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In-flight model base with a plastic rod

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  • Member since
    November 2005
Posted by Anonymous on Monday, December 8, 2003 5:03 PM
Thanks much folks. I am going to go with the acrylic rods... i got several very cheap from this location:
Acrylic:
http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=Acrylic&product%5Fid=clear+Extruded+Acrylic+Rod

I got 1/4, 3/16, 1/8 rods. for about a dime each!

I will play around with the oven technique and let you know how it works out.
  • Member since
    February 2003
  • From: Indiana, USA
Posted by cassibill on Monday, December 8, 2003 4:18 PM
I think the acrylic was left dangling in an oven but I can remember the temp or the time. Hot water dunking would probably work too.

cdw My life flashes before my eyes and it mostly my life flashing before my eyes!!!Big Smile The 1/144 scale census and message board: http://144scalelist.freewebpage.org/index.html

  • Member since
    April 2003
  • From: Halfway back to where I started
Posted by ckfredrickson on Monday, December 8, 2003 4:00 PM
plexiglass and lexan are not the same thing...

Acrylic refers to a general class/family of chemicals. Plexiglass (poly methyl methyacrylate; abbreviated PMMA) is a member of this family.

Lexan is polycarbonate (same stuff CDs and aircraft canopies are made of). With regards to properties (i.e. melt point, strength), they're different. With regards to appearance, they're pretty much the same.
  • Member since
    January 2003
  • From: Everywhere
Posted by stinger on Monday, December 8, 2003 3:47 PM
I think that's a great idea.

I have used acrylic only in the sheet form, and one way to get rid of the rough edges left from cutting is to use a butane torch, a technique called 'flaming'. If you want to bend rod I would think that this would work, but it would have to bend itself over a form. I know that plexiglass items such as a rooftop skylight are baked in ovens over a form, like a big vacuform machine. I don't know what temperature is right though.
Try looking in your yellow pages under "Plastics - Rod, Sheet, etc." If you live in a metro area, someone should be able to sell and advise you.

BTW what diameter rod are you thinking of?

Also, try looking around for Lexan. It's similar to Acrylic, somehow different, but when I would ask to buy a sheet of 'plexiglass' they would always ask if I wanted acrylic or lexan.

I'm sure that Styrene will jump in here and save your day.

Hope this helps, and good luck.

Stinger

May an Angel be your wingman, and the Sun be always at your six

  • Member since
    November 2005
Posted by Anonymous on Monday, December 8, 2003 3:24 PM
Those links that I posted look like you can get a bunch of those acrylic rods for very cheap... I may do that.

Do you know how to bend the rods? Can you use a lighter as a heat source or do you have to do something special? I'm looking for some technique.
  • Member since
    November 2005
Posted by Anonymous on Monday, December 8, 2003 3:20 PM
Not sure about that issue but in the December 03 FSM Readers Tips section..... it mentions this. I remember vaguely seeing the article reffering to Acrylic rods.....The problem Im having is finding a local source for Acrylic Rods....I havent seen any at either Hobby Lobby or Michaels....I dont know where else to try!
  • Member since
    February 2003
  • From: Indiana, USA
Posted by cassibill on Monday, December 8, 2003 1:57 PM
There was an issue of FSM about making bases w/ clear rod. Don't remember the issue but I think the guy used acrylic.

cdw My life flashes before my eyes and it mostly my life flashing before my eyes!!!Big Smile The 1/144 scale census and message board: http://144scalelist.freewebpage.org/index.html

  • Member since
    November 2005
In-flight model base with a plastic rod
Posted by Anonymous on Monday, December 8, 2003 8:05 AM
I'm looking into making a stand that will hold an in-flight model airplane, and I want to use a plastic rod that curves from the base to the airplane. The rod will go in at a 45 degree angle into the base and then curve around like a "C". The top portion will have scratch built clamps, so you can remove the aircraft.

Now here is the question... what kind of plastic rod should I use? Acrylic, Polyurethane, Polystyrene, Polyethylene? I need to be able to heat it up with lighter or something, so I can bend the rod easily.

Here are some that I found:
Acrylic:
http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=Acrylic&product%5Fid=Clear+Extruded+Acrylic+Rod
Polyurethane:
http://www.usplastic.com/catalog/category.asp?catalog%5Fname=USPlastic&category%5Fname=Polyurethane&Page=1
Polyethylene:
http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=Polyethylene&product%5Fid=Low+and+High+Density+Polyethylene+And+Polypropylene+Rod+Stock
Polystyrene: http://www.usplastic.com/catalog/product.asp?catalog%5Fname=USPlastic&category%5Fname=Styrene&product%5Fid=High+Impact+Polystyrene+Tubing+And+Rod
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