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Search took 0.00 seconds. Search: Posts Made By: Hoofsmit

Forum: Challenges

29-11-2013, 11:58

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Totally agree , the variables is why the term is...

Totally agree , the variables is why the term is used.

You will never come to a creditable conclusion because those variables are what happens in the real world of sailing in tidal areas. Go...

Forum: Challenges

28-11-2013, 15:16

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Dropped pin near River Fowey ...

Dropped pin
near River Fowey
https://goo.gl/maps/b9SX5

Have a look at this satelites image this would be a classic case where I would lee bow the ebbing tide

Forum: Challenges

28-11-2013, 14:33

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

sorry the multi quote didn't seem to work , you might need to read above in between your quotes

Forum: Challenges

28-11-2013, 14:30

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

really ? the boat sits in the moving current..... there is conseptulising and reality but I do agree it makes working out a cts a lot easier to understand

no wind...... you move over the sea...

Forum: Challenges

28-11-2013, 09:05

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Could I butt in at this point? ( I know .... not him again)

I've spent sometime digesting this subject, what is very noticeable is that the term is traditionally used buy sailors of old (prior to...

Forum: Challenges

22-11-2013, 12:25

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

so if you want some credibility, do it .
they are after all variables that make the difference.
unfortunately these conceptualised vectors will cause you a big problem when you try to prove the lee...

Forum: Challenges

22-11-2013, 09:06

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

I just need to know the variable vectors that are being used,
can you tell me your leeway application on say each 5 degree heading to windward and since we are using true as water referenced
"The...

Forum: Challenges

20-11-2013, 11:41

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

O dear ....... You need to do this when you have...

O dear ....... You need to do this when you have time : flowers x

Read your paragraphs
1 st point made
Ground wind .......tidal induced wind = 6 knots ( in theory 6 knots in practice nothing or...

Forum: Challenges

20-11-2013, 06:43

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Your examples show you do not apply physics

simply put ..... your sails are not filled when drifting we are talking about movement ..... linear velocity

I do not know how to change your...

Forum: Challenges

20-11-2013, 00:58

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

if you disagree with me
I can justify my statement about true wind
Read a manual on how to set up an electronic wind instrument and work out the variables of uplift and wind sheer and the affect...

Forum: Challenges

20-11-2013, 00:50

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

#

What a daft statement
why would we work in current wind effect if there was not
the problem is how I have seen if from the start
your are turning a current into wind and that is inaccurate...

Forum: Challenges

19-11-2013, 14:50

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

yes

told you it would not work until you tuned it upside down equation, you have now summed up why everything that has been done is full of variables that cannot be truly plotted with a cts
...

Forum: Challenges

19-11-2013, 14:35

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Now.... this is a problem I see with the Dead reckoning format being used here ( and we all know how accurate that is in real life)

This tidal wind vector is being included in the equation as the...

Forum: Challenges

19-11-2013, 13:28

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

actually...... the true term is

Lee bowing the tide both traditionally and
( if you are RYA trained ) It is described by Tim Bartlett ( famed for his bean induced wind by swl :D)
" The Lee...

Forum: Challenges

18-11-2013, 23:53

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Now I know you are all going to ignore this because but, read and absorb it:devil: please
The effect is caused by the current on the bow ( don,t run away)

Think "apposed and equal force"
Logic...

Forum: Challenges

18-11-2013, 16:30

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

:banghead::banghead::banghead::banghead::banghead::banghead::banghead::banghead::banghead::banghead::banghead:

ERE BOY.....
(WHAT)
MAKE SURE YOU DO PUT THAT TIDE ON YER LUERD BOW
OR THOSE...

Forum: Challenges

18-11-2013, 12:58

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

I am not invalidating them, they do not prove or disprove the lee bow effect

you have answered your own question, the word you used was
" compensate"
That's what a human or auto helm does,...

Forum: Challenges

18-11-2013, 10:46

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

this is leeway
THE BALANCE OF AERODYNAMIC AND HYDRODYNAMIC FORCES
The aerodynamic forces acting on a sail and hydrodynamic-hydrostatic forces acting on a hull
must be balanced for a sailing yacht....

Forum: Challenges

18-11-2013, 10:28

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

I agree and stand with head bowed( no pun intended:D) I did a post on this in thus started the terminology thread
but I should have said the coefficient of hydrodynamic lift

Forum: Challenges

18-11-2013, 08:58

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

I think I am done

I can/t prove it im to thick

I think I will perceive these effects and sail to them ( I know when it works ! my butt tells me ;)

I enjoy seat of the pants sailing
off...

Forum: Challenges

18-11-2013, 08:51

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

me to
nice to see that you stay open minded enough to look at your theory and find fault

is there any point me posting my findings, it comes in to affect in tight tidal gradients, but its a dame...

Forum: Challenges

18-11-2013, 07:15

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

[QUOTE=Paul Elliott;1393566]If that's your point then I don't think anybody here would disagree.

When there is a current our optimum course can be different from the no-current course. Current...

Forum: Challenges

18-11-2013, 05:23

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

This subject is unbelievably complex
We have yet to look at wind reduced to water movement, ie: its stronger at the top of your mast than at base as any harbour sailer will tell you and no that is...

Forum: Challenges

18-11-2013, 05:05

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

are you thinking about playing around with leeway?
If you are, which I hope you are , start to think what affects leeway and why
If you are applying it as a uniform vector then your findings, how...

Forum: Challenges

18-11-2013, 01:57

Replies: 774

Let's Get to the Bottom of the Lee-Bow Effect Once and For All

Views: 57,001

Posted By Hoofsmit

Re: Let's Get to the Bottom of the Lee-Bow Effect Once and For All

if you where heading to the fork at the place setting on your port side
I agree
lift by the way, is not the correct term when used to correcting your course to steer by the variance of a wind...

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