I test my boat yesterday, if distance between two points is short, there will be a "S" track. i tuned the following parameters but has no effect.

Firmware:3.0.1
WP_RADIUS:1m
SPEED_TURN_DIST:2m
SPEED_TURN_GAIN:50
CRUISE_SPEED:1.5m/s
NAVL1_PERIOD:12

Distance between point 1 and point 2 is about 20m
Distance between point 3 and point 4 is about 30m

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I think your boat is performing exceptionally well, mine is nowhere near as good.

http://discuss.ardupilot.org/t/correcting-a-wobbly-path-between-way...

John,

  I want to build a similar boat like your, how do you design the motor's servo



John Easton said:

I think your boat is performing exceptionally well, mine is nowhere near as good.

http://discuss.ardupilot.org/t/correcting-a-wobbly-path-between-way...

We're trying to move support over to http://discuss.ardupilot.org/c/arduboat 

You might get a better response in the support forums

Hi Ben,

For throttle, any little servo works fine, just remove the idle spring.

For steering a car's wiper motor works fine, just find one with little to no play in the arm.

Regards

John



Ben said:

John,

  I want to build a similar boat like your, how do you design the motor's servo





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