Date: Wed, 13 Apr 2016 13:21:49 -0700
Reply-To: Alistair Bel <albell@SHAW.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Alistair Bel <albell@SHAW.CA>
Subject: Re: And what should arrive in my inbox this morning from Banggood
but this magnetic offer
In-Reply-To: <570EA505.9050905@turbovans.com>
Content-Type: text/plain; charset=utf-8
Doesn't work as well as discrete rare earth magnets
Alistair
> On Apr 13, 2016, at 12:59 PM, SDF ( aka ;jim lahey' - Scott ) <scottdaniel@turbovans.com> wrote:
>
> might find this useful...
> it's Flexible Magnetic Tape With Adhesive.
>
> I was buying some bug screen with magnets for a house door application and found this stuff in an Ace Hardware store.
> Can be cut to whatever length you want, and is 1 inch wide, the roll is 10 feet long.
>
>> On 4/13/2016 9:48 AM, Alistair Bel wrote:
>> I'm a little sceptical that those teeny magnets will have the flux density ( doesn't that sound smart?) to hold screens secure. Even with a bunch of them. I don't think the field of such a thin magnet will extend very far at all.
>>
>> Alistair
>>
>>
>>>> On Apr 13, 2016, at 11:57 AM, Jim Felder <jim.felder@GMAIL.COM> wrote:
>>>>
>>>> I will probably try this as well, it is a good idea. These magnets are so
>>>> small that you could probably fold a piece of duct tape in half. Two
>>>> things: 1, you don't want to sew through duct tape or any other adhesive
>>>> very far as you will spend way more time cleaning your machine and fixing
>>>> the thread and sewing as the adhesive accumulates on the needle and goes
>>>> under the cloth to the bobbin. Ask me how I know.
>>>>
>>>> Secondly, the duct tape may not (or may) have enough stiffness to do the
>>>> job. Even it it didn't by itself, you could probably sew a piece of box
>>>> strapping in behind the duct tape and magnets to give it a little spring.
>>>> Which, for all I know at this point, it may not really need.
>>>>
>>>> Jim
>>>>
>>>> On Wed, Apr 13, 2016 at 1:51 PM Richard Koerner <rjkinpb@sbcglobal.net>
>>>> wrote:
>>>>
>>>> As you were describing your design, an idea popped into my head:
>>>>
>>>> You could lay down a strip of 2" wide duct tape, sticky side up, but stuck
>>>> down on tabletop at the ends with additional tape. Place the magnets in a
>>>> row at 1" spacing....hopefully the adhesion to the duct tape will keep them
>>>> from jumping over to each other. When all magnets are installed, place a
>>>> second strip of duct tape sticky side down over the first piece of duct
>>>> tape, thus capturing each magnet in it's own little compartment. A
>>>> sandwich. Then trim the assembly to maybe 1" wide so it's nice and neat.
>>>> Now this assembly can be laid into the hem of fabric and the stitching goes
>>>> through the edges of the duct tape sandwich.
>>>>
>>>> The duct tape sandwich assembly should give a little rigidity yet at the
>>>> same time provide flexibility so that the fabric can be rolled up or folded.
>>>>
>>>> Just an idea.
>>>>
>>>> Rich
>>>> San Diego
>>>>
>>>>
>>>> ------------------------------
>>>> *From:* Jim Felder <jim.felder@GMAIL.COM>
>>>> *To:* vanagon@GERRY.VANAGON.COM
>>>> *Sent:* Wednesday, April 13, 2016 11:35 AM
>>>> *Subject:* Re: And what should arrive in my inbox this morning from
>>>> Banggood but this magnetic offer
>>>>
>>>> Here's what I have in mind, subject to change as other parties actually
>>>> think this through for me:
>>>>
>>>> 1. it is going to take a bunch of these little magnets, but that is what I
>>>> want, their power times hundreds.
>>>>
>>>> 2. The magnets must be separate somehow. If they touch or clump, even after
>>>> being sewn in to individual pockets of cloth, that will not keep the cloth
>>>> from doubling over and over as the magnets find each other. Therefore,
>>>>
>>>> 3. I intend to glue the magnets down with hot glue, say, to a flexible
>>>> strip of plastic, some strapping tape, say, about an inch apart.
>>>>
>>>> 4. I will wrap the flexible but very strong magnetic strip in cloth and sew
>>>> it closed with a zipper foot, allowing enough left over to sew this strip
>>>> to the usual vinyl edging into which the screen is sewn. It is a plus that
>>>> the magnets are small enough to pass under a sewing foot if they have to.
>>>>
>>>> 5. I am contemplating different approaches to an entryway, I guess two
>>>> pieces with an overlap in the middle will do for a first pass.
>>>>
>>>> Jim
>>>>
>>>> On Wed, Apr 13, 2016 at 12:55 PM Steve Williams <
>>>> steve@williamsitconsulting.com> wrote:
>>>>
>>>>> Oh my heck!
>>>>>
>>>>> I don't have the patience to work with something THAT small... that
>>>>> wants to stick to anything metal! lol.
>>>>>
>>>>> Good to know they are out there though :)
>>>>>
>>>>> Thanks for sharing!
>>>>>
>>>>> Cheers,
>>>>> Steve W.
>>>>>
>>>>>> On 13/04/2016 10:35 AM, Karl Ploessl wrote:
>>>>>> if the description is correct, they are tiny: Diameter: 3mm(±0.1mm)
>>>>>> Height: 1mm(±0.1mm). So 500 seems to be right
>>>>>>
>>>>>> On Wed, Apr 13, 2016 at 12:23 PM, Steve Williams
>>>>>> <steve@williamsitconsulting.com
>>>>>> <mailto:steve@williamsitconsulting.com>> wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Is that price $4.00 USD for 500 of them? That doesn't make sense to
>>>>>> me... but $4.00 / magnet seems expensive, but perhaps not?
>>>>>>
>>>>>> How many do you think it will take for the bug screen? This is
>>>>>> something I'm really interested in doing as well.
>>>>>>
>>>>>> Cheers,
>>>>>> Steve W.
>>>>>>
>>>>>>
>>>>>> On 13/04/2016 9:26 AM, Jim Felder wrote:
>>>>>>
>>>>>> A way to follow up something I have wanted to do for years,
>>>>>> create an
>>>>>> all-magnetic bug screen for the sliding door. These aggressive
>>>>>> little
>>>>>> magnets ought to do the job! Anyway, the price is right and
>>>>>> they are on
>>>>>> order. Once glued to a flexible plastic tape/strap (so they
>>>>>> won't stick to
>>>>>> each other) and sewn into edging for the netting, I'll bet
>>>>>> they will work.
>>>>>>
>>>>>> <
>>>> http://www.banggood.com/500x-Disc-Rare-Earth-Neodymium-Super-Strong-Fridge-Magnets-N35-3x1m-Craft-Model-p-1042903.html?utm_design=41&utm_source=emarsys&utm_medium=Mail_mailad233_dealalert&utm_campaign=newsletter-emarsys&utm_content=Winna≻_src=email_1791754≻_eh=21b49b9fb0df57d91≻_llid=631316≻_lid=80505949≻_uid=GEFGGfoQpi&emst=GEFGGfoQpi_631316_1791754_128
>>>> <http://www.banggood.com/500x-Disc-Rare-Earth-Neodymium-Super-Strong-Fridge-Magnets-N35-3x1m-Craft-Model-p-1042903.html?utm_design=41&utm_source=emarsys&utm_medium=Mail_mailad233_dealalert&utm_campaign=newsletter-emarsys&utm_content=Winna&sc_src=email_1791754&sc_eh=21b49b9fb0df57d91&sc_llid=631316&sc_lid=80505949&sc_uid=GEFGGfoQpi&emst=GEFGGfoQpi_631316_1791754_128>
>>>>>> Jim
>
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