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'[OT] How to waterproof a tent'
2009\03\12@215338 by Chris McSweeny

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Let's hear it then!

On Fri, Mar 13, 2009 at 12:14 AM, solarwind <spam_OUTx.solarwind.xTakeThisOuTspamgmail.com> wrote:

> I have strong feelings on how to waterproof a tent.
>
> --
> solarwind
> -

2009\03\12@221132 by solarwind

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After my biology test tomorrow - I'll have a week off just for this
kind of stuff :)

2009\03\12@233131 by Rolf

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solarwind wrote:
> After my biology test tomorrow - I'll have a week off just for this
> kind of stuff :)
>  
(Using my finest Shrek impersonation....)...

Great, I'm looking forward to it.....

Rolf

2009\03\13@020645 by Steve Smith

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face
Simple....

Use a device that's constructed from bricks and mortar not a piece of floppy
canvas...

Its the choice of material that's wrong in this case....

Steve


-----Original Message-----
From: .....piclist-bouncesKILLspamspam@spam@mit.edu [piclist-bouncesspamKILLspammit.edu] On Behalf Of
Chris McSweeny
Sent: 13 March 2009 01:54
To: Microcontroller discussion list - Public.
Subject: [OT] How to waterproof a tent

Let's hear it then!

On Fri, Mar 13, 2009 at 12:14 AM, solarwind <.....x.solarwind.xKILLspamspam.....gmail.com> wrote:

> I have strong feelings on how to waterproof a tent.
>
> --
> solarwind
> -

2009\03\13@022544 by William \Chops\ Westfield

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>> I have strong feelings on how to waterproof a tent.

I recommend a "paint" containing nitrocellulose lacquer, powdered  
Aluminum, and Iron Oxide.  A similar composition kept the Hindenberg  
nearly gas-tight!

BillW

2009\03\13@044532 by Rikard Bosnjakovic

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On Fri, Mar 13, 2009 at 07:25, William Chops Westfield <EraseMEwestfwspam_OUTspamTakeThisOuTmac.com> wrote:

> I recommend a "paint" containing nitrocellulose lacquer, powdered
> Aluminum, and Iron Oxide.  A similar composition kept the Hindenberg
> nearly gas-tight!

Good thing that it's *nearly* gas-tight, because I wouldn't want my
fiancée eat five cans of beans and then sleep in my waterproof tent if
it was gas-proof as well.


--
- Rikard - http://bos.hack.org/cv/

2009\03\13@155508 by M. Adam Davis

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On Fri, Mar 13, 2009 at 2:25 AM, William Chops Westfield <westfwspamspam_OUTmac.com> wrote:
>
>>> I have strong feelings on how to waterproof a tent.
>
> I recommend a "paint" containing nitrocellulose lacquer, powdered
> Aluminum, and Iron Oxide.  A similar composition kept the Hindenberg
> nearly gas-tight!

LOL

http://www.nytimes.com/images/blogs/laughlines/thehugemanatee.jpg

-Adam

2009\03\13@160324 by Jinx

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> Good thing that it's *nearly* gas-tight, because I wouldn't want
> my fiancée eat five cans of beans and then sleep in my waterproof
> tent if it was gas-proof as well

She sounds like quite a gal Rikard. Quite a gal. How much can she
bench-press BTW ?

2009\03\13@163641 by John Ferrell

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Ventilation is as important as water proof. Condensation is usually more a
problem than leaking. A waterproof fly above the tent is the best solution
until the wind blows.

John Ferrell  W8CCW

"All that is necessary for the triumph of evil is for good men to do
nothing." -- Edmund Burke
...."The problem with socialism is that you eventually run out of other
people's money."
  MARGARET THATCHER
http://DixieNC.US


{Original Message removed}

2009\03\13@170644 by cdb

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face
This is easily solved. :)

1. Conformal coat the tent after running flexible copper heating coils
and hooking up to the nearest windfarm.

2.Have a tent that is made out of either wax impregnated material or
jackets.

3. Wrap it in cling film.

4. Cart collapsible plastic Danish bricks around. (a new line for Ikea
perhaps?)

5. Build an igloo - waterproof but maybe not drip proof.
--
cdb, @spam@colinKILLspamspambtech-online.co.uk on 14/03/2009

Web presence: http://www.btech-online.co.uk  

Hosted by:  http://www.1and1.co.uk/?k_id=7988359







2009\03\13@204837 by Dave Joyce

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Correct me if I am wrong, but isn't nitro cellulose an explosive?

>I recommend a "paint" containing nitrocellulose lacquer, powdered  
> Aluminum, and Iron Oxide.  A similar composition kept the Hindenberg  
> nearly gas-tight!
>
> BillW
>

2009\03\13@211625 by William \Chops\ Westfield

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On Mar 13, 2009, at 5:48 PM, Dave Joyce wrote:
>
>> I recommend a "paint" containing nitrocellulose lacquer, powdered
>> Aluminum, and Iron Oxide.  A similar composition kept the Hindenberg
>> nearly gas-tight!
>
> isn't nitro cellulose an explosive?

Pretty much.  It depends rather strongly on the degree of nitration.  
Most varieties are merely "flammable" to a greater or lesser degree.  
"NC Lacquer" is a real finish though; you can buy gallon cans in most  
paint stores (I think it's a wood floor finish.)  It's also the  
traditional  "dope" for "dope and tissue" covering of model airplanes,  
and the major  component of most nail polish.

Nitrocellulose, as "colloidin" or "celluloid" was one of the first  
"plastics" to see widespread commercial use.  Once you get a polymer  
like cellulose modified so that it's both soluble and meltable, all  
sorts of possibilities open up.

The aluminum/iron oxide mix is thermite, too.  :-)

There have been serious suggestions (now that hydrogen is being touted  
as a cure-all energy solution) that the Hindenberg disaster had more  
to do with the paint than with the hydrogen... ( http://www.hydrogennow.org/Facts/Safety-1.htm
 )

BillW

2009\03\14@182939 by Alan B. Pearce

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>There have been serious suggestions (now that hydrogen is being
>touted as a cure-all energy solution) that the Hindenberg disaster
>had more to do with the paint than with the hydrogen...

I saw a documentary on TV, some time ago, about the crash, and this was the
conclusion arrived at, significant pointers towards this being the case was
the colour of flame, described by witnesses at the crash scene, rather than
the almost colourless flame that pure hydrogen would give if that was the
major flammable agent, and the interview with someone from NASA who pointed
out that the solid propellant boosters on the Shuttle use exactly that
mixture for the propellant.

Also the documentary suggested the Zeppelin engineers realised the propblem
with the coating after they received fragments of the fabric back from the
crash site. The documentary investigators found a piece of fabric in the
file on the crash at the Zeppelin factory archives.

2009\03\14@190541 by William \Chops\ Westfield

face picon face

On Mar 14, 2009, at 3:29 PM, Alan B. Pearce wrote:

> and the interview with someone from NASA who pointed
> out that the solid propellant boosters on the Shuttle use exactly that
> mixture for the propellant.

Alas, this is pretty far from the truth.  Unless you want to add "oh,  
plus about 75% oxidizer..."

BillW

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