Depth Finder Stops Working
It seems stuck at 2 or 2.1 feet. I checked the paddle wheel
before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
Depth Finder Stops Working
Paddle wheels on a depth finder?
Maybe the paddles wheel stops turning when you are in very shallow water ;) "frank1492" wrote in message ... It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
Depth Finder Stops Working
On Sun, 09 Jul 2006 01:54:08 GMT, frank1492
wrote: It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank Don't forget to check your VHF antenna. __________________________________________________ __________ Glen "Wiley" Wilson usenet1 SPAMNIX at world wide wiley dot com To reply, lose the capitals and do the obvious. Take a look at cpRepeater, my NMEA data integrator, repeater, and logger at http://www.worldwidewiley.com/ |
Depth Finder Stops Working
frank1492 wrote in
: It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank Well, Frank, I see they've all had their little fun, so let's see if we can find the depth sounder transducer. You've already cleaned the speed wheel on the log.... The depth transducer is different on different kinds of boats. Tell us what kind of boat you have, what brand/model of depth sounder it is so we can identify (correctly this time) the transducer and trace out the cables...which is probably the problem.... If you have barnacles on your hull, there may be an incrustation on the surface of the depth transducer under the boat and that may be the problem. Had the hull scrubbed lately? |
Depth Finder Stops Working
frank1492 wrote:
It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank This HAS to be one of the best postings yet! Even my wife laughed, and she doesn't even sail! |
Depth Finder Stops Working
Could be that the transducer is mounted inside the hull and has been
dislodged and is now measuring it's distance from something inside the bilge. Find the transducer. Alec "frank1492" wrote in message ... It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
Depth Finder Stops Working
Hello All-
For starters, will the wise guys (and their wives) who thought I was so stupid please google "paddle wheel transducer" and see what comes up? Thanks. To the others, the boat is a 1988 Grady White Seafarer with a thru-hull transducer.The paddle wheel is located left of center about 2-3 feet forward of the stern. I do not recall the manufacturer of the depth finder. I will check tomorrow. (Boat currently at mooring.) There are no obvious irregularities on the hull and the boat was just launched so no opportunity to accumulate marine growth. The problem occurred rather suddenly. If the transducer is mounted inside the boat, I would assume it would be found just above the port above the paddle wheel, correct? And could that port be clogged with barnacles even though the paddle wheel itself appeared clean? I will try to find that transducer and hope it is not mounted under the gas tank! Thanks to those who have tried to help. Frank On Sun, 09 Jul 2006 01:54:08 GMT, frank1492 wrote: It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
Depth Finder Stops Working
Now I get it. You all had a right to laugh. Actually it made much more
sense that the paddle wheel should measure speed, except I have no speedometer on this boat!! (Never did have.) My guess is that the depth finder transducer is mounted to the floor just below the engine. Checking tomorrow... Frank On Mon, 10 Jul 2006 02:21:25 GMT, frank1492 wrote: Hello All- For starters, will the wise guys (and their wives) who thought I was so stupid please google "paddle wheel transducer" and see what comes up? Thanks. To the others, the boat is a 1988 Grady White Seafarer with a thru-hull transducer.The paddle wheel is located left of center about 2-3 feet forward of the stern. I do not recall the manufacturer of the depth finder. I will check tomorrow. (Boat currently at mooring.) There are no obvious irregularities on the hull and the boat was just launched so no opportunity to accumulate marine growth. The problem occurred rather suddenly. If the transducer is mounted inside the boat, I would assume it would be found just above the port above the paddle wheel, correct? And could that port be clogged with barnacles even though the paddle wheel itself appeared clean? I will try to find that transducer and hope it is not mounted under the gas tank! Thanks to those who have tried to help. Frank On Sun, 09 Jul 2006 01:54:08 GMT, frank1492 wrote: It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
Depth Finder Stops Working
Frank - It could be that you have a tri-ducer - these include both paddle
wheel for speed, depth transducer and temperature. It is possible that you have one of these with just the depth hooked up. Just follow the cable and you will find out. If it is reading a low fixed number, you may have a bad connection or the transducer or sounder may be bad. Maybe you could borrow a transducer and hang it over the side while plugged into your unit? This should be the best test. Good Luck "frank1492" wrote in message ... Hello All- For starters, will the wise guys (and their wives) who thought I was so stupid please google "paddle wheel transducer" and see what comes up? Thanks. To the others, the boat is a 1988 Grady White Seafarer with a thru-hull transducer.The paddle wheel is located left of center about 2-3 feet forward of the stern. I do not recall the manufacturer of the depth finder. I will check tomorrow. (Boat currently at mooring.) There are no obvious irregularities on the hull and the boat was just launched so no opportunity to accumulate marine growth. The problem occurred rather suddenly. If the transducer is mounted inside the boat, I would assume it would be found just above the port above the paddle wheel, correct? And could that port be clogged with barnacles even though the paddle wheel itself appeared clean? I will try to find that transducer and hope it is not mounted under the gas tank! Thanks to those who have tried to help. Frank On Sun, 09 Jul 2006 01:54:08 GMT, frank1492 wrote: It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
Depth Finder Stops Working
frank1492 wrote:
Now I get it. You all had a right to laugh. Actually it made much more sense that the paddle wheel should measure speed, except I have no speedometer on this boat!! (Never did have.) My guess is that the depth finder transducer is mounted to the floor just below the engine. Checking tomorrow... Frank Frank, It ain't what you say, it's the way that your say it! You had us all fooled anyway, and I must confess I have learned something after 50 years sailing, that there really IS a paddle wheel/transducer combined! We all have to live an' learn! Dennis. On Mon, 10 Jul 2006 02:21:25 GMT, frank1492 wrote: Hello All- For starters, will the wise guys (and their wives) who thought I was so stupid please google "paddle wheel transducer" and see what comes up? Thanks. To the others, the boat is a 1988 Grady White Seafarer with a thru-hull transducer.The paddle wheel is located left of center about 2-3 feet forward of the stern. I do not recall the manufacturer of the depth finder. I will check tomorrow. (Boat currently at mooring.) There are no obvious irregularities on the hull and the boat was just launched so no opportunity to accumulate marine growth. The problem occurred rather suddenly. If the transducer is mounted inside the boat, I would assume it would be found just above the port above the paddle wheel, correct? And could that port be clogged with barnacles even though the paddle wheel itself appeared clean? I will try to find that transducer and hope it is not mounted under the gas tank! Thanks to those who have tried to help. Frank On Sun, 09 Jul 2006 01:54:08 GMT, frank1492 wrote: It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
Depth Finder Stops Working
frank1492 wrote:
For starters, will the wise guys (and their wives) who thought I was so stupid please google "paddle wheel transducer" and see what comes up? Thanks. I get a lot of hits on transducers that measure flow or movement, nothing about depth. And it was a statement made in ignorance that was funny when read. It is that simple. If the transducer is mounted inside the boat, I would assume it would be found just above the port above the paddle wheel, correct? Not necessarily. It could be a in hull, thru hull, or transom mounted model. Look at them he http://www.airmartechnology.com/airm...wn.asp?Type=FF I'd expect to find anything from a nearly flat surface (about the same amount of protrusion as a through hull inlet or discharge fitting) but with no hole in it. Or maybe a smoothly faired lump of bronze with an inch or two of protrusion. And could that port be clogged with barnacles even though the paddle wheel itself appeared clean? A transducer is not a port, it has no opening or hole. It is like a small combination magnetic speaker and and microphone. It generates sound waves (inaudible to the human ear) that travel through the water. Then it shuts up, listens for a return, and sends that back to the display module where the return is processed. It will generally look like a flat surface and will be aimed more or less straight down. Forget the paddle wheel. It has nothing to do with depth finding. Forget anything that might have a hole in it. Look for something that looks something like the ones in the photos at the Airmar link. I will try to find that transducer and hope it is not mounted under the gas tank! Unlikely location. But the short slightedness of boat builders can't be underestimated. Worst case, if you have a display, follow the coaxial cable that comes out of the back of the display and you'll find a transducer. Or you may find a pair of wires that go to a a processor (the brains of the operation) that may be mounted below decks in the same general area as the transducer. Thanks to those who have tried to help. You're welcome. Jack -- Jack Erbes in Ellsworth, Maine, USA - jackerbes at adelphia dot net (also receiving email at jacker at midmaine.com) |
Depth Finder Stops Working
Thanks to all for your follow-up on my problem,
particularly to Jack When I get out to the boat (maybe not until tomorrow) I will get the manu. of the unit and look at the display with the line to the transducer disconnected to see if I get the same reading. Probably nothing conclusive from that but I'd like to see what happens. I now think I do remember seeing that transducer when painting the bottom. It was, as Jack said, like a plugged thru-hull fitting, and I think it was the same distance forward as the paddle wheel, though on the opposite side. If that's the case the top parts of the two transducers are easily visible under the engine, and I have seen them many times. I will keep you posted, and thanks all again. Frank , On Mon, 10 Jul 2006 02:21:25 GMT, frank1492 wrote: Hello All- For starters, will the wise guys (and their wives) who thought I was so stupid please google "paddle wheel transducer" and see what comes up? Thanks. To the others, the boat is a 1988 Grady White Seafarer with a thru-hull transducer.The paddle wheel is located left of center about 2-3 feet forward of the stern. I do not recall the manufacturer of the depth finder. I will check tomorrow. (Boat currently at mooring.) There are no obvious irregularities on the hull and the boat was just launched so no opportunity to accumulate marine growth. The problem occurred rather suddenly. If the transducer is mounted inside the boat, I would assume it would be found just above the port above the paddle wheel, correct? And could that port be clogged with barnacles even though the paddle wheel itself appeared clean? I will try to find that transducer and hope it is not mounted under the gas tank! Thanks to those who have tried to help. Frank On Sun, 09 Jul 2006 01:54:08 GMT, frank1492 wrote: It seems stuck at 2 or 2.1 feet. I checked the paddle wheel before launch, removed the barnacles, and it spun freely. Any ideas as to where the trouble might lie? Thanks in advance! Frank |
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