My Airmar transducer would not show speed. We discovered the water temp circuit was open. The speed will not work if the thermistor is not functional. I did not need the temp info, so we put in a 15 ohm resistor to replace the open circuit. That was over 5 years ago and it worked like a charm.
Fred Hazzard S/V Fury C&C 44 Portland, Or On Thu, Oct 11, 2018 at 8:54 AM Matthew L. Wolford via CnC-List < cnc-list@cnc-list.com> wrote: > If you haven’t pulled one before, you may be startled by how fast water > rushes in. Remain calm, and have your blank handy. > > *From:* Gary Nylander via CnC-List <cnc-list@cnc-list.com> > *Sent:* Thursday, October 11, 2018 11:43 AM > *To:* cnc-list@cnc-list.com > *Cc:* Gary Nylander <gnylan...@atlanticbb.net> > *Subject:* Re: Stus-List padwheel issues > > > Dan, there are a lot of us who regularly pull our speed transducers. You > may get a pint of water inside (mine is under the dinette and drains into > the bilge). Fear not. Get someone to spin the wheel and see if it works. > > > > Gary > > 30-1 > > > > *From:* CnC-List <cnc-list-boun...@cnc-list.com> *On Behalf Of *Dan via > CnC-List > *Sent:* Thursday, October 11, 2018 10:58 Am > *To:* cnc-list@cnc-list.com > *Cc:* Dan <dgcorm...@gmail.com> > *Subject:* Re: Stus-List padwheel issues > > > > I had a tech support ticket open with Actisense (the Digital NMEA product > I'm using to read my data streams from my transducers) and they confirmed > that if the padwheel is not spinning, NO data will be formed and no NMEA > sentenses will be transmitted. SO - YES, the padwheel HAS to spin, and it's > not a wiring issue (95% certain)... > > That said, I went out on deck and tried pulling a line along the underside > of the hull to activate the wheel and tried using oars to move the water > around the waterline but then it started to rain so I gave up the attempt. > The only other non-evasive method is to get in the dinghy and try to reach > the wheel with my hand... or bite the bullet and try pulling the sensor out > completely and replacing it with the plug which to me sounds like extremely > risky business but you guys seem to think it's a breeze... > > > > WISH ME LUCK! > > > > Dan > > > > On Wed, Oct 10, 2018 at 10:57 AM Dennis C. via CnC-List < > cnc-list@cnc-list.com> wrote: > > What Ed says. > > > > I never leave Touché’s paddle wheel in. Only put it in when we go sailing. > > > > Dennis C. > > Sent from my iPhone > > > On Oct 10, 2018, at 8:34 AM, Edward Levert via CnC-List < > cnc-list@cnc-list.com> wrote: > > Dan > > > > You should have a plug which allows you to remove the transducer with the > boat in the water. Simple process of pulling the transducer and inserting > the plug. If done quickly, you might let 2 cups of water in. Will need a > person spinning the paddle and one looking at the instrument. > > > > Ed Levert > > C&C 34 Briar Patch > > New Orleans > > > > On Wed, Oct 10, 2018 at 8:30 AM Dan via CnC-List <cnc-list@cnc-list.com> > wrote: > > Thanks guys. > > Difficult to get the padwheel moving when the boat is in the slip and > there's no current lol. > > I can try sticking my outboard motor in front of the boat and gunning it > to get the water flowing... or I can get in the dinghy and try to reach > under to spin the wheel manually... > > > > Before I do that - I have a digital readout of my NMEA 0183 sentences so I > can analyze the readouts line by line. I don't even have a readout for > "0.0.0" on the speed (or any speed data at all) I'm wonderring IF the > padweel isn't turning, it will literally give back NO data / sentences at > all? not even a "0.0.0"? > > > > Dan > > > > On Wed, Oct 10, 2018 at 9:58 AM Matthew L. Wolford via CnC-List < > cnc-list@cnc-list.com> wrote: > > I also had a paddlewheel issue caused by bottom paint. I did not discover > the nature of the problem was until the boat was out of the water. > > > > *From:* Edward Levert via CnC-List <cnc-list@cnc-list.com> > > *Sent:* Wednesday, October 10, 2018 8:50 AM > > *To:* cnc-list@cnc-list.com > > *Cc:* Edward Levert <weeselev...@gmail.com> > > *Subject:* Re: Stus-List padwheel issues > > > > Dan > > > > The paddle wheel needs to spin to get a reading. I have an Airmar > transducer for the ST 60. It stopped giving speed readings even though the > paddle was clean and rotated easily. A new paddle solved the issue. My > guess is that the build up of bottom paint was blocking the impulse signal > the paddle creates. Perhaps scrapping the paddle free of paint might solve > your problem. > > > > Ed Levert > > C&C 34 Briar Patch > > New Orleans > > > > On Wed, Oct 10, 2018 at 7:39 AM Dan via CnC-List <cnc-list@cnc-list.com> > wrote: > > Hi all, I have a ST850 Airmar speed/temperature transducer that I'm trying > to get working (again) with my new equipment. I'm pretty sure the issue is > with the wiring so if any of you have this transducer maybe you know where > I'm going wrong? > > > > ***My ST850 is from 2006 so I'm pretty sure it's not the "smart sensor" > one that is supposed to output NMEA2000 sentences directly. > > > > With my old system ONLY the green wire was hooked up to a B&G nav computer > and the black and shield were connected to ground. (no temperature data) > > > > I've got: > > GREEN to Speed Pulse IN (not sure what "pulse" is ecactly) > > Black, and Shield to Ground IN > > Red to Speed Voltage IN > > Yellow/Red Stripe to Temp IN > > Brown to nothing > > > > With this configuration I'm getting Temperature NMEA sentences, but no > Speed. Anyone know where I'm going wrong? Does the padwheel have to be > turning to get speed sentences? > > > > Dan > > Breakaweigh > > C&C44 > > Halifax, NS > > > > > > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > ------------------------------ > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > ------------------------------ > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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