Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 07-04-2011, 03:46   #1
Registered User
 
NEVERMIND's Avatar

Join Date: Apr 2011
Location: CORSE
Boat: PRIVILEGE 12
Posts: 141
Images: 3
OpenCPN Autopilot

hello how to set up a central open cpn and autopilot spx30
Thank you
__________________

__________________
NEVERMIND is offline   Reply With Quote
Old 02-05-2011, 04:33   #2
Registered User

Join Date: Aug 2010
Location: Oz
Boat: EX prawn trawler 14m
Posts: 100
Re: Open CPN Autopilot

Nevermind what AP you have. (Pun intended)
I like you have asked this question on 3 occasions about autopilots with different NMEA sentence requirements and I have had no replys.
The only answer I can conclude is if your AP doesnt work on the NMEA sentence RMB (I think thats the one open outputs whilst routing) then open is not going to drive your AP.
Everything else works magnificantly.
I just wish I had a clue about programing and could add the sentence APA.
From where I sit this subject seems taboo, don't get me wrong I do fully appreciate the efforts gone into the development of this project, the frustration is like you not being able to work out how I can get it to drive my AP.
For me I've got the simplist of setups, Puck to Open to AP.
I would dearly love to hear some feed back.
Redog
__________________

__________________
redog is offline   Reply With Quote
Old 05-05-2011, 16:53   #3
Senior Cruiser

Cruisers Forum Supporter

Join Date: Mar 2007
Location: Santa Cruz
Boat: Boatless Again
Posts: 4,335
Re: Open CPN Autopilot

You really don't want to have your GPS or chartplotter drive your autopilot.

See Pictures of Crashed Catana in St. Martin
__________________
donradcliffe is offline   Reply With Quote
Old 05-05-2011, 21:41   #4
Registered User
 
Islander's Avatar

Join Date: Jan 2008
Posts: 166
Re: Open CPN Autopilot

I don't get the connection?

The reason these boats collided is because their skippers were not keeping an adequate lookout.

If their autopilots were following a magnetic course or angle to the wind, or even if their helms had been tied off with a bungee the result would have been the same (if their skippers didn't keep an adequate lookout).

The safest way to use an autopilot is to follow a predetermined route from your chartplotter/GPS which corrects for current set and drift (but, of course, you still need to keep an adequate lookout).

Cheers.
__________________
Islander is offline   Reply With Quote
Old 06-05-2011, 10:58   #5
Senior Cruiser

Cruisers Forum Supporter

Join Date: Mar 2007
Location: Santa Cruz
Boat: Boatless Again
Posts: 4,335
Re: Open CPN Autopilot

If those boats autopilots were on compass courses, their chances of colliding would have been much smaller, even though the operators were not keeping a proper lookout. Running from point to point with the autopilot controlled by the GPS will keep each boat within about 5 feet of the same track in the water--zero cross cross track error is not a good thing.

I would much rather set a compass course, discover that some current is pushing me one way or the other, and adjust my course to compensate for it than let some machine handle the compensation and leave me in ignorance.
__________________
donradcliffe is offline   Reply With Quote
Old 06-05-2011, 11:06   #6
Marine Service Provider
 
bdbcat's Avatar

Join Date: Mar 2008
Posts: 4,884
Re: Open CPN Autopilot

Nevermind, et al....

I just stumbled into this thread.
You will have more luck over on the OpenCPN section of the forum. Come on over

OpenCPN - Cruisers & Sailing Forums

Dave
__________________
bdbcat is offline   Reply With Quote
Old 06-05-2011, 11:18   #7
Registered User
 
Islander's Avatar

Join Date: Jan 2008
Posts: 166
Re: Open CPN Autopilot

Ah, you're assuming everyone sets buoy to buoy routes? What idiots do that?

Anyway, as Dave says, the OP's question will be better answered over at the OpenCPN section.

Cheers
PS Small cross track errors are excellent for safety when "you keep ..." etc.
__________________
Islander is offline   Reply With Quote
Old 06-05-2011, 17:54   #8
Senior Cruiser
 
Opie91's Avatar

Join Date: Apr 2009
Location: CT
Boat: C&C 34
Posts: 811
Re: Open CPN Autopilot

Quote:
Originally Posted by donradcliffe View Post
If those boats autopilots were on compass courses, their chances of colliding would have been much smaller, even though the operators were not keeping a proper lookout. Running from point to point with the autopilot controlled by the GPS will keep each boat within about 5 feet of the same track in the water--zero cross cross track error is not a good thing.

I would much rather set a compass course, discover that some current is pushing me one way or the other, and adjust my course to compensate for it than let some machine handle the compensation and leave me in ignorance.
I agree 100%.

We also general sail about 1/2 nm parallel to the point to point course. A lot less traffic out there.

More time for
__________________

__________________
Opie91 is online now   Reply With Quote
Reply

Tags
autopilot

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
OpenCPN AutoPilot Update Frequency X7JAY7X OpenCPN 4 13-05-2011 05:00
Autopilot Integration Already Working in Latest OpenCPN ? s51ta OpenCPN 8 21-02-2011 15:15
Autopilot danamatic OpenCPN 23 04-09-2010 07:18
Which Autopilot?????????????? avazquez Marine Electronics 21 30-09-2007 22:35
Autopilot irwinsailor Seamanship & Boat Handling 11 21-05-2003 03:05



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 14:59.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.