Hull Mount Transducer Location on '99 Dauntless 16

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Author Topic:   Hull Mount Transducer Location on '99 Dauntless 16

tuck95 posted 08-08-2001 09:38 AM ET (US)
Does anyone know if there is a "prelocated pocket" in the hull for a transducer on a '99 Dauntless 16. If so...please specify the location. Thanks!
B Bear posted 08-08-2001 04:08 PM ET (US)
Sorry I can't help, I mounted a transom mout transucer on mine. Maybe you should contact, e-mail or call, Boston Whaler, I am sure they will give you the correct information about using a (my guess) though the hull transducer. I don't believe the construction of a Boston Whaler will allow for that type of transducer.
Bear
tuck95 posted 08-08-2001 06:21 PM ET (US)
Thanks...I just bought a Garmin 240 for the Dauntless (which I just bought as well) and the manual said that many manufacturers leave a pocket in the hull during fabrication for this purpose. I'll contact Whaler directly.
By the way, if I do have to mount the transucer on the transom, what suggestions do you have for routing the wiring through the hull and for the mount location. Thanks again!
B Bear posted 08-08-2001 11:33 PM ET (US)
I'll send you a picture of the location on my transom. The wire lead is threaded through the engine rigging boot up through the tunnel and into the console.
Bear
jimh posted 08-09-2001 09:25 AM ET (US)
First, read my article on this topic:
http://continuouswave.com/maintenance-logs/transomTransducer/
You will most likely end up with a transom mount transducer, which is really preferable to a thru-hull for your application anyways.
Mount the transducer on the PORT side of the transom, clear of the engine lower unit. Check the hull bottom and do not mount the transducer in-line with any strakes in the hull.
The transducer should be mounted with the lower face of the transducer projecting just below the bottom of the hull. Most mounts allow for some adjustment after drilling the holes, so position your holes to permit some up/down change in the location. You may need to tune the location slightly.
Be sure to aim the transducer straight down, not flush with the hull curve.
The transducer will work almost anywhere at low speeds. When you can hold the bottom echo at 30 MPH or more, you have a good location.
By all means, DO NOT run the cables through the motor well drain holes. That is the ugliest installation technique possible. It is much better to bring the cables up and over the transom. This will also make re-rigging them later much easier if you need to replace them.
Use some cable clamps to hold the cable(s) tight to the transom, spacing them as necessary but generally about 6-8 inches apart.
--jimh

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Author	Topic: Hull Mount Transducer Location on '99 Dauntless 16
tuck95	posted 08-08-2001 09:38 AM ET (US) Does anyone know if there is a "prelocated pocket" in the hull for a transducer on a '99 Dauntless 16. If so...please specify the location. Thanks!
B Bear	posted 08-08-2001 04:08 PM ET (US) Sorry I can't help, I mounted a transom mout transucer on mine. Maybe you should contact, e-mail or call, Boston Whaler, I am sure they will give you the correct information about using a (my guess) though the hull transducer. I don't believe the construction of a Boston Whaler will allow for that type of transducer. Bear
tuck95	posted 08-08-2001 06:21 PM ET (US) Thanks...I just bought a Garmin 240 for the Dauntless (which I just bought as well) and the manual said that many manufacturers leave a pocket in the hull during fabrication for this purpose. I'll contact Whaler directly. By the way, if I do have to mount the transucer on the transom, what suggestions do you have for routing the wiring through the hull and for the mount location. Thanks again!
B Bear	posted 08-08-2001 11:33 PM ET (US) I'll send you a picture of the location on my transom. The wire lead is threaded through the engine rigging boot up through the tunnel and into the console. Bear
jimh	posted 08-09-2001 09:25 AM ET (US) First, read my article on this topic: http://continuouswave.com/maintenance-logs/transomTransducer/ You will most likely end up with a transom mount transducer, which is really preferable to a thru-hull for your application anyways. Mount the transducer on the PORT side of the transom, clear of the engine lower unit. Check the hull bottom and do not mount the transducer in-line with any strakes in the hull. The transducer should be mounted with the lower face of the transducer projecting just below the bottom of the hull. Most mounts allow for some adjustment after drilling the holes, so position your holes to permit some up/down change in the location. You may need to tune the location slightly. Be sure to aim the transducer straight down, not flush with the hull curve. The transducer will work almost anywhere at low speeds. When you can hold the bottom echo at 30 MPH or more, you have a good location. By all means, DO NOT run the cables through the motor well drain holes. That is the ugliest installation technique possible. It is much better to bring the cables up and over the transom. This will also make re-rigging them later much easier if you need to replace them. Use some cable clamps to hold the cable(s) tight to the transom, spacing them as necessary but generally about 6-8 inches apart. --jimh