL POSITION…
– Stand next to tactician until start then
hike hard near their ear
Racing
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– Relevant time to line (acceleration table)
– Splits to first mark EXAMPLE FROM SEATRACK when to communicate it
– Next leg data EXAMPLE FROM SEATRACK
– TWD over 10mins
– Sail crossovers inc next leg EXAMPLE FROM SEATRACK
– Approaching first mark TWD which phase its in with Splits
– Finial layline in to an inflatable buoy
Physical position – hike next to tactician
Racing continued
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Physical position – hike next to
tactician
Performance management
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Polars EXAMPE FROM SEATRACK
Target boat speed
– New sails, TP example
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Send back info
Log EXAMPE FROM SEATRACK
Useful logged data… rudder angle, TWA, AWA, VS, VMG, track, time,
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Offshore
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Weather & tide routing SEATRACK
CALIBRATION EXAMPLE
Decision points
Communication
Performance & polars
After racing
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Sign off
Protest
Social
Time on the boat
Analysis
winning