[PSUBS-MAILIST] anodising

Alec Smyth via Personal_Submersibles personal_submersibles at psubs.org
Tue Feb 7 22:15:45 EST 2017


Hi Brian,

I found a place in PA that was literally one tenth the price I was quoted
locally, and have used them several times. Here's the website:
mzanodizing.com
<https://www.google.com/url?sa=t&rct=j&url=http%3A%2F%2Fwww.mzanodizing.com%2F&source=maps&cd=1&usg=AFQjCNG5wSDrwgCIxq8HoiNDbujFpF_Cog&sig2=DKPINfmrYFqWL9Q2_PJrzQ&ved=1t%3A3443%2Cp%3AwIyaWPDDKMiNmQHSgoeADQ>


Best,

Alec

On Tue, Feb 7, 2017 at 5:43 PM, Brian Cox via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Just got a price for anodizing in Idaho   --       one third the cost
> !!!    Going to visit my daughter there, so may not have to pay for
> shipping !!
>
>
>
> Brian
>
>
>
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org
> >
> To: "Personal Submersibles General Discussion" <
> personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] anodising
> Date: Mon, 6 Feb 2017 12:44:24 -0800
>
> I'm seriously thinking about going out of state for anodizing.  Probably
> cheaper including shipping.
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Hugh Fulton via Personal_Submersibles <personal_submersibles at psubs.
> org>
> To: "'Personal Submersibles General Discussion'" <
> personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] anodising
> Date: Tue, 7 Feb 2017 09:37:10 +1300
>
> Emile,
> That is a nice Anodiser doing quality stuff.   You are lucky to have
> facilities like that.  In New Zealand we do not have enough industry for
> supporting that.  We are not much better than Fiji.  But nice views and
> walking tracks!!
>
> Hugh
>
> *From:* Personal_Submersibles [mailto:personal_submersibles-
> bounces at psubs.org] *On Behalf Of *emile via Personal_Submersibles
> *Sent:* Sunday, 5 February 2017 2:56 AM
> *To:* 'Personal Submersibles General Discussion'
> *Subject:* Re: [PSUBS-MAILIST] anodising
>
> Brain,
>
> That is a pity . the process itself is not very expensive.
> My anodizer (http://ko-ar.nl/en/anodising/) charges some 50,- for a 24”
> domehatch ring.
>
>
> Emile
>
> *Van:* Personal_Submersibles [mailto:personal_submersibles-
> bounces at psubs.org] *Namens *Brian Cox via Personal_Submersibles
> *Verzonden:* zaterdag 4 februari 2017 8:13
> *Aan:* Personal Submersibles General Discussion
> *Onderwerp:* Re: [PSUBS-MAILIST] anodising
>
> Alan,
>                 The cost of anodizing alone I could probably make 3 or 4
> duplicates !   Especially here in Kalifornia !   They tack on an additional
> 9% environmental extortion fee, plus 7.5% sales tax !   It's starting to
> get expensive !!
>
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org>
> Subject: Re: [PSUBS-MAILIST] anodising
> Date: Sat, 4 Feb 2017 17:25:02 +1300
> Brian,
> I would get it anodised to be on the safe side. You will have several
> o-rings
> sealing on to it not to mention the big one that will seal it to the hull.
> You
> could have seawater entrapped in the o-ring grooves corroding it while it's
> out of the water.
> Alan
>
> Sent from my iPad
>
>
> On 4/02/2017, at 3:45 PM, Brian Cox via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Sean,    Salt water,  but the aluminum (6061) that I have is completely
> isolated from any other metal, basically it is a 6" dia x 11/2" thick disk
> ( replaces my viewport) and I'm running aluminum penetrators thru the
> disk.
>
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: "Sean T. Stevenson via Personal_Submersibles" <
> personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org>
> Subject: Re: [PSUBS-MAILIST] anodising
> Date: Fri, 03 Feb 2017 18:01:31 -0700
> Brian - are you operating in salt or fresh water?  All of the vehicles I
> have worked on, for deployment in seawater, used 6061-T6 aluminum
> components, hard anodized black, and additionally protected with zinc
> anodes mounted to appropriately prepared (i.e. unanodized) surfaces.
>
> Sean
> On February 3, 2017 5:06:50 PM MST, Brian Cox via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
> Alan,
>             Now you've got me thinking that I might be able to get away
> with out anodizing my 6061 aluminum.  The data that I've been looking at
> shows good corrosion resistance for the 6061.  Hmm... I guess I could just
> try it out and see what happens !  Worst that could happen is I might have
> to replace the parts down the line.
>
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Alan James via Personal_Submersibles <personal_submersibles at psubs.
> org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org>
> Subject: Re: [PSUBS-MAILIST] anodising
> Date: Fri, 3 Feb 2017 23:07:54 +0000 (UTC)
>
> I am looking at free machining aluminium rod as one of the options for my
> light housing.
>
> It is sold as 2011 T3 to T6. Is this suitable for hard anodizing?
>
> It is no good for welding.
>
> Alan
> ------------------------------
> *From:* Hugh Fulton via Personal_Submersibles <
> personal_submersibles at psubs.org>
> *To:* 'Personal Submersibles General Discussion' <
> personal_submersibles at psubs.org> *Sent:* Saturday, February 4, 2017 10:51
> AM
> *Subject:* Re: [PSUBS-MAILIST] scrubber performance
>
> Brian,
> While Emile has a good anodiser there are many lousy ones out there.
> Generally anodising will add thickness.  Half goes into the metal and half
> goes on the outside.  Depending on the clearance or fit of your threads
> depends whether you have a problem  We anodise but have to allow for
> clearance..  The Anodisers I have available are very commercial and we have
> had issues affecting O’ring sealing so pick your anodiser carefully.  On a
> class 3 thread fit you cannot get complacent as 50 microns thickness is
> still 0.002” so a thread will have a much greater effect  While 50 microns
> is only 25 microns increase it means! 100 microns on clearance diameter if
> both male and female are anodised..  There are some new processes which
> claim will not add thickness such as diamondysing but that process is added
> ontop of normal anodising.  I would ask Emile what actual process his
> anodiser uses.  We would need to go to an aircraft certified anodiser.   We
> do our own hard anodising.  Pulse anodising will produce better results.
> Hugh
>
> *From:* Personal_Submersibles [mailto:personal_submersibles-
> bounces at psubs.org <personal_submersibles-bounces at psubs.org>] *On Behalf
> Of *emile via Personal_Submersibles
> *Sent:* Saturday, 4 February 2017 7:26 AM
> *To:* 'Personal Submersibles General Discussion'
> *Subject:* Re: [PSUBS-MAILIST] scrubber performance
>
> Brian,
>
> A good Anodizer can keep it the same size . With 30-50 Micron  thickness
> there can be some Microns “growth”
> Not a issue for O-rings and threads.
> My anodize offers a Teflon dip after anodizing to make it more water
> repellant.
>
> Emile
>
> *Van:* Personal_Submersibles [mailto:personal_submersibles-
> bounces at psubs.org] *Namens *Brian Cox via Personal_Submersibles
> *Verzonden:* vrijdag 3 februari 2017 18:05
> *Aan:* Personal Submersibles General Discussion
> *Onderwerp:* Re: [PSUBS-MAILIST] scrubber performance
>
> Cliff,                 Will I have to worry about threads or o ring
> tolerances after the process?
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.
> org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org>
> Subject: Re: [PSUBS-MAILIST] scrubber performance
> Date: Fri, 3 Feb 2017 10:45:26 -0600
> Brian, I am not a corrosion expert but have found that hard anozizing
> (Mil-A-8625 type III) seems to work fine for my parts.  My experience is
> that PSUB stuff gets banged around a lot so addeded thinckness and hardness
> that comes from Mil-A-8625 type III seems to work out better.  Most of my
> marine experience has been in fresh water lakes so we really need to get
> someone with a lot of saltwater experience to chime in.  Also most psubbers
> don't leave their boats in the water all the time and rinse off the boat
> after use.  This also tends to mitigate corrosion.
>
> Cliff
>
> On Fri, Feb 3, 2017 at 9:50 AM, Brian Cox via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
> Cliff,   Is the Mil-A-8625 type III class 2 black  anodizing sufficient
> for exposure to sea water?  Using 6061 aluminum.
>
> Brian
>
>
> --- personal_submersibles at psubs.org wrote:
>
> From: Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.
> org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org>
> Subject: Re: [PSUBS-MAILIST] scrubber performance
> Date: Fri, 3 Feb 2017 09:30:18 -0600
> Sounds like you are having fun coming up to speed on PLCs. Get your wife
> to take the video of your hand waving.  We would all appreciate the
> entailment value!  It a lot of fun to bench test components being operated
> by PLC and see them come to life based on your code.  As to compass
> heading, roll, pitch and yaw sensor, I use the Ocean-server
> http://www.ocean-server.com/compass.html   OS5000-S Solid State tilt
> compensagted 3 axes digital compass,  This is a RS-232 serial device. You
> have to write som! e PLC ladder logic code to parse the ASCII string sent
> to the PLC to extract the data,  I packaged mine in a small 1-atm aluminum
> anadoized pod about the size of a tennis ball that I have mounted outside
> the steel pressure hull behind the pilot.  Even though the DoMore CPU you
> are using has several serial input ports that could be used for this
> sensor, I ended up getted a dedicated coprocessor module that plugs into
> one of the AutomationDirect PLC bases that enables me to write the parsing
> code in BASIC and enables me to dedicate the coprocessor to this sensor.
> It took me a while to come up to speed on RS-232 comuncations but I now
> have this working petty much bullet proof.  The coprocedssor then sends the
> heading, pitch, roll and yaw values to the PLC cpu to be used any way you
> want them.  Currently, I am only using this data on my HMI.
>
> Cliff
>
> On Fri, Feb 3, 2017 at 12:52 AM, David Colombo via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
> Hi Cliff,
> Its been slow going as I am finishing building my home. Should be finished
> in 45 days. But I have been making progress as I learn PLC coding and
> ladder logic in the evenings. Currently I am working thru the flight Joy
> Stick switch controls combined with a 4 position joystick base to control
> the (2) forward canard wings, (2) vertical thrusters  (2) horizontal
> thrusters, and (2) vectored rear thrusters to have a flight experience. I
> spend many hours in the evening when my wife is not looking waving my hands
> thru the air simulating flight and then coding the switches needed to make
> the mane! uver. I'm sure it would be entertaining to record a video.  I am
> curious, are you using any gyroscopic sensors for pitch and roll? I'm
> thinking I need to have some build into the coding so as to limit my human
> abilities as safety overrides.
>
> The next step is to get a bench setup with the joystick and canard wings
> to run tests on the coding and for flight training purposes. Just need to
> finish the house first. Mean while I'll be waving my hands in the air for a
> while.
>
> Best Regards,
> David Colombo
>
> 804 College Ave
> Santa Rosa, CA. 95404
> (707) 536-1424
> www.SeaQuestor.com <http://www.seaquestor.com/>
>
> On Thu, Feb 2, 2017 at 8:04 PM, Cliff Redus via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
> David, hope that you have made some progress on the design work for
> SeaQuester. When I first installed life support on the R300, I had sensors
> distributed all over the boat.  What I have move to is packaging all the
> Life Support related sensors in a single electrical box I call the AMOC
> module.  AMOC is an acronym for Air Management and Oxygen Control. This
> made it easier to maintain the system and made it easy to bench test. I
> feed HP O2 from an external tank to! this box.  It in turn breaks the
> pressure and emits the O2 to keep the mole percent balanced.  The PLC
> interfaces with the AMOC unit to monitor and control the air in the cabin.
> If you are interested, send me your email address to
> cliffordredus at sbcglobal.net and I will send you the DCI for the drawings
> associated with the AMOC  unit and the drawings.  The axial flow scrubber I
> use is the same one Alec used for Snoopy.  It has worked great. The PLC
> ladder logic code around the life support system is pretty straight
> forward.  What I like about the system is that it automatically compensates
> for different sized humans in the boat but yet retains a manual mode in the
> event both the main and auxiliary power are lost.  The assembly drawing for
> the AMOC unit details all the sensors as well as all the Swagelok fittings
> and circular disconnect.  This unit should work well with the
> AutomationDirect DoM! ore CPU you have.
>
> Cliff
>
>
> On Thu, Feb 2, 2017 at 7:50 PM, David Colombo via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
> Cliff, Thanks for answering the question I was just going to ask.  Did you
> build any special case to mount for replacement? I need to back and see the
> line of code you used so I can use it in my DoMore PLC
>
> Best Regards,
> David Colombo
>
> 804 College Ave
> Santa Rosa, CA. 95404
> (707) 536-1424
> www.SeaQuestor.com <http://www.seaquestor.com/>
>
> On Thu, Feb 2, 2017 at 2:46 PM, via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
> I have had good performance from this company but with their K30 sensor.
>  $85 and does give 0-5v analog output signal.  It span is 0-10,000 ppm
> (0-2%).
>
> Cliff
>
> Sent from my iPad
>
> On Feb 2, 2017, at 2:37 PM, River Dolfi via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> I did side-by-side tests on several low-cost ambient CO2 sensors when I
> was doing air quality instrumentation work, and I eventually settled on
> these units from COZIR.
> http://www.co2meter.com/products/cozir-0-2-co2-sensor
> They're only about $70US, have bui! lt in self calibration, super
> reliable, and have very low current draw compared to other sensors. The big
> rub is that it isn't analog output, but serial.
> You would have to interface it with a microcontroller (which is an easy
> enough job with a $20 Arduino) and have it set up to display to an LCD,
> trip an alarm at critical levels, possible demand control of the scrubber,
> other sensors, etc.
> I have an identical system built for the health department currently
> running 70 (70!!!) of these sensors and others on battery power across the
> city in the elements. They are that good.
>
> I recently found about half of a medical scrubber in a dumpster, so I've
> been thinking about life support lately.
>
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