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| questorscout |
 Posted: Tue Nov 08, 2011 4:12 pm |
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Joined: 03 Nov 2011
Posts: 202
Location: Northern Ireland
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I have noticed that when I use the ruler on my ipod touch to predict timings and direction that the bearing doesnt align with that of the boat compass.
I had placed the ruler so that it just touched a tip of land at 231 degrees, however when I put 231 degrees into the compass for boat direction I was going to run aground at about 277 degrees.
Does anyone else have this problem?
Is this because of the curvature of the earth I was quite far north at the time, or an issue with the iphone app?
Q |
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The Pessimist complains about the wind, the Optimist waits for the wind to change.
The Realist adjusts the sails!
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| Suratna |
| Posted: Tue Nov 08, 2011 11:22 pm |
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Joined: 02 Jul 2009
Posts: 6349
Location: Thailand
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hi questorscout
I don't have an iPod and not the app, so I know only the game from the computer.
what I would do is to check the LS game with your Boat on the Computer and parallel do some checks on the App.
But hopefully another App user will be able to assist. |
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Ard-- http://liveskipper-krys.blogspot.com/ ;Austral-W-1;R.Ireland-1; 4Cap R-5;2OceanCr-2; Xmas:2; Caipirinha:5; Ghost: 29;WCoast-3;Vendee-6
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| staserabrodino |
| Posted: Sun Feb 12, 2012 10:12 pm |
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Joined: 02 Nov 2011
Posts: 22
Location: Verona italy
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questorscout wrote: I have noticed that when I use the ruler on my ipod touch to predict timings and direction that the bearing doesnt align with that of the boat compass.
I had placed the ruler so that it just touched a tip of land at 231 degrees, however when I put 231 degrees into the compass for boat direction I was going to run aground at about 277 degrees.
Does anyone else have this problem?
Is this because of the curvature of the earth I was quite far north at the time, or an issue with the iphone app?
Q
Also for me it only use phoneo i-pad the difference with the PC is virtually navigate to view!  |
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| tsunami |
| Posted: Sun Feb 12, 2012 11:09 pm |
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Joined: 23 Jun 2009
Posts: 644
Location: Greystones,Ireland
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| Q the i phone app is a very crude instrument,as usefull as a chocolate teapot. |
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one man one boat
Gerry |
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| questorscout |
| Posted: Mon May 14, 2012 6:20 am |
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Joined: 03 Nov 2011
Posts: 202
Location: Northern Ireland
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Have to agree with you.
Towards the end of the last Friday race I used my ipod to check how I was finishing. I noticed I was going slower than I should have been. Since it was a straight run to the finish I cancelled the automatic mode and used the ruler to get the bearing to cross the line in the middle of the marks.
Using this bearing I set the angle for the boat to sail and was in around 320th place.
When I next checked I had missed the finish gate and ran aground. The race had finished and I was in 800+ place.
Very annoying, especially as I wasnt using the visual to sail but the bearing given by the ruler. |
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The Pessimist complains about the wind, the Optimist waits for the wind to change.
The Realist adjusts the sails!
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