(JAXAshby) wrote in message ...


snip the serious backpeddeling

So what your saying Jax, is you are as dumb as 1/4 of the 18th centry sailors.
The ones that had no skill and sunk ships.

And you can not do a simple basic DR plot factoring in set and drift.

I hear you.....

Joe

absolutely not. DR has no reference points in it, and I have never stated that
it does.

Subject: Fog, DR and traffic lights.
From: (JAXAshby)
Date: 07/18/2004 12:06 Pacific Standard Time
Message-id:

Who changed the definition to include landmarks?

jeffies.


No he didn't, you did.
Typically, with your poor reading comprehension and lack of abilities where
navigation is concerned, you took a statement you didn't understand and tried
to turn it to your advantage.
Jeff said nothing about pilotage ... you did; Jeff said nothing about using
landmarks .... you did.
Jeff's comment was that when you start someplace, you know where you are (he
can correct me if I'm wrong) .... you could not understand this and
manufactured the rest.

Shen

One
could also say that the compass represents another reference

no, one can not. one can ONLY state which direction magnetic North is and
which direction relative to that the boat is pointed, but *no* deduction can be
made as to which direction actually is actually going. none.



but that would be
too complex for jaxie.

wasn't too complex for Einstein when he wrote his PhD thesis on the subject.
you can read that thesis, if you want, by looking up The Special Theory of
Relativity.

All we know is that you called the Coast Guard
and drifted for a day because you couldn't figure out what to do.

no, you don't know that. you do know the bogus captain of the boat claimed the
engine was over-heated (it wasn't), and you do know the bogus captain took down
the sails and strapped them down when I tried to sail the boat (in zephyr
winds) and you do know neither the bogus captain nor the boat owner could
figure out how to use the VHF.

you still haven't told us what buoy you were looking for
then

it was a light, at night. if we didn't find that light we were going to do the
prudent thing and turn around, go back from where we came, turn east, travel
well away from Hatteras and hope we didn't hit the Gulf Stream that would take
us back north, and then resume going south.

jeffies, we were trying to go between the Gulf Stream and Hatteras, and that
was a tight squeeze that day.

you, jeffies, would have done what?

And you can not do a simple basic DR plot factoring in set and drift.

no physicist on the planet would say you can, and do so accurately enough to
miss the rocks that might be nearby.

of course, if there are no rocks within 500 miles, have at it. you won't know
where you are for sure, but sooner or later the clouds will lift and you can
figure it out.

why do you guy keep insisting that *you* can do the physically impossible?

Do you not understand what you are saying?

it is either that, or you are being purposely dense.

Wrong jaxie. Every DR plot starts with a reference point. You're just showing
you have no idea what you're talking about.



"JAXAshby" wrote in message
...
absolutely not. DR has no reference points in it, and I have never stated
that
it does.

Subject: Fog, DR and traffic lights.
From: (JAXAshby)
Date: 07/18/2004 12:06 Pacific Standard Time
Message-id:

Who changed the definition to include landmarks?

jeffies.


No he didn't, you did.
Typically, with your poor reading comprehension and lack of abilities where
navigation is concerned, you took a statement you didn't understand and tried
to turn it to your advantage.
Jeff said nothing about pilotage ... you did; Jeff said nothing about using
landmarks .... you did.
Jeff's comment was that when you start someplace, you know where you are (he
can correct me if I'm wrong) .... you could not understand this and
manufactured the rest.

Shen

"JAXAshby" wrote in message
...
One
could also say that the compass represents another reference

no, one can not. one can ONLY state which direction magnetic North is and
which direction relative to that the boat is pointed, but *no* deduction can
be
made as to which direction actually is actually going. none.

I never claimed you had absolute certainty with infinite precision about the
direction of travel. You're the one claiming that's the only definition of DR.
In fact, formally speaking, the DR plot by itself makes no such presumption; it
only describes the position based on the ship's heading and speed through the
water. If you had any understanding of DR you would know this. Once again, you
just prove you don't know what DR is.





but that would be
too complex for jaxie.

wasn't too complex for Einstein when he wrote his PhD thesis on the subject.
you can read that thesis, if you want, by looking up The Special Theory of
Relativity.

Einstein's PhD thesis was not special relativity, it was "A New Determination of
Molecular Dimensions." And Special Relativity did not focus on the relative
motion issues that are significant for ship's navigation. That was fully
addressed by Galileo in his "Theory or Relativity" 300 years earlier. Einstein
only mentioned it by way of recapitulating traditional physics before showing
how Special Relativity is different. It looks like this is yet another topic
where you can show your ignorance.

This jax is hopelessly lost....
CM

"Jeff Morris" wrote in message
...
| Wrong jaxie. Every DR plot starts with a reference point. You're just
showing
| you have no idea what you're talking about.
|
|
|
| "JAXAshby" wrote in message
| ...
| absolutely not. DR has no reference points in it, and I have never
stated
| that
| it does.
|
| Subject: Fog, DR and traffic lights.
| From: (JAXAshby)
| Date: 07/18/2004 12:06 Pacific Standard Time
| Message-id:
|
| Who changed the definition to include landmarks?
|
| jeffies.
|
|
| No he didn't, you did.
| Typically, with your poor reading comprehension and lack of abilities
where
| navigation is concerned, you took a statement you didn't understand and
tried
| to turn it to your advantage.
| Jeff said nothing about pilotage ... you did; Jeff said nothing about
using
| landmarks .... you did.
| Jeff's comment was that when you start someplace, you know where you
are (he
| can correct me if I'm wrong) .... you could not understand this and
| manufactured the rest.
|
| Shen
|
|
|
|
|
|
|
|
|
|