[Public-list] Propane Locker

Gordon Laco mainstay at csolve.net
Mon Aug 16 11:56:32 PDT 2004 

Mmmm - that's it.  Y'know, I never thought of it before but you could turn
off the the sea cock and that would silence the slurping!

Gord







> Thanks Gord,
> 
> Do you think I can assume, when the bathtub sound occurs, the air is being
> ventilated (sucked) from the lazarette?
> 
> Roger
> 
> 
> Roger L. Kingsland, AIA
> Managing Partner
> Kingsland Scott Bauer Associates (KSBA)
> N40° 27' 49"  W79° 57' 59"
> 3441 Butler Street
> Pittsburgh, PA 15201
> www.ksba.com
> 
> 1(412) 252-1500 X101 - Office & Voice Mail
> 1(412) 779-5101 - Mobile (no voice mail)
> 1(412) 252-1510 - Fax
> 
> 
> ----- Original Message -----
> From: "Gordon Laco" <mainstay at csolve.net>
> To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
> Sent: Monday, August 16, 2004 2:33 PM
> Subject: Re: [Public-list] Propane Locker
> 
> 
>> Hi there Roger -
>> 
>> You can indeed improve the efficiency of the drains by putting aft facing
>> half shells over the outlets...the only problem is they are quite noisy
> when
>> the boat is doing more than say 4.5 knots.  The sound is like that if a
>> bathtub draining - and it goes on all the time.
>> 
>> Gord 426
>> 
>> 
>> 
>> 
>> 
>>> David,
>>> 
>>> I was wondering if the shape of the air vents on either side of the
>>> lazarette might actually promote suction that would ventilate (suck)
> even if
>>> the vent is under water.  I am reminded of the "L" shaped protrusions
> (about
>>> 3'' long parallel to the fuselage and sticking out about 1'1/2") on
> small
>>> planes that I believe are used to measure air speed.  It would seem with
> a
>>> small hole and water zooming  by (relative term) on all sides, the
>>> efficiency could be better than those self bailing cockpit drains you
> see on
>>> Sunfish.  Unfortunately, short of setting up some hit and miss
> experiments,
>>> I don't know where to research this subject.  Any hints?
>>> 
>>> Roger
>>> 
>>> Roger L. Kingsland, AIA
>>> Managing Partner
>>> Kingsland Scott Bauer Associates (KSBA)
>>> N40° 27' 49"  W79° 57' 59"
>>> 3441 Butler Street
>>> Pittsburgh, PA 15201
>>> www.ksba.com
>>> 
>>> 1(412) 252-1500 X101 - Office & Voice Mail
>>> 1(412) 779-5101 - Mobile (no voice mail)
>>> 1(412) 252-1510 - Fax
>>> 
>>> 
>>> ----- Original Message -----
>>> From: "David Fisher" <liquid_addiction at hotmail.com>
>>> To: <public-list at alberg30.org>
>>> Sent: Sunday, August 15, 2004 8:09 PM
>>> Subject: Re: [Public-list] Propane Locker
>>> 
>>> 
>>>> Jim, do you access your rudder stuffing box (assuming you have one on
> your
>>>> boat...) via the lazarette or through the cockpit lockers?  this is the
>>> only
>>>> concern that really springs to mind there.  As to the increased
> waterline
>>>> when healing and the wake pattern along the hull at speed, would this
> not
>>> be
>>>> a problem only if the boat was sustaining these attitudes over a
> sustained
>>>> period, eg. on passage?  Even in this case, the behaviour of the boat
>>> should
>>>> allow the vents to drain with some regularity; in tacks or just through
>>> her
>>>> behavoiur in a sea.  If the boat stops at the end of the day, then the
>>>> locker would drain freely then.  To me this seems sufficient.  Does
> anyone
>>>> have experience to the contrary?
>>>> 
>>>> My idea originally had been to house the bottle in a drum secured in
> the
>>>> lazarette which drains via a hose to a through hull at the base of the
>>>> transom.  The bottle manufacturers have conspired against me on this
> one,
>>>> indicating that it should be stored and used vertically.  It's
> something I
>>>> plan to look into further...  The idea of having smaller tanks and so
>>> having
>>>> a spare is attractive as it lessens the possibility of running out just
>>> when
>>>> the roast's gone in.
>>>> 
>>>> Cheers,
>>>> 
>>>> David, Kalitsah 440, Sydney.
>>>> 
>>>> 
>>>>> From: "Jim Davis" <a30240 at earthlink.net>
>>>>> Reply-To: Jim Davis <a30240 at earthlink.net>,Alberg 30 Public List --
> open
>>> to
>>>>> all <public-list at alberg30.org>
>>>>> To: "John Belt" <johnrbelt at worldnet.att.net>,"Alberg 30 Public List --
>>> open
>>>>> to all" <public-list at alberg30.org>
>>>>> Subject: Re: [Public-list] Propane  Locker
>>>>> Date: Fri, 13 Aug 2004 21:58:47 -0400
>>>>> 
>>>>> John
>>>>> 
>>>>> Thanks for the most concise answer.
>>>>> 
>>>>> Roger
>>>>> Also note water will sometimes come up the cockpit scuppers when
> heeling.
>>>>> For propane you want to be absolutely certain it does vent overboard
> and
>>>>> not
>>>>> settle to the bilge.  Your insurance and the Coast Guard can get real
>>> hyper
>>>>> tense over this.  Of course if it does blow, you will be part of
> someone
>>>>> else's problem as your will probably cease quickly.
>>>>> 
>>>>> Jim Davis
>>>>> S/V Isa Lei
>>>>> CT 35
>>>>> 
>>>>> 
>>>>> If man does find the solution for world peace it will be the most
>>>>> revolutionary reversal of his record we have ever known.
>>>>> George C. Marshall
>>>>> 
>>>>> ----- Original Message -----
>>>>> From: "John Belt" <johnrbelt at worldnet.att.net>
>>>>> To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>;
>>> "Jim
>>>>> Davis" <a30240 at earthlink.net>
>>>>> Sent: Friday, August 13, 2004 16:29
>>>>> Subject: Re: [Public-list] Propane Locker
>>>>> 
>>>>> 
>>>>>> Has anyone noticed that when a displacement boat goes faster, it
>>> squats
>>>>> by
>>>>>> the stern, submerging any holes in that area that were just a little
>>>>> above
>>>>>> the waterline when the boat is at rest? Specifically, the engine
>>> exhaust
>>>>> on
>>>>>> my Alberg 30 was under water when the boat was moving at 6 knots,
>>> power
>>>>> or
>>>>>> sail.  That is why the muffler and exhaust pipe had to be routed to
>>> make
>>>>> a
>>>>>> loop as high as possible to keep water from entering the exhaust line
>>>>> and
>>>>>> the engine.
>>>>>> 
>>>>>> 
>>>>>> This would make it pretty hard to put ventilating holes in the hull
>>> for
>>>>> a
>>>>>> propane tank.
>>>>>> 
>>>>>> From a former Alberg 30 owner
>>>>>> 
>>>>>> 
>>>>> 
>>>>> _______________________________________________
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>>>>> Public-list at alberg30.org
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>>>> 
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