Dan

Had first time worried back in the 1970’s. Pull the transducer with one hand 
and inset the plug with the other. Good luck

Ed Levert


Sent from my iPhone

> On Oct 11, 2018, at 9:58 AM, Dan via CnC-List <cnc-list@cnc-list.com> wrote:
> 
> 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
>>>>> Sent: Wednesday, October 10, 2018 8:50 AM
>>>>> To: cnc-list@cnc-list.com
>>>>> Cc: Edward Levert
>>>>> 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
>>>>>>  
>>>>>>  
> 
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