[PSUBS-MAILIST] SeaQuestor progress

Tue May 7 22:31:12 EDT 2019

David, Thanks. should I spray it on both pieces to be joined and can it be
had at a regular hardware store or Home Depot?
Rick

On Tue, May 7, 2019 at 3:28 PM David Colombo via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi Rick, i use the  product great stuff. Spray on , let start to rise,
> push pieces together, hold with shiscabob sticks. I haven't had any pieces
> come apart during the shaping and shaping process.
> David
>
> On Tue, May 7, 2019, 3:56 PM hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Rick the ice is out and I have already been diving Gamma.  Yes mono foam
>> is perfect for glueing foam to foam.  Hardware stores all carry it.  It
>> comes in a spray can and expands when it hits the air.  Get low expansion
>> mono foam and it is super cheap.
>> Hank
>>
>> On Tuesday, May 7, 2019, 4:46:15 PM MDT, Rick Patton via
>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>
>> Hank, I am gluing two blocks of Styrofoam together, not to concrete. Will
>> this Mono foam still be the thing to use? If so, where can you buy it? Is
>> the Ice starting to melt up there???
>> Rick
>>
>> On Tue, May 7, 2019 at 12:02 PM hank pronk via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Rick I glue styrofoam blocks to concrete with plain old mono foam.  It is
>> very strong.
>> Hank
>>
>> On Tuesday, May 7, 2019, 3:43:28 PM MDT, Rick Patton via
>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>
>> Can someone recommend a good adhesive for joining Styrofoam together?? I
>> went to Home Depot and they recommended a product called Gripper made by
>> PPG. When I got home and read the instructions, it didn't say how to use
>> it, just how bad it was if you breath it!
>> Dave, what have you been using?
>> Also, is there a specific date of the year for the convention and anyone
>> know were it will be? Gonna try and make this one.
>> Rick
>>
>> On Mon, May 6, 2019 at 7:08 AM Rick Patton <satwelder at gmail.com> wrote:
>>
>> Thanks David, quite a set up! glad it worked well for ya. I'll check it
>> out.
>> Rick
>>
>> On Sun, May 5, 2019 at 8:49 PM David Colombo via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Hi Rick, here are photos of the hot wire rig I built. Parts are 300w
>> computer power supply, use 5v output wire. Two j boxes, one std outlet to
>> be wired as 5v. Second j box has variable control. Two std two wire
>> extension cords, i used 12ft., 1 inch pvc pipe, sweeps, and caps. 4
>> eyebolts with nylock and std nuts. Nicrome wire. I built my large bow to be
>> able to cut 36"  x 12" deep foam blocks, the two hand held wands i use 24"
>> wire. The hand held rig runs hotter and cuts faster. The large rig cuts 48"
>> in about 4 min.  I did not put a bow tightner and so it cuts with slight
>> arc as it cuts, nothing that has caused any issues with straightness. For
>> straight edges i used two drywall squares which are 48" long, and with a
>> couple of 3" screws they are held to the foam,  and i draw the hotwire
>> against them. It works pretty slick. All of the foam pieces i have cut have
>> been done with these two rigs. Total cost, less than $30. Built in about
>> an hour. Have fun.
>> David
>>
>> On Sun, May 5, 2019, 12:19 PM Rick Patton via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Thanks David.
>> Rick
>>
>> On Sat, May 4, 2019 at 6:14 PM David Colombo via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Hi Rick, I'll send pictures and notes tomorrow on my rig.
>> David
>>
>> On Sat, May 4, 2019, 8:25 PM Rick Patton via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Looking good Dave! I have yet to form my styrofoam block but it's my next
>> hurdle. I think you explained how you made your hot wire but I can't find
>> the thread. Would love to know how you did it or let me know what date you
>> sent it and I'll try and find it in the archives. I have a welding machine
>> but it may be too much oomph even on it's lowest setting to cut without
>> setting the styrofoam on fire.
>> Rick
>>
>> On Fri, May 3, 2019 at 11:09 PM hank pronk via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Dave, pretty clever using tin foil.
>> Hank
>>
>> On Friday, May 3, 2019, 9:02:41 PM MDT, David Colombo via
>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>
>>
>> Hi Guys, working on the first inner mold form for the ballast tank today.
>> Sliced the foam to 1/4" sheets, and trapazoid shapes to sit over each of
>> the tribs. Then tapped it into place and then spray glued and tinfoil
>> applied to protect the foam. Tomorrow a couple of coats of wax and then the
>> first layer of matt glass. The inner shell will be attached to the
>> exoskeleton to create the ballast tanks. Plan is 4 total, two aft and two
>> adjacent to the rear pilot.  Now that i got the form work dialed in, three
>> more to go.
>>
>> David
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