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  1. #1
    2000+ Poster - Never Leaves the Sim Michael Carter's Avatar
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    Advise on Plastics

    I'm just starting on the MIP, and I'm trying to use the actual MIP from the Boeing 727 as much as I can. I have three pieces of the MIP and hopefully can find the other three.

    I'll have to make my own instrument bezels for the holes in the panel and I need some advise on the type of plastic I should use for these. It needs to be easily worked with both a hobby knife and a bench top Dremel router.

    My McMaster-Carr catalog has tens of different plastics listed. PVC, ABS, Acrylic, Styrene, Polyethelene, etc, etc.

    I've worked a lot with styrene and it's OK, but I was thinking about PVC since it's already molded in dark grey. Acrylic is out because it's too brittle and difficult to machine.
    Boeing Skunk Works
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  2. #2
    2000+ Poster - Never Leaves the Sim Trevor Hale's Avatar
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    Some Problems with PVC and ABS are they will melt before they cut, you will have to be careful with your dremmel.

    Especially PVC, that dark grey will trun brown if your not careful.

    Good Luck,

    Trev
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  3. #3
    MyCockpit Support Staff


    Westozy's Avatar
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    My whole sim is grey PVC, it's easy to machine and can be kept cool when machining with CRC spray. (Light spray lube). Use high speed settings on the Dremel and only use sharp tool bits. I made my MIP in a day with the Dremel in a router attachment and have had no problems making PVC parts. The PVC I used is called, "Trovidur". It's easy to glue pieces together with super glue aswel.

    Gwyn

    737NG using Prosim737, Immersive Calibration Pro, Aerosim Solutions motorized TQ & cockpit hardware, CP Flight MCP & FDS SYS1X, SYS2X & SYS4X, FDS PRO FMCs, AFDS units & Glarewings, Matrix Orbital ELEC display, Pokeys Landing & Cruise alt display, Buttkicker Gamers, 3 x BenqMW811ST projectors with a Matrox Th2Go
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  4. #4
    2000+ Poster - Never Leaves the Sim Trevor Hale's Avatar
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    LOL!

    Thanks for taking the wind out of my sales Gwyn ROFL
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  5. #5
    75+ Posting Member Polmer's Avatar
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    I have had great luck working with "sintra board",which is a closed cell PVC foam.
    It is light weight, easy to work with, yet very strong.

    You just have to be carefull when you take a dremmel to it because it will cut through it like butter sometime.
    I have not yet seen this material melt.



    Polmer

  6. #6
    MyCockpit Support Staff dodiano's Avatar
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    Airbus

    Milky White acrylic is a good material to use but I have to differ a bit with the high speed on the dremmel actually lower speeds at least on a CNC when cutting plastics and acrylics is better so you avoid melting unless you use a coolant!!

    Regards,

    Roberto

  7. #7
    2000+ Poster - Never Leaves the Sim Michael Carter's Avatar
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    Thanks for all of the suggestions. I'm going to see if I can find some of that Sintra board and order a sample.

    I may order several samples beore I decide. Thanks again for the advise.

    I'm really leaning toward the dark grey PVC.
    Boeing Skunk Works
    Remember...140, 250, and REALLY FAST!

    We don't need no stinkin' ETOPS!



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  8. #8
    MyCockpit Support Staff


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    I did mention the coolant Roberto, (CRC spray), Machining is my trade!

    Gwyn

    737NG using Prosim737, Immersive Calibration Pro, Aerosim Solutions motorized TQ & cockpit hardware, CP Flight MCP & FDS SYS1X, SYS2X & SYS4X, FDS PRO FMCs, AFDS units & Glarewings, Matrix Orbital ELEC display, Pokeys Landing & Cruise alt display, Buttkicker Gamers, 3 x BenqMW811ST projectors with a Matrox Th2Go
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  9. #9
    75+ Posting Member Polmer's Avatar
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    If it helps,

    here is a link to the Sintra board the supplier I used;
    http://www.usplastic.com/

    Just do a search for "sintra" on the site for the various types.
    I ended up going with 1/4 inch sheet thickness.


    Polmer

  10. #10
    MyCockpit Support Staff dodiano's Avatar
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    Airbus

    Yeah I`m actually a Amateur machinist have been learning with my CNC the hard way LOL! But it is fun still Aluminum is a pain in the *** for me!!

    Roberto

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