[C320-list] Knot meter

[Scott Thompson]

The newer Raymarine speed thruhulls do not have the flap. But it is 
still manageable to swap the plug and transducer even in the water.

On 5/1/2015 7:49 AM, Elizabeth Schwartz wrote:
> Ahoy....The paddle wheel is as Don says......the devise is easily 
>  removable, ..I think there is a flap that prevents water from gushing 
> in when removing or placing the paddle wheel. I normally don't use the 
> speedometer for day sailing, keeping the wheel clean for cruising. 
> There is a plastic screw cap to hold the unit, or plug in place. Joe n 
> Beth....#245
>
>
> On Fri, May 01, 2015 at 05:57 AM, Don Dixon wrote:
>
>> There is a plug that allows the paddle wheel to be removed and 
>> cleaned.  I suspect that is one of the lens things you describe (the 
>> other is the depth finder).   Look in the bilge just aft of the 
>> forward berth and see if paddle wheel is sitting there.  If so, swap 
>> it out with the plug (thus can be done in water, just a bit messy.
>>
>> Regards,
>>
>> Don Dixon
>> Stargazer, #605
>> Key West, FL
>>
>> Sent from my iPad
>>
>>> On Apr 30, 2015, at 22:37, Denny Browne wrote:
>>>
>>> I feel dumb. Knot meter hasn't worked since the last bottom job. I 
>>> thought the yard guys bent the little paddle wheel with the sling, 
>>> but I just hauled it again and there isn't a little paddle wheel. 
>>> There's just this little round lens in the middle of the through 
>>> hull, flush with it. Same for the depth sounder, which seems to work 
>>> fine.
>>> Anyone want to venture a guess as to why the knot meter might just 
>>> quit? How does the gizmo in the hull know how fast you're moving 
>>> through the water?
>>>
>>> Any insights, no matter how obvious, are appreciated.
>>> Denny Browne
>>> A Cappella #935
>>> Redondo Beach
>>>
>>> Sent from iPhone, sorry for typos, grammar, etc...
>>