Boat Forum / Electronics / May 2007

I read the following on another forum and have a few questions
regarding same:
"I don't know anyone else doing this and I really don't know why since
it saves money and works great. Everybody should know that with a

where can I get one of these, Raymarine is no longer stocking it. Any
ideas?
thanks!
Luc

where can I get one of these, Raymarine is no longer stocking it. Any
ideas?
thanks!
Luc

My Kelvin Hughes Huson 70 has developed a fault. At switch-on the
channel display is initially "16", then quickly changes to "EE".
Any advice on diagnosing & fixing the fault would be appreciated.
PS - I'm UK based.

just some general questions here to try to get my head around DC motors....
is there a direct relationship between max RPM and torque for motors of the
same wattage?  ie. if you have 2 ungeared motors that both draw 500watts and
one has a max 300RPM the other has a max 1000RPM, ...

Next to the c-card socket ther is another very small socket which looks a
bit like a mini usb one.
Does anyone know what it is for.
It is not shown in the manual.

http://www.seabis.com.au/tips.html
Hi,
   I am considering purchasing the above item.
   Could someone please let me know if this is a worthwhile purchase or

I have this AH 4000, the clutch lever doesn't work, and I don't know
how to take apart the drive unit "doughnut". That's the part that
attaches to the wheel.  The lever that engages the pilot is not
engaging. So I figure there's a belt or something in there, not sure,

My parents recently gave me their older boat. Dad didn't keep up on
maintenance with it and I'm trying to figure it all out.  Is there a cb
or other protection that would stop the engine from starting or power
tilt from working? It works for a second then stops and nothing.

All,
I took some more careful measurements. One of the things I noticed is
that the current I read needs 30 seconds or so to settle down
sometimes (e.g. it reads a higher current at first and then goes

I am using an insulated backstay.
I used to feed the navtex-receiver with it.
Now I connected it to my ssb transceiver and I am looking for an
alternative antenna for the navtex.

On my 39 foot Beneteau 393, I have a zinc fish connected to engine
ground via a stud I installed in my cockpit.
When I place an analog meter between the fish and the boat's ground, I
read 50 mA with most of my electrics off (except Link20, galvanic

Would anyone happen to know of  a supplier of 12 volt LCD's hopefully in
Canada? Don't need marine spec as such just 12 volt.
Thanks...

Larry,
I have jusy puchased a "Blue Seal" brand - "Bussman series High Amp
Circuit Breaker" - 125 Amps; for my anchor winch circuit.
Stated on the packaging under "featuires" is "combines switching and

I recently purchased a used Micrologic ml250 GPS to use as a backup GPS on
my boat.  After receiving it, I realized that the internal lithium battery
was dead.  I wanted to have it replaced, but Micrologic is out of business.
I've done some reading online and discovered that it's ...