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  1. D

    Waterjet cutting at home

    Looks like Wazer took some shortcuts to keep the machine simple. How the pros are managing their consumables? Do they recycle the carbide? If so there will be probably a method to do it (a simple way) on our own. I'm impressed by the Youtube guy and his tuned pressure washer. That will be...
  2. D

    Antonov 181

    So the flaps act as a swivel nozzle. Interesting
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    CATIA (and others) for Aircraft Design from Start to Finish

    Thanks DangerZone. It's quite easy converting from other platform until the building procedure remains equivalent like sketch-to-extrude, boolean operations, assembly constraints, top-down or down-up abilitiy and so on. For me the main concern is to stay in a fully parametric CAD. Generaly...
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    CATIA (and others) for Aircraft Design from Start to Finish

    Hello all, @DangerZone: As a professional mechanical designer I'm used to work with PE and SW (company legacy). How I feel 'bunkerized' and out of date! Thanks a lot to make me aware about OneShape and SpaceClaim. I've ask for quotes for private use. @WK95: Good point to explain the links and...
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    Stagger 4 engine CAD

    Like a Yamaha cylinder head, but the second exhaust valve. Very interesting arrangement.
  6. D

    Carbon fiber firewall

    Be careful with PVC, as fumes are toxic and corrosive (chlorine)
  7. D

    Stagger 4 engine CAD

    You may consider a lateral valve train configuration This allows a very compact cylinder head. Very old design, but still used D-motor
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    HP-18J Self-Launch Sailplane Project

    Excellent. Very cool project and well done
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    Wild and Crazy Idea: Tandem Wing Flying Wing

    Hello there, This wing configuration proposal brings to mind the Rutan's Proteus: PS: I have to interview my ass to figure out how smart is it
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    Technical paper on CFRP Sandwich Construction

    Add to my previous post: There is (probably, I don't have tried it yet) a way to do it using traditional molds and work method: Outer skin as usual, build a rib network using some kind of Omega shaped polystyrene, Stratification of the ribs to make the corrugated layer, fill the voids with...
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    Technical paper on CFRP Sandwich Construction

    Great document and analysis. Lots of gains over classic sandwich structure can be expected. On the dark side we have to consider the way this structure has been fabricated by Mitsubishi: two planar sheets and a corrugated one. All of them fully cured prior bonding. This method can't be applied...
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    Greetings from France

    Well, I'm going through several threads about the 'best plane in town' to help me sorting the essentials and the nice to have requirements. I'll start my own thread once ready ;)
  13. D

    Greetings from France

    Thanks for your warm welcome. @Mattew: I originally came from the ultralight world (2001, multi-axis). But with family growing a four seater became necessary. I keep in mind the (relative) simplicity of ultralight rules and philosophy. Up to me to get the best of both worlds. @Dana: Good deal...
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    Greetings from France

    Hello there I'm Daniel from Haute-Savoie, France 42, time to assume my child dreams. So here I am, with my new PPL in the pocket and looking to own my own bird. I've found at my local homebuilders association (RSA) the way I'll like to go with my aviator's perspective. And this forum seems...
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