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Type: Posts; User: Mark Meredith

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    Mike, Frank, Thanks much! I may quarantine...

    Mike, Frank,
    Thanks much! I may quarantine myself in my hangar and get this done.
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    Some of the discussion on VAF was about cutting a...

    Some of the discussion on VAF was about cutting a flange so the lens can fit flush, apparently inserted from behind. How is then lens then attached to the LE?

    I had figured I would just make an...
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    Tralika, So you just hand bend and screw it...

    Tralika,
    So you just hand bend and screw it down? I may try that too.
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    Kyle, I found the VAF thread, thanks. One poster...

    Kyle, I found the VAF thread, thanks. One poster said there's a section in Tony Bengelis' book about it. I may have it somewhere so will hunt.
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    Thanks Kyle! It looks like you posted the wrong...

    Thanks Kyle! It looks like you posted the wrong link though. ��
    I'll check VAF.
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    Forming Plexiglas LE Landing Light Lens

    Hi All,
    I want to add a landing light to my aluminum wing leading edge. What's the best way to do it? I've thought about making a female mold (using fiberglass) over the LE to get the shape before...
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    All, Here's a letter I received from the FAA, my...

    All,
    Here's a letter I received from the FAA, my response, and the answer. Closed! Mark

    On March 20, 2018 at 10:11 AM Michael.A.Smith@faa.gov wrote:

    Hi Mr. Meredith,

    Thank you for getting...
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    Bill, So the first assembly becomes a prototype...

    Bill, So the first assembly becomes a prototype to make all the mistakes and do all the figurin'...then start over using the dimensions and the shapes, and lock everything down properly. That makes...
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    Yep, you nailed it Bill. It was intentionally...

    Yep, you nailed it Bill. It was intentionally built with all those references, so I should have anticipated the result if I moved anything. I save CONSTANTLY though so had a ready spare before it...
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    Modeling Assemblies In Context

    Hi folks - After spending several months learning Solidworks (on-line courses and experience modeling my Chipmunk), I started modeling a new design. I've made very few decisions, so wanted to ensure...
  11. Cory, "I am currently working on obtaining the...

    Cory,
    "I am currently working on obtaining the Student Engineering Kit for our members. If they approve it, I'm hoping to have that by AirVenture." What does that do? Thanks, Mark
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    Joe, I've only been using it a few months but...

    Joe, I've only been using it a few months but have found it to be very powerful. A few problems with the install and font sizes early on, but well past those issues now. Big learning curve, but...
  13. Ha! I got this. Here is a made-up nose rib that...

    Ha! I got this. Here is a made-up nose rib that is modeled 100% with edge flanges. The curved and joggled flanges will bend either direction from 90 degrees. It flattens! What I discovered:
    ...
  14. I haven't tried design tables yet (as Bill...

    I haven't tried design tables yet (as Bill suggested) to figure out rib dimensions between the root and tip on a tapered wing.
    But after studying Bill's aileron and playing with different approaches...
  15. Thread: Training

    by Mark Meredith
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    Sticky: Cory, I have a serial number with my student...

    Cory, I have a serial number with my student edition (obtained as a veteran, before EAA came out with its student edition). My version of SWx seems to have everything in it - have yet to discover an...
  16. Modeling the Internal Structure of a Flap Assembly

    I've been modeling various parts of my Super Chipmunk as a way to learn SolidWorks. I'll play with a new design after I build some essential skills. I modeled the entire airplane as a single part...
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    Sticky: Ok, got it Jeff, thanks. Successfully pulled in...

    Ok, got it Jeff, thanks. Successfully pulled in points, converted and scaled them.
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    Sticky: Jeff, thanks for posting it GrabCAD. Interesting...

    Jeff, thanks for posting it GrabCAD. Interesting how you built the airfoil. How did you get from the text files to the airfoil drawing? I'm also curious about the extra leading edge points. I...
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    Sticky: Thanks, Jeff. Could you post it on GrabCad with...

    Thanks, Jeff. Could you post it on GrabCad with the EAA tag?
    I tried building this and it worked with the LE guide curve. But I drew the airfoil with a squared off trailing edge because I've seen...
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    Sticky: Jeff, thanks for the links! Mark

    Jeff, thanks for the links! Mark
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    Bam! That resolved it. I figured there was a...

    Bam! That resolved it. I figured there was a button I wasn’t finding. And yes, SWx immediately said I was running low on resources. So I know how to do it and can turn it on when needed.

    Good...
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    Wonderful! Where do you think you'll do it?

    Wonderful! Where do you think you'll do it?
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    Thanks. I tried suppressing a whole ton of mates...

    Thanks. I tried suppressing a whole ton of mates involved in movement of 4 parts relative to each other (a main strut and links). When I then tried to unsuppress them at the top assembly, SWx asked...
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    Top Level Assembly

    In modeling my Super Chipmunk I now have a fairly deep tree structure of assemblies within assemblies. I've found 2 curious issues working with the highest level assembly:

    1. I can't rotate it...
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    Sticky: Jeff, can you elaborate on "relaxed," "minimum...

    Jeff, can you elaborate on "relaxed," "minimum energy splines"? Unclear what it means.

    What if you want a spline to change? I was trying to recreate an elliptical wing discussed in another...
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