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#1
September 3rd 07, 12:34 PM
posted to rec.aviation.homebuilt
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Making plastic parts
Does anyone know of a material that starts as a liquid, but hardens as
a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou 
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#2
September 3rd 07, 03:19 PM
posted to rec.aviation.homebuilt
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Making plastic parts
Hmmm--I wonder how they get those little spiders,Scorpions, medalions etc inside those polished acrylic deskweights???Jerry Lou wrote: Does anyone know of a material that starts as a liquid, but hardens as a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou
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#3
September 3rd 07, 07:08 PM
posted to rec.aviation.homebuilt
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Making plastic parts
Acyrilic casting resin - arts and crafts stuff...
Jerry Wass wrote: Hmmm--I wonder how they get those little spiders,Scorpions, medalions etc inside those polished acrylic deskweights???Jerry Lou wrote: Does anyone know of a material that starts as a liquid, but hardens as a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou
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#4
September 3rd 07, 07:29 PM
posted to rec.aviation.homebuilt
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Making plastic parts
Lou wrote:
Does anyone know of a material that starts as a liquid, but hardens as a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou Try Tap plastics. Tony
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#5
September 3rd 07, 10:22 PM
posted to rec.aviation.homebuilt
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Making plastic parts
On Mon, 03 Sep 2007 13:08:32 -0500, cavelamb himself
wrote: Acyrilic casting resin - arts and crafts stuff... Would this stuff be suitable for making a lens cover for a wingtip strobe? Jerry Wass wrote: Hmmm--I wonder how they get those little spiders,Scorpions, medalions etc inside those polished acrylic deskweights???Jerry Lou wrote: Does anyone know of a material that starts as a liquid, but hardens as a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou
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#6
September 4th 07, 12:21 AM
posted to rec.aviation.homebuilt
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Making plastic parts
Wow that Tap plastics has a ton of stuff.
Lou
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#7
September 4th 07, 01:21 AM
posted to rec.aviation.homebuilt
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Making plastic parts
No fooling. I get all the epoxy for my electronic business there and
all sorts of other plastic stuff for various other projects. Tony Lou wrote: Wow that Tap plastics has a ton of stuff. Lou
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#8
September 4th 07, 02:09 AM
posted to rec.aviation.homebuilt
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Making plastic parts
Drew Dalgleish wrote:
On Mon, 03 Sep 2007 13:08:32 -0500, cavelamb himself wrote: Acyrilic casting resin - arts and crafts stuff... Would this stuff be suitable for making a lens cover for a wingtip strobe? Jerry Wass wrote: Hmmm--I wonder how they get those little spiders,Scorpions, medalions etc inside those polished acrylic deskweights???Jerry Lou wrote: Does anyone know of a material that starts as a liquid, but hardens as a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou Dunno, Drew. I formed a few from Polycarbinate and Lexan with varying degrees of sucess. But the heat from the bulb turned out to be the real killer. Actually melted through in less than 1/2 hour. Granted wind would cool them some, but I gave up and replaced them with normal wing tip marker lights (glass covers). I can't guess how well acrylic resin would survive. But the heat will for sure be an issue... Guess that's why it says Experimental on the side. Richard
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#9
September 4th 07, 02:51 AM
posted to rec.aviation.homebuilt
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Making plastic parts
"cavelamb himself" wrote in message ... Drew Dalgleish wrote: On Mon, 03 Sep 2007 13:08:32 -0500, cavelamb himself wrote: Acyrilic casting resin - arts and crafts stuff... Would this stuff be suitable for making a lens cover for a wingtip strobe? Jerry Wass wrote: Hmmm--I wonder how they get those little spiders,Scorpions, medalions etc inside those polished acrylic deskweights???Jerry Lou wrote: Does anyone know of a material that starts as a liquid, but hardens as a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou Dunno, Drew. I formed a few from Polycarbinate and Lexan with varying degrees of sucess. But the heat from the bulb turned out to be the real killer. Actually melted through in less than 1/2 hour. Granted wind would cool them some, but I gave up and replaced them with normal wing tip marker lights (glass covers). I can't guess how well acrylic resin would survive. But the heat will for sure be an issue... Guess that's why it says Experimental on the side. Richard I was about to suggest thermoforming from either Lexan or Plexiglas, since I thought that was how the lenses on Bonanzas and the like were made. So, now you made me curious--how much surrounding airspace was available iside the ones you made? Peter
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#10
September 4th 07, 02:57 AM
posted to rec.aviation.homebuilt
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Making plastic parts
Peter Dohm wrote:
"cavelamb himself" wrote in message ... Drew Dalgleish wrote: On Mon, 03 Sep 2007 13:08:32 -0500, cavelamb himself wrote: Acyrilic casting resin - arts and crafts stuff... Would this stuff be suitable for making a lens cover for a wingtip strobe? Jerry Wass wrote: Hmmm--I wonder how they get those little spiders,Scorpions, medalions etc inside those polished acrylic deskweights???Jerry Lou wrote: Does anyone know of a material that starts as a liquid, but hardens as a platic? I want to make some custom plastic parts for my plane (no not for the structure) that will require making a mold and then pouring in the liquid. Lou Dunno, Drew. I formed a few from Polycarbinate and Lexan with varying degrees of sucess. But the heat from the bulb turned out to be the real killer. Actually melted through in less than 1/2 hour. Granted wind would cool them some, but I gave up and replaced them with normal wing tip marker lights (glass covers). I can't guess how well acrylic resin would survive. But the heat will for sure be an issue... Guess that's why it says Experimental on the side. Richard I was about to suggest thermoforming from either Lexan or Plexiglas, since I thought that was how the lenses on Bonanzas and the like were made. So, now you made me curious--how much surrounding airspace was available iside the ones you made? Peter Almost 1/2 inch above the 12 watt (1 amp) bulb. Remember that there are thermoforming plastics and thermoSETTING plastics. That might make all the difference in the world here... Richard
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