RE: Re: micro film making

From: Tom Iacobellis <tiacobellis_at_hotmail.com>
Date: Thu, 5 Aug 2010 12:44:59 -0400

Hi Bill, I wonder if you'd get something quite good if you could thin it enough before you pour. Tom I.
 


To: Indoor_Construction_at_yahoogroups.com
From: wdgowen_at_gmail.com
Date: Thu, 5 Aug 2010 11:56:59 -0400
Subject: Re: [Indoor_Construction] Re: micro film making


  




I made some mega-film a couple of days ago. I poured some PVC pipe cement onto water. The resulting film was extremely strong - but it weighed 3mg per square inch. With this stuff you could make an EZB wing and stab that weighed .24g if you left out all the wood.
 

----- Original Message -----
From: RLBailey_at_care4free.net
To: Indoor_Construction_at_yahoogroups.com
Sent: Thursday, August 05, 2010 6:11 AM
Subject: Re: [Indoor_Construction] Re: micro film making

  


I advise you to buy some proprietary film (advertised as such). Clear shrinking dope may work but I would bet against it. I used a small can which held 35 mm photographic film with a hole about 3 mm dia in the side at the bottom. Pour the film from the can, holding the can a few cm above the water surface.To make film large enough for eg F1D you will need a tank about 1 x 1.5m with a depth of about 3 - 4 cm. That amount of water will weigh 50 kg or more.
Bob


On Aug 4 2010, gert-jan wrote:

oke thats the way to do it .
that nitrate aircraft dope is the same as what we call (spanlak )Clear Shrinking Dope?
or how do I create this?

--- In Indoor_Construction_at_yahoogroups.com, Fred Bare wrote:
>
> The making of the covering material is called Microfilm. A shallow tank of water is allowed to "cure"- for 12 or more hours allowing volatile chemicals to escape. The ideal water temperature is between 68 to 74 degrees F. The microfilm based on nitrate aircraft dope with plasticizers added. Adjust the fornula to get the film you would like. A small amount of the solution is poured out onto the surface of the water in one smooth, extended linear motion.. The solution spreads out on the surface of the water to a nearly mono molecular thickness. It is allowed to "set" on the water's surface for several minutes.
>
>
>






                                               
Received on Thu Aug 05 2010 - 09:45:01 CEST