[PSUBS-MAILIST] Motors filled with OIL
Alan via Personal_Submersibles
personal_submersibles at psubs.org
Wed Jan 10 18:48:07 EST 2018
Tarek,
also on Doug's sight is DryDive, an ambient submarine.
http://www.submarineboat.com/dry_ambient.htm
Alan
Sent from my iPad
> On 11/01/2018, at 2:14 AM, Tarek Harb via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
> Sorry Alan forget to mention that I do plan to dive out of it, so yes there
> is an Exit Hole at the bottom of the sub.
> Tarek
>
> -----Original Message-----
> From: Tarek Harb [mailto:tarek.harb at liu.edu.lb]
> Sent: Wednesday, January 10, 2018 2:20 PM
> To: 'personal_submersibles at psubs.org';
> 'personal_submersibles-request at psubs.org'
> Subject: Motors filled with OIL
>
> Alan,
> I plan to have the sub suitable for two people, Pilot + one Passenger, who
> will be sitting behind the Pilot. The initial design is inspired by the
> "Sea Shadow" stealth ship built for the United States Navy (not sure if you
> ever seen it). I can send some design pictures later if you like to see.
> Right now I am still building the Hull (welding + ), that is made out of 3
> mm steel. The Cock pit is a bit big (L=1.8 m, H, 0.9 m, and W = 0.7 m) but
> according to my calculations of C.O.G, C.O.B., and the Meta Centric Height,
> the sub should be stable and have stable equilibrium.
> Regarding the Thrusters, I think I will go with the "Air Compensation"
> method, as from what I know (I might be wrong) "Oil Compensating" not
> suitable for Brush Motors.
> If anyone ever tried that I appreciate letting me know.
>
> I know of Herve Jaubert's sub but I never read any detailed information
> about his design. Are they available anywhere?
>
> Regards
> Tarek
>
>
>
> Date: Wed, 10 Jan 2018 09:25:07 +1300
> From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion
> <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Motors filled with OIL
> Message-ID: <5C53A91C-CD18-4B53-8569-000F985594A7 at yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Tarek,
> what size sub are you planning, 1,2 person?
> Are you intending to dive from it from out of a moon pool in the bottom?
> Any design you want to share!
> Are you familiar with Herve Jaubert's ambient submarines?
> Regards Alan
>
>
> Sent from my iPad
>
>>> On 10/01/2018, at 8:39 AM, T Novak via Personal_Submersibles
>> <personal_submersibles at psubs.org> wrote:
>>
>> Thanks, Alan. 130fsw should work just fine, that's my sub's designated
>> max depth. Your ambient is really cool.
>>
>> -----Original Message-----
>> From: Personal_Submersibles
>> [mailto:personal_submersibles-bounces at psubs.org]
>> On Behalf Of Alan via Personal_Submersibles
>> Sent: Tuesday, January 9, 2018 11:04 AM
>> To: Personal Submersibles General Discussion
>> <personal_submersibles at psubs.org>
>> Subject: Re: [PSUBS-MAILIST] Motors filled with OIL
>>
>> Tim,
>> I didn't go much more than 30ft in it. It was really a concept
>> prototype for my 1atm. I will dive it again but with my new thrusters &
> motor controllers.
>> In theory it could go as deep a diver could on air.
>> Alan
>>
>> Sent from my iPad
>>
>>>> On 10/01/2018, at 5:48 AM, T Novak via Personal_Submersibles
>>> <personal_submersibles at psubs.org> wrote:
>>>
>>> Alan,
>>> What was the max depth that you tested your ambient sub?
>>> Tim
>>>
>>> -----Original Message-----
>>> From: Personal_Submersibles
>>> [mailto:personal_submersibles-bounces at psubs.org]
>>> On Behalf Of Alan via Personal_Submersibles
>>> Sent: Tuesday, January 9, 2018 2:00 AM
>>> To: Personal Submersibles General Discussion
>>> <personal_submersibles at psubs.org>
>>> Subject: Re: [PSUBS-MAILIST] Motors filled with OIL
>>>
>>> Hi Tarek,
>>> these were brushed. There are very few inexpensive brushless trolling
>>> motors around.
>>> One or two Chinese trolling motors I know of but generally a lot more
>>> expensive.
>>> There is nothing in the way of electronics inside the brushed motors.
>>> The main thing you have got to look out for if you want to either oil
>>> or air compensate electronics is the big cylindrical electrolytic
>>> capacitors. You get these in motor controllers. What pressure they
>>> crush
>> at I am not sure.
>>> Would be a good experiment to put a bunch of various sized capacitors
>>> in a pressure test chamber. You can pot around them with resin to
>>> strengthen them.
>>> I am making my own brushless thrusters from brushless sensored
>>> outrunner motors, & oil compensating them.
>>> Alan
>>>
>>>
>>> Sent from my iPad
>>>
>>>>> On 9/01/2018, at 9:04 PM, Tarek Harb via Personal_Submersibles
>>>> <personal_submersibles at psubs.org> wrote:
>>>>
>>>> hi Alan,
>>>>
>>>> Were these Trolling Motors Brushless or not and did they have any
>>>> Electronic components inside them? Can I still Air Compensate them
>>>> if they have Electronics inside?
>>>> Thanks
>>>>
>>>> -----Original Message-----
>>>> From: Personal_Submersibles
>>>> [mailto:personal_submersibles-bounces at psubs.org]
>>>> On Behalf Of via Personal_Submersibles
>>>> Sent: Monday, January 08, 2018 9:11 PM
>>>> To: personal_submersibles at psubs.org
>>>> Subject: Personal_Submersibles Digest, Vol 55, Issue 36
>>>>
>>>> Send Personal_Submersibles mailing list submissions to
>>>> personal_submersibles at psubs.org
>>>>
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>>>> or, via email, send a message with subject or body 'help' to
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>>>>
>>>> You can reach the person managing the list at
>>>> personal_submersibles-owner at psubs.org
>>>>
>>>> When replying, please edit your Subject line so it is more specific
>>>> than
>>>> "Re: Contents of Personal_Submersibles digest..."
>>>>
>>>>
>>>> Today's Topics:
>>>>
>>>> 1. Re: At Home O2 Cleaning Process
>>>> (Brian Cox via Personal_Submersibles) 2. Re: Motors filled with
>>>> OIL (Alan via Personal_Submersibles)
>>>>
>>>>
>>>> --------------------------------------------------------------------
>>>> -
>>>> -
>>>>
>>>> Message: 1
>>>> Date: Mon, 8 Jan 2018 08:08:31 -0800
>>>> 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] At Home O2 Cleaning Process
>>>> Message-ID: <20180108080831.C8ACDB98 at m0117164.ppops.net>
>>>> Content-Type: text/plain; charset="us-ascii"
>>>>
>>>> An HTML attachment was scrubbed...
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>>>>
>>>> ------------------------------
>>>>
>>>> Message: 2
>>>> Date: Tue, 9 Jan 2018 08:11:11 +1300
>>>> From: Alan via Personal_Submersibles
>>>> <personal_submersibles at psubs.org>
>>>> To: Personal Submersibles General Discussion
>>>> <personal_submersibles at psubs.org>
>>>> Subject: Re: [PSUBS-MAILIST] Motors filled with OIL
>>>> Message-ID: <1F7583C5-3CE9-4096-9981-4636046DEAB6 at yahoo.com>
>>>> Content-Type: text/plain; charset=us-ascii
>>>>
>>>> Tarek,
>>>> I built a very small dry ambient submarine using inexpensive Chinese
>>>> electric trolling motors. I air compensated the motors & hull using
>>>> slightly modified octopus regulators.
>>>> The motors for my next submersible will be oil compensated.
>>>> My project is under ambient & Alan James on the psub projects page.
>>>> Let me know if you need any more help.
>>>> Regards Alan
>>>>
>>>> Sent from my iPad
>>>>
>>>>>> On 8/01/2018, at 11:53 PM, Tarek Harb via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>
>>>>> Hi guys,
>>>>> I am building a Dry Ambient Submarine and I been having trouble
>>>>> finding a suitable Motors for it, as I don't want to spend 1000s of
>>>>> $ on
>>>> each motor.
>>>>> I am sure that the topic has been brought up many times before, but
>>>>> I would like to enquire about the best Trolling Motor that can be
>>>>> filled with OIL in order to withstand 40 meters Depth of Water.
>>>>>
>>>>>
>>>>>
>>>>> Appreciate any help in this matter.
>>>>>
>>>>> Tarek
>>>>>
>>>>> -----Original Message-----
>>>>> From: Personal_Submersibles
>>>>> [mailto:personal_submersibles-bounces at psubs.org]
>>>>> On Behalf Of via Personal_Submersibles
>>>>> Sent: Friday, November 03, 2017 3:28 AM
>>>>> To: personal_submersibles at psubs.org
>>>>> Subject: Personal_Submersibles Digest, Vol 53, Issue 1
>>>>>
>>>>> Send Personal_Submersibles mailing list submissions to
>>>>> personal_submersibles at psubs.org
>>>>>
>>>>> To subscribe or unsubscribe via the World Wide Web, visit
>>>>> http://www.whoweb.com/mailman/listinfo.cgi/personal_submersibles
>>>>> or, via email, send a message with subject or body 'help' to
>>>>> personal_submersibles-request at psubs.org
>>>>>
>>>>> You can reach the person managing the list at
>>>>> personal_submersibles-owner at psubs.org
>>>>>
>>>>> When replying, please edit your Subject line so it is more specific
>>>>> than
>>>>> "Re: Contents of Personal_Submersibles digest..."
>>>>>
>>>>>
>>>>> Today's Topics:
>>>>>
>>>>> 1. Re: batteries (James Frankland via Personal_Submersibles) 2.
>>>>> new gears (hank pronk via Personal_Submersibles) 3. Re: new gears
>>>>> (irox via Personal_Submersibles) 4. Re: new gears (Alan via
>>>>> Personal_Submersibles) 5. Re: new gears (hank pronk via
>>>>> Personal_Submersibles)
>>>>>
>>>>>
>>>>> -------------------------------------------------------------------
>>>>> -
>>>>> -
>>>>> -
>>>>>
>>>>> Message: 1
>>>>> Date: Wed, 1 Nov 2017 18:34:36 +0000
>>>>> From: James Frankland via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org>
>>>>> To: Personal Submersibles General Discussion
>>>>> <personal_submersibles at psubs.org>
>>>>> Subject: Re: [PSUBS-MAILIST] batteries
>>>>> Message-ID:
>>>>>
>>>>> <CAHpB=UBfz5SrdACR_AWW7JXBOzMMwH-axLH4Z38oqNCQiOmBJw at mail.gmail.com
>>>>> Content-Type: text/plain; charset="UTF-8"
>>>>>
>>>>> Hi Rick,
>>>>>
>>>>> Yes, the standard Min kota controller has reverse. Its just a
>>>>> potentiometer on a knob.
>>>>>
>>>>> I went for 24v min kota rip tide 80's. Wish I had gone for the
>>>>> 101's to be honest.
>>>>>
>>>>> I have the aft thruster rigged with the controller at the side of
>>>>> the seat, so I set the power and trundle off. I tend to use the
>>>>> aft thruster for surface driving or slow seabed cruising, so its ok
>>>>> where it is. Then I use the side thrusters while submerged for
>> manouvering.
>>>>>
>>>>> Works ok for me.
>>>>>
>>>>> The pots on the controllers are on a ribbon cable. I didn't dare
>>>>> cut them to extend to anything more useful, although I suspect it
>>>>> would
>> work.
>>>>>
>>>>> To be honest, that's why I changed the side thrusters to simple
>>>>> on\off relays. The pots were to complicated to move.
>>>>>
>>>>> Got a couple of links here on my site.
>>>>> regards
>>>>> James
>>>>>
>>>>> This was how I had it originally. Was awkward to use side thrusters.
>>>>>
>>>>> http://www.guernseysubmarine.com/Extended_files/Page19613.htm
>>>>>
>>>>> Main power panel.
>>>>>
>>>>> http://www.guernseysubmarine.com/Extended_files/Page19348.htm
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 31/10/2017, Rick Patton via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>> James,
>>>>>>
>>>>>> I didn't realize that the Minn-Kota controllers had a reverse setting?
>>>>>> Rick
>>>>>>
>>>>>> On Tue, Oct 31, 2017 at 3:39 AM, James Frankland via
>>>>>> Personal_Submersibles < personal_submersibles at psubs.org> wrote:
>>>>>>
>>>>>>> I have continuous duty ones at a suitable current rating. Cant
>>>>>>> remember off hand. But I don't have the reversing because I can
>>>>>>> rotate the side motors for reverse. So I just have 1 relay per
> motor.
>>>>>>> Super simple.
>>>>>>>
>>>>>>> Also have the standard minn kota controller on the rear thruster.
>>>>>>> which allows reverse and speed control. All 3 items all fit into
>>>>>>> one box with a cooling fan for good measure.
>>>>>>>
>>>>>>> Sorry, cant recommend anything other than the simple setup I have.
>>>>>>>
>>>>>>>
>>>>>>> On 31 October 2017 at 11:55, hank pronk via Personal_Submersibles
>>>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>>>> Hi James,
>>>>>>>> I am using continues duty relays and it takes 4 relays per motor.
>>>>>>>> On my vertical thrusters I am using reversing relays (single
>>>>>>>> relay) but they
>>>>>>> are
>>>>>>>> not continues duty, witch is okay. I want to simplify by using
>>>>>>>> reversing relays (continuous duty) on the main motors. I
>>>>>>>> thought maybe you already have that and could recommend what works.
>>>>>>>> Hank
>>>>>>>>
>>>>>>>> On Tuesday, October 31, 2017, 5:14:50 AM MDT, James Frankland
>>>>>>>> via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>> Hi Hank,
>>>>>>>>
>>>>>>>> I cant remember off the top of my head now. I just had a quick
>>>>>>>> search and I cant find them. They are just standard high
>>>>>>>> current 24v pots of some sort.
>>>>>>>>
>>>>>>>> I seem to remember they were similar to yours. Or some that you
>>>>>>>> had
>>>>>>> used.
>>>>>>>>
>>>>>>>> James
>>>>>>>>
>>>>>>>> On 31 October 2017 at 10:25, hank pronk via
>>>>>>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>>>>>>> Hi James,
>>>>>>>>> What type of relays are you using?
>>>>>>>>> Hank
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Tuesday, October 31, 2017, 3:10:27 AM MDT, James Frankland
>>>>>>>>> via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Hi rick,
>>>>>>>>> I'm here. What do you want to know? I'm using minn Kota rip
>>>>>>>>> tide 80's
>>>>>>> at
>>>>>>>>> 24v. 2x banks of 4 agm's. These are wired in 2 pairs of
>>>>>>>>> batteries in series with both pairs connected to the main
>>>>>>>>> terminals. I have a standard
>>>>>>> heavy
>>>>>>>>> switch so I can use each bank separately or both together. I
>>>>>>>>> used heavy tinned marine cable. Can't remember the thickness.
>>>>>>>>>
>>>>>>>>> I find my motors a little underpowered, but other than that it
>>>>>>>>> seems
>>>>>>> fine.
>>>>>>>>>
>>>>>>>>> Aft thruster has the minn Kota controller, I originally had
>>>>>>>>> those on the sides but found it a pain, so I changed those to
>>>>>>>>> have just on/off
>>>>>>> relays.
>>>>>>>>> Much better.
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>> James
>>>>>>>>>
>>>>>>>>> On Monday, 30 October 2017, Rick Patton via
>>>>>>>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>>>>>>>
>>>>>>>>> Alan
>>>>>>>>> Yes there are 2 separate pods each containing 4 each 12v
>>>>>>>>> batteries , 3
>>>>>>> for
>>>>>>>>> the 36v for thrusters & 1 for the onboard systems.
>>>>>>>>> DAN H built his per plans and specs and is running his stern
>>>>>>>>> thruster
>>>>>>> off
>>>>>>>>> one side & and sides off the other side but he is not running
>>>>>>> Minn-Kotas.
>>>>>>>>> I am hopping James Franklin will chime in as he is using the
>>>>>>>>> Minn-Kotas
>>>>>>> in
>>>>>>>>> his.
>>>>>>>>> Rick
>>>>>>>>>
>>>>>>>>> On Sun, Oct 29, 2017 at 8:13 PM Alan via Personal_Submersibles
>>>>>>>>> <personal_submersibles at psubs. org> wrote:
>>>>>>>>>
>>>>>>>>> Rick,
>>>>>>>>> I am not familiar with the k350 battery set up, but are there
>>>>>>>>> two battery pods with 3 x 12V batteries in each pod?
>>>>>>>>> What are the other k350 owners doing? Do they run the 3
>>>>>>>>> thrusters off the 2 battery pods similtaneously i.e. connect
>>>>>>>>> both pods in
>>>>>>> parallel.
>>>>>>>>> If you did this then you would only be drawing half the amps
>>>>>>>>> off each battery pod, than you would be if you were using one.
>>>>>>>>> I wonder what traction batteries mobility scooters use?
>>>>>>>>> Cheers Alan
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Sent from my iPad
>>>>>>>>>
>>>>>>>>>> On 29/10/2017, at 9:27 AM, Rick Patton via
>>>>>>>>>> Personal_Submersibles <personal_submersibles at psubs. org> wrote:
>>>>>>>>>>
>>>>>>>>>> I am trying to size my wire for the 36v side from where the
>>>>>>>>>> power comes into the sub to selector switch to hot buss bar
>>>>>>>>>> and was wondering if
>>>>>>> that
>>>>>>>>>> was something that someone could answer. Also I was told by
>>>>>>>>>> Minn-Kota that they recommend group 27 marine batteries.
>>>>>>>>>> I have a couple of deep cycle (marine batteries) on my boat
>>>>>>>>>> and they
>>>>>>> are
>>>>>>>>>> 550 cca and 125 amps reserve capacity.
>>>>>>>>>> My plan is to run all three Minn-kota thrusters off of one
>>>>>>>>>> side at a
>>>>>>> time
>>>>>>>>>> and their max draw is 46 amps max so there is 138 amps if all
>>>>>>>>>> three thrusters are wide open. I doubt I would ever have all
>>>>>>>>>> three maxed for more than short spurts but want to be repaired
>>>>>>>>>> for the worst case scenario like if I am bucking a strong
>>>>>>>>>> current.
>>>>>>>>>> I also will be running 6 outside LED lights off the same bank
>>>>>>>>>> and
>>>>>>> though
>>>>>>>>>> I
>>>>>>>>>> can dim them and selectively use them, all on at max would be
>>>>>>>>>> about a
>>>>>>>>>> 16.6
>>>>>>>>>> amp draw as well. Now most of the time I will be using the
>>>>>>>>>> thrusters at minimal draw and not all 3 at the same time and
>>>>>>>>>> the
>>>>>>>>>> 6 lights will probably never all be on at the same time.
>>>>>>>>>> If everything was wide open, I would be pulling about 155 amps
>>>>>>>>>> from a bank that has a reserve capacity of 125 so it would
>>>>>>>>>> deplete the bank rather fast and may even damage the batteries
>>>>>>>>>> due to a quick drain? So,,, first question...would 2 OTT wire
>>>>>>>>>> be sufficient from battery source to bus
>>>>>>> bar
>>>>>>>>>> as
>>>>>>>>>> long as I am not running full tilt on everythig and second...
>>>>>>>>>> since I have to stick with a lead acid system due to design,
>>>>>>>>>> can I get a group 27 battery that can deliver much more than
>>>>>>>>>> the 125 amps I have on my boat?
>>>>>>>>>> I also have the option of putting the battery selector switch
>>>>>>>>>> on both banks if I have to but would rather deplete one bank
>>>>>>>>>> at a time if can.
>>>>>>>>>> Comments appreciated.
>>>>>>>>>> Rick
>>>>>>>>>> ______________________________ _________________
>>>>>>>>>> Personal_Submersibles mailing list Personal_Submersibles at psubs.
>>>>>>>>>> org http://www.psubs.org/mailman/ listinfo.cgi/personal_
>>>>>>>>>> submersibles
>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ______________________________ _________________
>>>>>>>>> Personal_Submersibles mailing list Personal_Submersibles at psubs.
>>>>>>>>> org http://www.psubs.org/mailman/ listinfo.cgi/personal_
>>>>>>>>> submersibles
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Personal_Submersibles mailing list
>>>>>>>>> Personal_Submersibles at psubs.org
>>>>>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Personal_Submersibles mailing list
>>>>>>>>> Personal_Submersibles at psubs.org
>>>>>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>>>> _______________________________________________
>>>>>>>> Personal_Submersibles mailing list
>>>>>>>> Personal_Submersibles at psubs.org
>>>>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Personal_Submersibles mailing list
>>>>>>>> Personal_Submersibles at psubs.org
>>>>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>>> _______________________________________________
>>>>>>> Personal_Submersibles mailing list
>>>>>>> Personal_Submersibles at psubs.org
>>>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>
>>>>>
>>>>> ------------------------------
>>>>>
>>>>> Message: 2
>>>>> Date: Thu, 2 Nov 2017 18:30:48 +0000 (UTC)
>>>>> From: hank pronk via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org>
>>>>> To: Personal Submersibles General Discussion
>>>>> <personal_submersibles at psubs.org>
>>>>> Subject: [PSUBS-MAILIST] new gears
>>>>> Message-ID: <110503463.1580898.1509647448063 at mail.yahoo.com>
>>>>> Content-Type: text/plain; charset="utf-8"
>>>>>
>>>>> Hi Ian,The gears you made for me arrived, and they are amazing! ?I
>>>>> had no idea the fine detail capability. ?The timing is perfect
>>>>> also, as I have just finished the gripper and need the wrist gears
>>>>> to complete the connection. ?I might have it put together today for
>>>>> a test.Thank you againHank
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>>>>>
>>>>> ------------------------------
>>>>>
>>>>> Message: 3
>>>>> Date: Thu, 2 Nov 2017 12:06:16 -0700 (GMT-07:00)
>>>>> From: irox via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org>
>>>>> To: Personal Submersibles General Discussion
>>>>> <personal_submersibles at psubs.org>
>>>>> Subject: Re: [PSUBS-MAILIST] new gears
>>>>> Message-ID:
>>>>> <220196530.10316.1509649576216 at wamui-mouse.atl.sa.earthlink.net>
>>>>> Content-Type: text/plain; charset="us-ascii"
>>>>>
>>>>> An HTML attachment was scrubbed...
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>>>>>
>>>>> ------------------------------
>>>>>
>>>>> Message: 4
>>>>> Date: Fri, 3 Nov 2017 08:26:09 +1300
>>>>> From: Alan via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org>
>>>>> To: Personal Submersibles General Discussion
>>>>> <personal_submersibles at psubs.org>
>>>>> Subject: Re: [PSUBS-MAILIST] new gears
>>>>> Message-ID: <845E2172-3DE9-4641-A154-5C76DAB1C3A5 at yahoo.com>
>>>>> Content-Type: text/plain; charset="us-ascii"
>>>>>
>>>>> Well done Ian.
>>>>> I have posted this before. It is of 3d propeller testing done here
>>>>> in Auckland.
>>>>> Their preference in the end was polycarbonate!
>>>>>
>>>>> http://www.3ders.org/articles/20160302-wooden-3d-printed-boat-prop-
>>>>> ma k ers-pu t-filaments-to-the-test-with-surprising-results.html
>>>>> Cheers Alan
>>>>> Sent from my iPad
>>>>>
>>>>>>> On 3/11/2017, at 8:06 AM, irox via Personal_Submersibles
>>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>>
>>>>>>
>>>>>> Great! Glad they got there safely.
>>>>>>
>>>>>> Let me know if they work. If so I'll print up a slightly higher
>>>>>> quality
>>>>> set (probably a couple, for spares and destructive testing). I'll
>>>>> also look into printing a set in nylon.
>>>>>>
>>>>>> You're most welcome. Thanks for all the videos.
>>>>>>
>>>>>> Cheers!
>>>>>> Ian.
>>>>>> -----Original Message-----
>>>>>> From: hank pronk via Personal_Submersibles
>>>>>> Sent: Nov 2, 2017 11:30 AM
>>>>>> To: Personal Submersibles General Discussion
>>>>>> Subject: [PSUBS-MAILIST] new gears
>>>>>>
>>>>>> Hi Ian,
>>>>>> The gears you made for me arrived, and they are amazing! I had no
>>>>>> idea
>>>>> the fine detail capability. The timing is perfect also, as I have
>>>>> just finished the gripper and need the wrist gears to complete the
>>>>> connection. I might have it put together today for a test.
>>>>>> Thank you again
>>>>>> Hank
>>>>>> _______________________________________________
>>>>>> Personal_Submersibles mailing list Personal_Submersibles at psubs.org
>>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>> -------------- next part -------------- An HTML attachment was
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>>>>>
>>>>> ------------------------------
>>>>>
>>>>> Message: 5
>>>>> Date: Fri, 3 Nov 2017 01:27:47 +0000 (UTC)
>>>>> From: hank pronk via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org>
>>>>> To: irox via Personal_Submersibles
>>>>> <personal_submersibles at psubs.org>
>>>>> Subject: Re: [PSUBS-MAILIST] new gears
>>>>> Message-ID: <1390402376.1802262.1509672467596 at mail.yahoo.com>
>>>>> Content-Type: text/plain; charset="utf-8"
>>>>>
>>>>> Ian,The gears seem pretty tough, and I am sure they will stand up
>>>>> due ?to the thickness. ?They machine nicely also, I was worried
>>>>> when I put the gear in the lathe chuck, but is was fine. ?I
>>>>> machined the bore out so it would slide nicely. ?Pitty I don't have
>>>>> the wrist drive motor yet
>>>> ;-( ?Hank
>>>>> On Thursday, November 2, 2017, 1:06:29 PM MDT, irox via
>>>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>>>
>>>>> #yiv3031387229 #yiv3031387229 -- DIV {margin:0px;}#yiv3031387229
> Great!?
>>>>> Glad they got there safely.
>>>>>
>>>>> Let me know if they work.? If so I'll print up a slightly higher
>>>>> quality set (probably a couple, for spares and destructive testing).?
>>>>> I'll also look into printing a set in nylon.
>>>>>
>>>>> You're most welcome.? Thanks for all the videos.
>>>>>
>>>>> Cheers!
>>>>> ?Ian.
>>>>>
>>>>> -----Original Message-----
>>>>> From: hank pronk via Personal_Submersibles
>>>>> Sent: Nov 2, 2017 11:30 AM
>>>>> To: Personal Submersibles General Discussion
>>>>> Subject: [PSUBS-MAILIST] new gears
>>>>>
>>>>> Hi Ian,The gears you made for me arrived, and they are amazing! ?I
>>>>> had no idea the fine detail capability. ?The timing is perfect
>>>>> also, as I have just finished the gripper and need the wrist gears
>>>>> to complete the connection. ?I might have it put together today for
>>>>> a test.Thank you againHank
>>>>> _______________________________________________
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>
> ------------------------------
>
> Message: 2
> Date: Tue, 9 Jan 2018 14:49:02 -1000
> From: Rick Patton via Personal_Submersibles
> <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion
> <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] At Home O2 Cleaning Process
> Message-ID:
> <CAODkcU8CH13m08=WWQ0m1=iwoaqFvOxxn+SCcOB0TQ1AOzWhdg at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Can't get into my contacts page to send a new thread rite now (I hate
> computers) so gonna tag this thread for something different, sorry...
>
> I am getting ready to purchase my amp and volt meters for the 12V and 36V
> banks and had a few questions. There are two ways that I know of to tap into
> a line to measure current. One is a direct splice and the other is using a
> meter that has a DROK/necklace that encircles the wire you want to measure.
> Would like to know the best way to go on those types. It would be a lot
> easier to use a necklace type to minimize the amount of splices that I have
> to make and moisture proof but a friend of mine said that there is a minute
> difference in readings if the wire is up against the side of the necklace
> rather than in the middle and I also wounder if having the necklace up
> against the steel hull would mess with the readings? I also assume that I
> should have a separate amp meter for each of my three thrusters?
> Thanks
> Rick
>
> On Mon, Jan 8, 2018 at 6:08 AM, Brian Cox via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Cliff, I ordered those items ! I'm going to get another style flow
>> meter as well . How accurate is that acrylic flow meter?
>>
>> 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] At Home O2 Cleaning Process
>> Date: Sun, 7 Jan 2018 14:21:18 -0600
>>
>> Brian, in my (Air Monitoring, Oxygen Control) AMOC system, I use a
>> Porter 201-FSVP mass controller. Ebay has these units for sell all
>> the time at pennies on the dollar. These unit will both measure the
>> mass rate of the gas in SLPM and also control it. There are two 0-5VDC
>> control signals for the unit. For this partuclar unit which has a
>> 0-10 SLPM span, if you give the controller pin 5V, then it will pass
>> 10 SLPM if you give it 0V, it will pass zero SLPM. The other singal
>> is an analog voltage output signal again 5Vdc for full span, would be
>> a measured 10 SLPM and a zero signal means it is reading zero mass
>> flowrate of gas. https://www.ebay.com/itm/
>> Porter-201-AFASVPAA-Mass-Flow-Controller-10-SLPM-760-Torr-
>> MFC/232159305887?hash=item360dc5e09f:g:BTAAAOSwmrlUrcG1 is a link to
>> ebay for a unit very close to this. Porter (Parker) make a ton of
>> different controller for different rates and different gasses. The
>> controller as a 9 pin blade style connector that is used widely in the
>> medical industry. The documentation on these meters is excellent and
>> you can download it
>> https://www.parker.com/literature/MFM%20&%20MFC%20(D-
>> Conn.)%20(FM-898%20Rev.%20E).pdf . The manual calls out the spec for
>> the connector. I use this unit with a PLC but single it is analog
>> voltage signals, you could control with potentiometer off a 5VDC
>> source. Likewise you could use an analog display that would take a
>> 0-5VDC signal if you wanted. I have found these units to be very
>> reliable. In my Life support system module, I use a Swagelok a
>> Vernier needle valve model SS-SS4-VH as a bypass around this
>> controller for manual O2 bleed control. As a backup, I use a variable
>> area meter like https://www.amazon.com/dp/
>> B019YS4PSG/ref=asc_df_B019YS4PSG5328541/?tag=hyprod-20&creative=395033
>> &
>> creativeASIN=B019YS4PSG&linkCode=df0&hvadid=198097951144&hvpos=1o1&hvn
>> etw= g&hvrand=6957636125906653374&hvpone=&hvptwo=&hvqmt=&hvdev=
>> c&hvdvcmdl=&hvlocint=&hvlocphy=9027968&hvtargid=pla-542207540152 .
>>
>> Cliff
>>
>> On Sat, Jan 6, 2018 at 1:56 PM, Brian Cox via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> I just talked to my local dive shop and they will fill O2 no questions
>> asked . They say they do it all the time. I'm thinking of getting
>> set up with a package from DAN Here:
>>
>>
>> https://www.diversalertnetwork.org/dive-store/?catno=9
>>
>>
>> It seems to be somewhat problematic getting the right all the
>> components but getting one of these units from the DAN website might
>> make things easier as far as getting bottles filled and so forth. The
>> delivery system on these units I don't think has enough fine tuning
>> ability however. Does anyone have a good flow meter to recommend? Is
>> there an analog type with a little ball that floats up and down?
>>
>>
>>
>> Brian
>>
>>
>>
>> --- personal_submersibles at psubs.org wrote:
>>
>> From: "Sean T. Stevenson via Personal_Submersibles" <
>> personal_submersibles at psubs.org>
>> To: personal_submersibles at psubs.org
>> Subject: Re: [PSUBS-MAILIST] At Home O2 Cleaning Process
>> Date: Sat, 06 Jan 2018 13:58:20 -0500
>>
>> I use dilute acetic acid to remove any existing corrosion, and then a
>> non-solvent hydrocarbon-free detergent solution to clean, followed by
>> a freshwater rinse, and possibly another cycle using a separate clean
>> batch of detergent solution. Use dedicated brushes for each bin. A
>> lint-free cloth should come back clean, and the cleaner solution and
>> rinse water should both produce no fluorescence under UV (black
>> light). Dry passively, or with filtered air or bottled nitrogen so as
>> not to reintroduce any contaminants. Any subsequent lubrication or
>> assembly with lubricated soft parts should be done with oxygen compatible
> lubricants (i.e. Christolube).
>>
>> Sean
>>
>> Sent from ProtonMail mobile
>>
>>
>>
>> -------- Original Message --------
>> On Jan 6, 2018, 09:23, Steve McQueen via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>
>> All, I am working on cleaning some parts/pieces for O2 service on my
>> K-250. I am buying most items ?pre-cleaned? such as: Tank w/Valve,
>> First Stage Regulator, Thru Hull Isolation Valve, Flow Regulator.
>>
>> However, I will have some parts & pieces (mainly misc. adaptors and ?
>> SS
>> tubing) I may still need to clean.
>>
>> I know an ?at home? process will fall short but looking to
>> create/document a procedure anyway.
>>
>> ? I am using ASTM G93, "Standard Practice for Cleaning Methods and
>> Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched
>> Environments" as the standard.
>>
>> ?
>>
>> ? Maybe someone already has a procedure (or opinion) they want to
>> share?
>>
>> Steve
>>
>>
>>
>> ?
>>
>>
>> ? I am using ASTM G93, "Standard Practice for Cleaning Methods and
>> Cleanliness Levels for Material and Equipment Used in Oxygen-Enriched
>> Environments" as the standard. I know an ?at home? process will fall
>> short but looking to create/document a procedure anyway.
>>
>> ?
>>
>> _______________________________________________ Personal_Submersibles
>> mailing list Personal_Submersibles at psubs.org
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>>
>> _______________________________________________ Personal_Submersibles
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>>
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