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Thread: Lexan vs Acrylic/Plexiglass - help

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  1. #1
    Senior Member HighWing's Avatar
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    Default Re: Lexan vs Acrylic/Plexiglass - help

    Agree with Jim. My first IV - 1993 came with .060. The new was "upgraded" to .093 and has lots of craze lines at the wing root. Soon, I will go back to the .060. I guess we have a tendency to "upgrade" over time, but I don't remember of a case of the thinner windshield doing anything more than the oil canning described, but I do remember reports of the thicker windshields cracking top to bottom at the wing root max bend area on at least a couple of occasions - one a close friend on a cross country. His emergency solution drill and stitch using safety wire. As far as caving at 140 mph. Not an issue as it far exceeds max speeds on a IV. This is one of the reasons I wish the IV was still available. The vast majority of current builds are 7s and there are a bunch of differences and many decisions we IV and earlier builders are contemplating are unique to those models. And, truth be told, I am still heavily influenced by an old flying buddy who built several IVs - the lightest weighing 604 lbs empty. It was a screamer as far as off airport flying was concerned. .060 Lexan weighs pounds lighter than the heat formed plexiglass.
    Lowell Fitt
    Goodyear, AZ


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  2. #2
    Senior Member efwd's Avatar
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    Default Re: Lexan vs Acrylic/Plexiglass - help

    not to mention a SS7 acrylic will be a nightmare to replace if its source goes defunct. Wish I had that IV windshield if that's all that there is to it to make a new one.
    Eddie
    Eddie Forward
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  3. #3
    Senior Member jiott's Avatar
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    Default Re: Lexan vs Acrylic/Plexiglass - help

    That's why we need to support our Kitfox factory and buy as much stuff from them as possible. If their acrylic windshield source ever goes defunct, they will immediately bring a new source on stream.
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

  4. #4
    Super Moderator Av8r3400's Avatar
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    Default Re: Lexan vs Acrylic/Plexiglass - help

    Quote Originally Posted by jiott View Post
    That's why we need to support our Kitfox factory and buy as much stuff from them as possible. If their acrylic windshield source ever goes defunct, they will immediately bring a new source on stream.
    Kitfox's molded acrylic source is LP Aeroplastics, a relative giant in the global aircraft parts chain. They are not going nowhere.
    Av8r3400
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  5. #5
    Senior Member Esser's Avatar
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    Default Re: Lexan vs Acrylic/Plexiglass - help

    Has anyone made a lexan windshield for the model 5-7? I know the Rans Coyote uses Lexan...
    ------------------
    Josh Esser
    Flying SS7
    Rotax 914iS
    AirMaster Prop

    Edmonton, AB, CWL3

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