[PSUBS-MAILIST] SeaQuestor progress

Wed May 8 00:03:24 EDT 2019

Hey David
Hadn't thought about the hot wire, thanks.
Rick

On Tue, May 7, 2019 at 5:57 PM David Colombo via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi Rick,
> I bought my at Home Depot. I would just put a couple of loops around the
> face in one side.  Put to much on and you won't be able to keep the parts
> together as it expands. I tend to not put near the edges because it won't
> hot wire, and it sands different than the foam.
> David
>
> On Tue, May 7, 2019, 7:32 PM Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> 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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