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Magnus's Discussions

APMrover -> APMsail

Started this discussion. Last reply by Timo Kari Jul 6, 2015. 2 Replies

Wind vane angular sensor

Started this discussion. Last reply by markspend01 Aug 31, 2013. 4 Replies

Really need some help to get the log files from my APM

Started this discussion. Last reply by Gábor Zoltán Jul 4, 2013. 12 Replies


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Magnus's Blog

Autonomous sail boat part three. Simulation

Posted on October 22, 2013 at 11:00am 11 Comments

This is the third update about my attempts to build an autonomous sailboat with the goal to have it sail by itself next spring.

My first plan for simulation and hardware in the loop simulation was to use the Sail simulator game.You can read more about that in my last blog post. This solution works but the setup with two computers and a number of small programs working…


Autonomous sail boat part two

Posted on October 1, 2013 at 7:00am 9 Comments

Things are slowly moving forward.

The status right now is:

  • Boat has done some sea trials. It sails, and it sails better than expected.
  • Windvane is integrated with APM using a separate Arduino nano and I2C to the APM
  • APM installed in boat with GPS, compass and telemetry. Next step is to start logging data for use in for example…

Autonomous sail boat and electronic wind vane

Posted on August 25, 2013 at 1:52pm 21 Comments

I have started to build an APM controlled sail boat. 

The hull

The hull is based on a IOM boat called Goth (Free plans here). It is built with balsa strips and then glassed on both the inside and outside. Keel blade and rudder are made with balsa cores and a carbon…


One of those bad days...

Posted on September 1, 2011 at 1:45am 2 Comments

For the last week i have successfully flown my Twinstar with the APM. Everything was tuned and i had developed a good routine for setting things up in the field before flying. Yesterday the plan was to test a long endurance flight (25 min) that also used the relay to reset the XBee to keep the telemetry link for the entire flight. 


But this is what happened...


The Twinstar comes with a small PCB that houses connectors for the motors and ESCs. The motor…


First testflight with APM (Updated with a few Twinstar installation photos)

Posted on September 16, 2010 at 2:30pm 12 Comments


Ardupilot Mega test flight report.

Today i did my first test flights with the APM installed in my Multiplex Twinstar II.

I tested the Stabilization mode and the Auto mode with six waypoints in a 1,4 km

long track.


* Multiplex…


Comment Wall (5 comments)

At 7:36am on January 17, 2009, NorthSweden said…
Det låter ju bra. några svenskar är vi vel?
At 11:10am on January 18, 2009, David Legge said…
Bra initiativ. Har du nåt bygge på gång?
At 9:20am on January 19, 2009, NorthSweden said…
okej jag förstår.

Men som sagt detta är ju en väldigt bra sida. mycket intressant läsning.

Kan inte vänta med att beställa en ArduPilot. hehe
At 12:10pm on February 17, 2009, Garth said…
how have you found the performance of the Aerocomm units and which ones do you have, I have recently aquired mine and they hav'nt been flying yet!
thanks gl
At 8:50am on May 11, 2009, David Low said…
hi Magnus, any chance u still have the below line following algorithm coding?

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