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Jeffa Autopilot Failure |
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Arcadia
Rear Admiral Joined: 27 November 2017 Location: Sag Harbor, USA Status: Offline Points: 656 |
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FWIW guys, the drag link does not need to be at 90 degrees to the arms. As long as there is symmetry then the forces will be equal on port and starboard, as will the turn rate. The important thing is the ratio of pilot arm length to rudder arm length. That’s what give the system power when needed. Extending the drag link so the arms are parallel will get you 99% there.
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Leon / ARCADIA
2018 Hanse 588 Sag Harbor, NY |
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Wild
Vice Admiral Joined: 18 March 2010 Location: Turkey-Greece Status: Offline Points: 784 |
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Fwiw
On the picture of Tobo the rudder is in the 0 our middle position “street away”and the drive also in the middle position. If you make the draglink longer ,one of them wil change position and angle. I suppose by the setup of the AP the drive can correct a bit but I don’t believe this much, or possible that’s only correct the angle sensor of the AP to correct the zero point to the AP blackbox???? In the installation instructions Jefa “ rotate the drive lever to the same offset angel as steering system and mount the draglink “ IMO bring both levers in the right position (rudder and drive in midship position,adjust to the right length and mount the draglink.
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Wild and Wet
Belgium 545e#268 |
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Arcadia
Rear Admiral Joined: 27 November 2017 Location: Sag Harbor, USA Status: Offline Points: 656 |
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The drive has no zero. It is determined by the sensor. Once the set up is corrected, the sensor should be recalibrated to zero as well as plus and minus rudder stops. All this is in the autopilot settings.
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Leon / ARCADIA
2018 Hanse 588 Sag Harbor, NY |
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Ggerrit
Commander Joined: 19 June 2016 Location: Monnickendam Status: Offline Points: 149 |
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On the pictures it looks that the arm on the rudder is not in the centerline of the rudder....
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H400 2008 2 cabin
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