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  1. #1

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    Designing a new pattern model

    I started flying pattern about 1.5 years ago (mostly small models of 50 or 63 size) and since then i've been trying to find a 2m model that's cheap, modern looking and has good flying characteristics. Since all modern pattern planes on the market today are way over my spending limits, i recently started designing my own model using Solidworks. I'm almost done with the design part so i'll post a few images showing the main steps of the process.

    From the start, i wanted to design the airframe keeping both electric and glow power in mind. The YS 170 is quite a big piece of equipment comparing to the electric motors, so it looked reasonable to design the front end of the plane around the Yamada engine. I don't own a YS myself, but using drawings from the manual and images i found on the internet, i started building a basic 3D model of the YS170. Well, i got a little bit carried away in the process and ended up recreating it in detail.



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  2. #2

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    RE: Designing a new pattern model

    2 renders of the engine in Solidworks, with materials added to the engine components and adjusted lighting:




  3. #3
    flyintexan's Avatar
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    RE: Designing a new pattern model

    Wow. Nice work.

    -mark
    NSRCA 3656
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  4. #4
    tIANci's Avatar
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    RE: Designing a new pattern model

    OMG ... some people are so so skilled! It will make a great wall paper for the PC ... can't wait to see your plane rendition.
    Its nice to be important, but its more important to be nice ...
    Revver Brotherhood No. 232

  5. #5
    cdodom's Avatar
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    RE: Designing a new pattern model

    Man that looks awesome I cant wait to see the plane you design
    Chris Odom ;Custom Airframes of America ; Team Airtronics; Team Cool Power; Team YS Parts and Services

  6. #6
    Jetdesign's Avatar
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    RE: Designing a new pattern model

    I wish I was that good at solidworks! Nice job.
    Joe Marri
    Enjoying all things aviation.

  7. #7
    KeithB's Avatar
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    RE: Designing a new pattern model

    Holy smoke, until I read the comment on Post #2 I thought I was looking at a stock photo that you pulled from YS!

    Keith B

  8. #8
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    RE: Designing a new pattern model

    Awesome!

  9. #9

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    RE: Designing a new pattern model

    WOW awesome!

    You must do that for a living [:-]
    Brett Wickizer
    Futaba, YS Performance, Central Hobbies, Morgan Fuels
    www.CKAero.net

  10. #10

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    RE: Designing a new pattern model

    If not, you should be, I DO do that for a living, and that beats most of my work!
    Go knife edge your cub!

  11. #11

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    RE: Designing a new pattern model

    Fantastic, you have done an awesome job. Can you share the file so we lesser mortals can learn from your design tree? I have done a DA 50 recently but it is nothing on this.

  12. #12

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    RE: Designing a new pattern model

    Absolutely unbelievable. Can't wait to see your plane's drawing

    Adrian

  13. #13

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    RE: Designing a new pattern model

    Thank you for the kind words; i'm really glad you like it.
    I work as a CAD/CAM engineer since 2000 and 3D modelling is one of my hobbies; unfortunately most of my projects at work are not as interesting as designing pattern planes

    For those who are interested in the 3D model of the YS170, i can probably upload it somewhere in IGS or STEP file format. Most CAD software are able to read these formats, but sometimes errors may occur. The Solidworks model is split in 2 files and the total size is simply too large (over 500Mb). Just send me a message at a_voiku -at- yahoo dot com and i'll see what i can do.

    Fuselage will be composite with a conventional layout: a removable chin cowl covering the engine and Hatori muffler and a canopy hatch which i think is large enough even for the electric version. Here are a few shots shots showing the main fuselage modelling steps:
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  14. #14
    MTK's Avatar
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    RE: Designing a new pattern model


    ORIGINAL: Alex Voicu

    Thank you for the kind words; i'm really glad you like it.
    I work as a CAD/CAM engineer since 2000 and 3D modelling is one of my hobbies; unfortunately most of my projects at work are not as interesting as designing pattern planes

    For those who are interested in the 3D model of the YS170, i can probably upload it somewhere in IGS or STEP file format. Most CAD software are able to read these formats, but sometimes errors may occur. The Solidworks model is split in 2 files and the total size is simply too large (over 500Mb). Just send me a message at a_voiku -at- yahoo dot com and i'll see what i can do.

    Fuselage will be composite with a conventional layout: a removable chin cowl covering the engine and Hatori muffler and a canopy hatch which i think is large enough even for the electric version. Here are a few shots shots showing the main fuselage modelling steps:
    Alex,

    Drawing a model and designing a model are not the same thing. Sure you can copy parameters from other models like everyone else does. If you want to do something more original on the design side. contact me directly

    MattK
    Regards,
    MattK
    (Rcmaster199@aol.com)

  15. #15

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    RE: Designing a new pattern model

    amazing!! I like it!

    keep the good work

  16. #16

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    RE: Designing a new pattern model

    Modelling the wings and horizontal tail surfaces is much easier than the fuselage. The airfoil is a modified NACA 64A012, with the trailing edge thickness of 7mm at the root and 4.5 mm at the tip.
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  17. #17

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    RE: Designing a new pattern model

    Alex! Small world.
    As usuall, stellar 3D work.
    Darrin, AKA "Hammerd"

  18. #18

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    RE: Designing a new pattern model

    Hi Darrin !

    It's so good to meet you again. Brings back great memories...of years of hard work
    What have you been up to lately? Interested in pattern flying or RC models in general?

  19. #19

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    RE: Designing a new pattern model

    Hi Alex,

    Have you drawn a 3D model of a OS 1.60 engine i am also building 2X2 F3A plane for a OS 1.60 engine, your skills are truly amazing, how long have you been working on 3D software. Please guide me how to get started as basics to advanced.

    Thanks,
    High
    I will say it only once Yak 54 the best aerobatic plane ever made.

  20. #20

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    RE: Designing a new pattern model

    High,

    I don't have a model of the OS160, but i do have a very basic model of the OS 140RX. Unfortunately it's not very precise, but if you have Solidworks you can understand how it was built. Modelling an engine is not that hard, after all it's a combination of very basic shapes. To get started, just try to find some detailed tutorials or modelling manuals for your CAD software. You will need a lot of practice though... I built my first 3D airplane model probably around 1997 in AutoCAD, but trust me, you don't want to see that one

  21. #21

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    RE: Designing a new pattern model

    Fantastic!! that's a great job!!!!
    OXAI RC store
    http://www.rcuniverse.com/dealers/dealer_account.cfm?inventory=1&partner_id=2956

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  22. #22

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    RE: Designing a new pattern model

    A few renders of the servos, wheels and propeller. More important, all parts will receive their mass properties, which will be used to compute the CG position.
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  23. #23

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    RE: Designing a new pattern model

    this will be fun to watch.
    David

  24. #24
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    RE: Designing a new pattern model

    Wow, I also thought the YS was a picture until I saw the drive washer, outstanding abilities, and your plane will fly good, it looks great.

    Regards

    Alejandro

  25. #25

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    RE: Designing a new pattern model

    again, congratulations! that plane look realy good.

    do you plan to sell a kit?

    TUNY


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