A great guide, but one thing I would suggest is to use the pump to inflate
as well as deflate, to avoid adding moisture and bacteria by blowing into
it which may lead to mildew over time.

--
Shawn Wright
shawngwri...@gmail.com




On Mon, Jan 6, 2025 at 9:10 PM CHARLES SCHEAFFER via CnC-List <
cnc-list@cnc-list.com> wrote:

> My oldest inflatable PFDs were made in 2002 and their CO2 cartridges were
> replaced in 2007.  I was thinking I had to replace the CO2 bottles and was
> temtped to pull the rip cords but learned some things last week from other
> boat owners.  You can save some real money by not pulling the PFD
> rip-cord.
>
> I learned you don't need to replace the cartridge if it weighes more than
> the minimum gross weight stamped on the bottle.  (Because it will weigh
> less if any gas leaked out.)  And you can test the bladder by just blowing
> through the mouth tube until it's firm and waiting overnight to be sure it
> holds the pressure.  It's best to deflate the thing using an air matress
> compressor or a portable air compressor, cause you want to remove all the
> air before repacking.   You do need to replace the bobbins, because they
> have an expiration date stamped on them.  But CO2 bottles have no
> expiration date.  Weigh them on a digital food scale and write the weight
> and date on a tape label each year.  Replace any bottles showing corrosion
> or damage.  Keep the bobbins up to date.   Do the pressure test for 12 or
> 24 hrs once a year and you'll be assured your PFD will work when needed and
> save $ as well.
>
> So here it is January and there is 8 inches of snow on my boat and I'm
> home testing the PFDs and checking off one more thing that's needed before
> sailing season.
>
> Hope sharing this helps others,
> Chuck Scheaffer, Resolute 1989 C&C 34R Annapolis
>
>
>
> On 01/06/2025 6:32 PM EST Bill Coleman via CnC-List <cnc-list@cnc-list.com>
> wrote:
>
>
> Exactly!
> That's what we did -
> https://youtu.be/wfq30jP_58k
>
> Bill Coleman
> Entrada, Erie PA
>
> On Fri, Jan 3, 2025 at 9:41 AM Novabraid via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
> If I have expired bobbins and antique CO2 cartridges and I’m wondering if
> the bladder on my PFD has leaks, why not pull the cord and inflate the PFD
> and check for leaks?  You’re going to replace the bobbins and cartridges
> anyway so save yourself the hassle of trying to blow the PFD up manually
> (which is likely to underinflate the bladder to start with) and check for
> leakage.
>
> And Charlie, you won’t get far looking online for Landmark.. the company
> is Landfall Navigation in Stamford CT. www.landfallnavigation.com .
> Another source would be Life raft and Survival in Tiverton, RI. Life
> Jackets, Safety Vests & PFDs – Life Raft and Survival Equipment, Inc.
> <https://www.lrse.com/collections/life-jackets>
>
> Chuck Gilchrest
>
> s/v Half Magic
>
> 1983 LF 35
>
> Padanaram, MA
>
> *From:* Steve Mallett via CnC-List <cnc-list@cnc-list.com>
> *Sent:* Friday, January 3, 2025 5:04 AM
> *To:* Stus-List <cnc-list@cnc-list.com>
> *Cc:* Steve Mallett <steve.mallet...@gmail.com>
> *Subject:* Stus-List Re: CO2 cartridge Re: Inflatable PFDs
>
>
>
>
>
> On Fri, Jan 3, 2025, 2:30 a.m. CHARLES SCHEAFFER via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
> Hey guys,
>
> I'll check Landmark.  I'm just wary that companies sell safety equipment
> that is outdated.
>
>
>
> I recently (today) learned that it's possible to recertify your CO2
> cartridges yourself, and keep and reuse them indefinitely saving $$$$$.
> You simply need to weigh the cartridge using a digital scale like a food
> scale and record the weight and date on the CO2 cylinder. My 38 gram CO2
> bottles were marked, Minimum Gross Weight of 149 grams and the actual
> weight came to 153 grams and 157 grams.  I used two different scales to
> confirm my test.
>
>
>
> I have four inflatable PFDs.  I pulled the CO2 bottles and three look
> brand new though they were made in 2003 and 2007.  I will replace the
> corroded one, even though it passed the weight test.  I weighed the others
> individually and used a piece of rigging tape and a sharpie to record the
> weight in grams and the date, when they were checked.   I've been told they
> need to be checked annually, and this method meets that criteria.
>
>
>
> The water activated "bobbin" is different.  It has an expiration date
> printed on it and most Coast Guard inspections will want that current and I
> might keep a spare CO2 and bobbin, onboard in a ziplocked sandwich bag if I
> were planning a trip to Bermuda.
>
>
>
> If you want to be more assured and safety minded, you can open the PFDs
> further and manually blow up the bladder as best you can and wait 24 hours
> to test for leaks.  Then squeeze out all the air, rearm them, and refold
> them back into their jackets and return them to service.   I may do that
> tomorrow as there's no sense depending on a PFD or buying a new CO2
> cartridge if it can't maintain pressure?
>
>
>
> Hope this helps others,
>
> Chuck Scheaffer, Resolute, 1989 34R, Annapolis
>
>
>
>
>
> On 01/02/2025 4:11 PM EST Richard Bush via CnC-List <cnc-list@cnc-list.com>
> wrote:
>
>
>
>
>
> Chuck, great question, I need some too!
>
>
>
> Richard
>
> 1985 C&C 37 CB; Mile 596, Ohio River
>
> Richard N. Bush Law Offices
>
> 2950 Breckenridge Lane
> <https://www.google.com/maps/search/2950+Breckenridge+Lane?entry=gmail&source=g>,
> Suite Nine
>
> Louisville, Kentucky 40220
>
> (502) 584-7255
>
>
>
>
>
> On Thursday, January 2, 2025 at 02:20:19 PM EST, CHARLES SCHEAFFER via
> CnC-List <cnc-list@cnc-list.com> wrote:
>
>
>
>
>
> Hey guys,
>
> Where is the best place to buy CO2 cartridges for inflatable PFDs?
>
>
>
> Thanks,
>
> Chuck
>
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>
> Your contributions help pay the fees associated with this list and help to
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>
> Your contributions help pay the fees associated with this list and help to
> keep it active.  Please help by making a small contribution using PayPal
> at:  https://www.paypal.com/paypalme/stumurray  All contributions are
> greatly appreciated.
>
> Your contributions help pay the fees associated with this list and help to
> keep it active. Please help by making a small contribution using PayPal at:
> https://www.paypal.com/paypalme/stumurray All contributions are greatly
> appreciated.
>
> Your contributions help pay the fees associated with this list and help to
> keep it active.  Please help by making a small contribution using PayPal
> at:  https://www.paypal.com/paypalme/stumurray  All contributions are
> greatly appreciated.
Your contributions help pay the fees associated with this list and help to keep 
it active.  Please help by making a small contribution using PayPal at:  
https://www.paypal.com/paypalme/stumurray  All contributions are greatly 
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