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08-10-2019, 16:15
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#1
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Registered User
Join Date: Mar 2017
Posts: 227
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Rudder feedback sensor mount upside down
Does anyone know whether you can mount the rudder feedback sensor RF25N from B&G upside down. I couldn't find anything in the documentation. And being able to mount it inverter may save me some significant fabrication.
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08-10-2019, 22:11
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#2
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Registered User
Join Date: Jun 2013
Location: canada
Posts: 4,642
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Re: Rudder feedback sensor mount upside down
Yes. It will compensate during calibration.
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08-10-2019, 22:23
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#3
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Registered User
Join Date: May 2008
Location: puɐןsuǝǝnb 'ʎɐʞɔɐɯ
Boat: Nantucket Island 33
Posts: 4,864
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Re: Rudder feedback sensor mount upside down
As Smac said, you can change the port/starboard directions during AP setup, just don't mount it facing backwards or it won't work (don't ask me how I know this!).
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09-10-2019, 17:02
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#4
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Registered User
Join Date: Mar 2017
Posts: 227
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Re: Rudder feedback sensor mount upside down
Awesome. Thanks. That gives me some more options.
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13-10-2019, 11:11
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#5
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Registered User
Join Date: Feb 2015
Boat: Land bound, previously Morgan 462
Posts: 1,991
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Re: Rudder feedback sensor mount upside down
Combination of upside down and backwards should give you the original orientation, no?
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13-10-2019, 12:00
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#6
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Registered User
Join Date: Jun 2013
Location: canada
Posts: 4,642
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Re: Rudder feedback sensor mount upside down
There is no such thing as original orientation. Rudder direction is set via software in new pilots and via swapping wires on older pilots. It can go anyway.
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23-09-2021, 16:39
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#7
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Registered User
Join Date: Mar 2016
Posts: 10
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Re: Rudder feedback sensor mount upside down
Quote:
Originally Posted by Reefmagnet
As Smac said, you can change the port/starboard directions during AP setup, just don't mount it facing backwards or it won't work (don't ask me how I know this!).
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Appreciate if this can be confirmed. Just purchased this and NAC 3. My previous feedback sensor was set facing backwards and worked and I was expecting to use same mounting position. Any reason why the RF25N can not be set facing backwards? Thanks
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23-09-2021, 18:11
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#8
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Registered User
Join Date: Feb 2015
Boat: Land bound, previously Morgan 462
Posts: 1,991
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Re: Rudder feedback sensor mount upside down
Quote:
Originally Posted by Reefmagnet
As Smac said, you can change the port/starboard directions during AP setup, just don't mount it facing backwards or it won't work (don't ask me how I know this!).
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Its just a potentiometer (variable resistor) so it only has two directions it can go - for example either high resistance on full starboard rudder or low resistance on full starboard rudder. Can't see how the AP would care if it is backwards, forwards square or round. As long as it is near the center of its range when the rudder is centered and it uses most of the full range of its motion on full rudder deflections, and the AP software setup allows swapping port to starboard, any position should work.
__________________
No shirt, no shoes, no problem!
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23-09-2021, 18:16
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#9
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Registered User
Join Date: May 2008
Location: puɐןsuǝǝnb 'ʎɐʞɔɐɯ
Boat: Nantucket Island 33
Posts: 4,864
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Re: Rudder feedback sensor mount upside down
Quote:
Originally Posted by John29
Appreciate if this can be confirmed. Just purchased this and NAC 3. My previous feedback sensor was set facing backwards and worked and I was expecting to use same mounting position. Any reason why the RF25N can not be set facing backwards? Thanks
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Quote:
Originally Posted by waterman46
Its just a potentiometer (variable resistor) so it only has two directions it can go - for example either high resistance on full starboard rudder or low resistance on full starboard rudder. Can't see how the AP would care if it is backwards, forwards square or round, as long as the AP software setup allows swapping port to starboard, any position should work.
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I can definitely confirm it didn't work on my install. I have the new one I ordered at great expense still in it's box in my shed
And I'm not sure it's a variable potentiometer. I have an inkling it could use an encoder.
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23-09-2021, 20:07
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#10
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Registered User
Join Date: Oct 2014
Location: Bay of Fundy,Grand Manan,N.B.,Canada N44.40 W66.50
Boat: Mascot 28 pilothouse motorsailer 28ft
Posts: 3,216
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Re: Rudder feedback sensor mount upside down
Upside down is no problem for the sensor,but If your RF25 uses ball joints on the link rod,I suggest you mount the ball studs up. These ball joints gradually wear over time & will drop off the ball if hanging from ball. / Len
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My personal experience & humble opinions-feel free to ignore both
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23-09-2021, 21:29
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#11
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Registered User
Join Date: Feb 2015
Boat: Land bound, previously Morgan 462
Posts: 1,991
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Re: Rudder feedback sensor mount upside down
Quote:
Originally Posted by Reefmagnet
I can definitely confirm it didn't work on my install. I have the new one I ordered at great expense still in it's box in my shed
And I'm not sure it's a variable potentiometer. I have an inkling it could use an encoder.
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You are absolutely correct about the encoder. As usual I wasn't thinking clearly! It would be very interesting to know why your rudder sensor was not working in reverse direction though.
__________________
No shirt, no shoes, no problem!
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23-09-2021, 22:36
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#12
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Registered User
Join Date: May 2008
Location: puɐןsuǝǝnb 'ʎɐʞɔɐɯ
Boat: Nantucket Island 33
Posts: 4,864
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Re: Rudder feedback sensor mount upside down
Quote:
Originally Posted by waterman46
You are absolutely correct about the encoder. As usual I wasn't thinking clearly! It would be very interesting to know why your rudder sensor was not working in reverse direction though.
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Dunno. I do have the RF300 unit which is supposedly the same mechanically. There is a little arrow on the body that needs to point towards the bow.
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24-09-2021, 06:33
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#13
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Registered User
Join Date: Mar 2016
Posts: 10
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Re: Rudder feedback sensor mount upside down
Thanks. I spoke with B&G Support in UK. He said no problem mounting any way around BUT the feedback arm MUST be opposite the power cable entry poin when rudder centred. There are a couple of marks that must be aligned above the cable entry. Also of course the arm must be free to rotate to capture both rudder directions.
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