[PSUBS-MAILIST] K-350 plans

Thu Feb 2 00:23:25 EST 2017

Sounds good Alan

Rick

On Wed, Feb 1, 2017 at 6:47 PM, Alan via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi Rick,
> I am just finalising the design. I took a semi- finished  light to a
> lighting expert friend today, who is going to analyse the LED for the
> optimum
> amperage. He says that finding the LEDs sweet spot will enable it to run
> cool
> enough for me to go with an acrylic lens rather than glass as I had
> intended.
> Will keep you in the loop with regard to progress, but shouldn't be too
> far off.
> Alan
>
>
> Sent from my iPad
>
> On 2/02/2017, at 3:26 PM, Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hey Alan,
>
> Thanks for the input! Do you have any construction pictures of the lights
> and housings or just a finished picture?
>
> Rick
>
> On Wed, Feb 1, 2017 at 12:16 PM, Alan James via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Rick,
>> the lights I am making are 80mm diameter x 70mm long.
>> There is a 100mm flange for mounting that also holds the lens in.
>> So it will fit in to a 80mm diameter hole & bolt or screw to surrounding
>> material.
>> The LEDs are 80W at 105 lm/W, so 8,400 lm. However I may not drive them
>> that
>> hard, depending on how hot they get in water.
>> I am building a 1 person sub similar to Cliff's R300 & will be having
>> two arranged like car head lights + 1 either side, 1 looking backward
>> & 1 slightly longer as a spot light.
>> I may use the same design as navigation lights, with colored lenses &
>> just back
>> off the power to them.
>> Cheers Alan
>>
>>
>> ------------------------------
>> *From:* Rick Patton via Personal_Submersibles <
>> personal_submersibles at psubs.org>
>> *To:* Personal Submersibles General Discussion <
>> personal_submersibles at psubs.org>
>> *Sent:* Thursday, February 2, 2017 10:32 AM
>> *Subject:* Re: [PSUBS-MAILIST] K-350 plans
>>
>> Hey Cliff
>>
>> That's quite a makeover! I agree, when I bought my plans, it seemed I was
>> having to call Ketteredge a lot for clarification and would of welcomed a
>> cleaned up set.
>>
>> On another note, I am getting ready to fabricate all my external light
>> housings and would like to hear from anyone who is using LED lighting in
>> their housings as far as how many lumans they are and what diameter they
>> are etc.
>>
>> Thanks
>>
>> Rick
>>
>> On Tue, Jan 31, 2017 at 5:44 PM, Cliff Redus via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Spent a couple of months last year working on the design of a modified
>> K-350.  I found he original K-350 plans to be pretty weak. Changes made
>> were:
>>
>>
>>    1. Removed aft external motor and prop and replaced with two fixed
>>    Minn Kota 101 thruster with kort nozzle like I have on the R300
>>    2. Replaced vertical thrusters with two fixed Minn Kota 101 thrusters
>>    with kort nozzle
>>    3. Propulsion and depth station keeping all fly by wire with joystick
>>    control
>>    4. Move air tanks (two 100 SCF aluminum scuba tanks) outside hull old
>>    location of main propulsion motor
>>    5. PLC for control of all systems (same as R300)
>>    6. HMI and joystick on mobile to permit operation from prone, sitting
>>    or standing position.
>>    7. Replaced life support with fully automated design used on R300
>>    8. Moved electrical components into three electrical boxes on or near
>>    aft  elliptical head
>>    9. Added sensors for main and auxiliary battery voltage and current,
>>    ambient water pressure and temperature, cabin pressure, temperature, and
>>    humidly, compass heading, boat roll and pitch, boat altitude and speed.
>>    Life support system has sensors for CO2, O2 concentrations, O2 tank
>>    pressure, mass rate of O2 during O2 makeup. Pressure sensor for HP air bank
>>    and regulated air pressure.
>>    10. Increased main battery capacity to 400 Ah  which required
>>    increasing the battery pod diameter to 16” OD and 47” seam to seam
>>    11. Replaced the main and auxiliary battery banks with 16 OPTIMA
>>    BATTERIES BLUE TOP DEEP CYCLE MARINE BATTERY GROUP D34M.  12 for main
>>    buss and 4 for auxiliary buss. 8 batteries per pod
>>    12. Widened the spacing on battery pods to 38”
>>    13. Added two additional viewports
>>    14. Added external LED lights
>>    15. Added compass/pitch/roll sensors off R300
>>    16. Changed design of battery pods detachable heads to flange style
>>    17. Redesigned the MBT and VBT controls.
>>    18. Utilize Hugh Fulton pancake style pneumatically operated MBT vent
>>    valves
>>    19. Modified MBTs by closing the bottoms
>>    20. lengthened VBT to 18” seam to seam to increase the volume to 8.75
>>    gals
>>    21. Added compass/pitch/roll sensors off R300
>>    22. Built out boat in Autodesk Inventor professional.
>>    23. Drawing package updated, 51 assembly drawings and 160 part
>>    drawings
>>    24. With mods, the current boat weight is 4,707 lbs, without pilot or
>>    passenger
>>    25. With mods, the current boat submerged displacement  is 4,866 lbs,
>>    26. Buoyancy of boat with VBT and MBT fully blown is 5,849 lbf
>>    27. Boat Reserve of buoyancy is 9.2%
>>
>> Cliff
>>
>> On Sun, Jan 29, 2017 at 12:18 PM, Philippe Robert via
>> Personal_Submersibles <personal_submersibles at psubs. org
>> <personal_submersibles at psubs.org>> wrote:
>>
>> Nice for the list ! I can't wait to read all the suggested modifications
>> ans specs !
>>
>> Philippe
>>
>>
>> 2017-01-29 9:22 GMT-05:00 via Personal_Submersibles <personal_submersibles at psubs.o
>> rg <personal_submersibles at psubs.org>>:
>>
>> Emile,
>>
>> I actually already started a list on what I want to improve on the K350!
>>
>> I was actually thinking about having a 1 meter hull dia
>> Improve depth rating to around 300 meters
>> Look into improving the ballast tanks
>> Have the thrusters be controlled by a joystick
>>
>> -Ludwig
>>
>>
>>
>> -----Original Message-----
>> From: emile via Personal_Submersibles <personal_submersibles at psubs.o rg
>> <personal_submersibles at psubs.org>>
>> To: 'Personal Submersibles General Discussion' <personal_submersibles at psubs.o
>> rg <personal_submersibles at psubs.org>>
>> Sent: Sun, Jan 29, 2017 4:47 am
>> Subject: Re: [PSUBS-MAILIST] K-350 plans
>>
>> Ludwig,
>>
>> The K350 is a nice sub and the plans might be a good start .
>> Mind some points are a bit outdated.
>>
>> If I build a K350:
>> -1 meter hull dia  (was 900mm)
>> -improved ballast tanks
>> -dome window in the bow
>>
>> Emile
>>
>> *Van:* Personal_Submersibles [mailto:personal_submersibles-
>> bounces at psubs.org <personal_submersibles-bounces at psubs.org?>] *Namens *via
>> Personal_Submersibles
>>
>> *Verzonden:* zaterdag 28 januari 2017 23:36
>> *Aan:* personal_submersibles at psubs.or g <personal_submersibles at psubs.org>
>> *Onderwerp:* [PSUBS-MAILIST] K-350 plans
>>
>> Hey guys,
>>
>> Who should I contact regarding the purchasing of the K-350 plans?
>>
>> I bought the plans at the end of December and still haven't received
>> them.  I also sent an email off to sales at psubs.org around two weeks ago
>> and haven't gotten a reply.
>>
>> Thanks,
>> Ludwig
>>
>>
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