Launched Touche' after haul out few years ago.  Same thing.  No water from
exhaust.  Assigned slip was only 100 feet or so from Travelift bay.  Got it
into slip quickly and shut engine down.

Intake valve was open.  Strainer was clear.  More investigation discovered
blockage in the intake thru hull.  Had to clear it by removing hose from
inlet valve and back flushing with dock water pressure.  Never saw what the
blockage was.  Could have been a mud dauber nest.  I asked the contractor
if they ever blocked the thru hulls for any reason.  Said never.

Now I check each thru hull before launch.

Dennis C.
Touche' 35-1 #83
Mandeville, LA



On Sat, Mar 10, 2018 at 1:55 PM, robert via CnC-List <[email protected]>
wrote:

> I estimate the time TW was launched to the time we got aboard (I boarded
> with the contractor) maybe 25 minutes.....so if someone can do the
> calculation with a 1" hole with water being forced in, that is how much
> water entered the boat.
>
> I am surprised that this wasn't detected on launch.  Our boats are on
> cradles that get lowered into the water on a marine railway.....the yard
> staff usually submerge the hull until all thru hulls are underway but not
> enough for the boat to move on the cradle....then someone goes below (owner
> in my case,yard staff or contractor) and checks everything out,
> specifically the thru hulls to ensure something like this does not happen.
> If there is a problem detected, they can pull the boat without lining it up
> on the cradle.
>
> Never happened in this case!
>
> One year when we were launching AZURA, the boat was submerged but not yet
> floating off the cradle.....that's when I start the engine and check the
> thru hulls....when I come back up, yard staff tell me to stop the
> engine....no water coming out...boat hauled back out...check thru hull
> intake for blockage....all clear...in-take hose is transparent and looks
> clear.....back in the water....start engine....no water...shut it down.
> Yard manager getting frustrated with me....start engine third time, no
> water.....take a hard look into the engine compartment....raw water
> strainer still has antifreeze in it....hmmm, think...reached in and tighten
> the two wing nuts on the cap of the raw water strainer.....it was sucking
> in air and not water.   I didn't tighten it in the Fall when I drained it
> and filled with antifreeze.
>
> Rob Abbott
> AZURA
> C&C 32 -84
> Halifax, N.S.
>
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