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Justin

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Justin last won the day on November 29

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About Justin

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    Justin
  • Location (Public)
    Sweden

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    Undecided/Undeclared

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  1. Justin

    CAD Update #2

    I have not uploaded the Dynon Skyview 10". You can get that from the Dynon website. The large display needs a rectangular aperture in the IP frame at FS40. This aperture could be handy for working access to harness. My engine cowl lofting is suited to the UL390i with the 110mm propeller drive extension. The engine STP file can be downloaded from the UL Power website.
  2. Justin

    CAD Update #2

    This is the last CAD file.... just the nosegear with most of the actuator. My gear and worm drive is not accurate in the teeth geometry, but the pitches are correct. 'Just a few pictures to come Nosegear.zip
  3. Justin

    CAD Update #2

    'Main Gear assy is the gear bow, as closely as I can figure out. I would like to measure a real one and adjust this model. I think I know how it is made, and it would be easy to tool up for it. Sleek canopy. zip it a slightly smoother canopy shape I made, and the fuselage surface use in its frame is from my more accurate lofting. The modelling of the inside surfaces of the canopy frame is not at all accurate. Standard fus loft is as near as I can get to what the standard fuselage skin looks like. I think there is evidence that the standard nose makes a downforce just ahead of the canard. More to come. MainGearAssy.zip SleekCanopy.zip standard-fus-loft.zip
  4. Justin

    CAD Update #2

    As Jeff suggested, I will upload everything I have done so far. Here goes. The standard canopy is as close as I can get to the acrylic shape shown in the sketches. The frame part was from an earlier fuselage loft, and at a detail level is not at all accurate. Controls.zip is about where I stopped. I need to get on with something else. This is nowhere near complete. Datums.zip is just that.... some 2D capture of the aircraft datums. Fuselage Assembly.zip. Well this is starting to get accurate. The skin is offset from the foam surfaces by an average of 2 to 3 layers of UD glass. I think the foam is quite accurate. Long-EZ-Mist is mainly the wing and canard surfaces. I think it may be on the foam surface, rather than the outside of the skins, but it is a while since I made these, and I don't remember. More to come. Canopy-standard.zip Controls.zip Datums.zip FuselageAssembly.zip Long-EZ-Misc.zip
  5. Justin

    CAD Update #2

    Sure Jeff, The last one I uploaded was pretty up-to-date, but there is a little more to share. I will make more STP files and Rhino files to upload this evening. Cheers, Justin
  6. Justin

    CAD Update #2

    I am dropping out of Open EZ, at least for now. I have another project that is closer to realisation, and am dedicating more time to that. I am hoping Open EZ can gain some more interest and momentum.
  7. Justin

    CAD Update #2

    Thanks Terry, Here's a bit more eye candy. I have now started on the pitch and roll controls.
  8. Justin

    CAD Update #2

    I have modelled the main gear bow with 0.3 degrees toe-in. I will not finish the lugs that attach in the fuselage until I can find more dimensional information of the bow. My fuselage assembly still includes the F22, F28, and firewall from some imported data I had. I will remodel these. The main gear wheel and axle I have modelled are rough models of a European brand. The engine cowl lofts are suited to the UL390i I think I added a rough main spar in the STP file. It shows through my wing skins in places. This is partly because the spar dimensions are a bit simplified in the plans, but also my wing surfaces are possibly the foam surface. When I get on with the wing modelling I will check this. I need to finish the cockpit floor foam model, and will probably model the controls on the right side soon.
  9. Justin

    CAD Update #2

    Here's a zipped STP file. I have found picture file added at the same time give upload issues. I will put more text with a few screenshots. Long-EZ-assembly-E.zip
  10. Justin

    Update on CAD work

    Sorry this thread uploaded twice. There was some error in the upload on the first attempt.
  11. Hello EZ People, I have been going through some CAD data I imported from somewhere else, checking, and correcting where needed. Now I am busy capturing what I can of the main gear, but I have been working in the fuselage tub too. There has been discussion about digitising the EZ PDF drawings. I think this adds no accuracy, and you can work just as well with the existing PDF data. Modelling in 3D creates parts that fit together correctly. 2D drawings can be generated from these 3D parts, and that is my aim to help with Open EZ. The original Rutan build instructions were quite clever, because the build became self jigging, and got round the inaccuracies in the drawings. I think it can be better today. Here are a few screenshots from recent work. Cheers, Justin MainGearAssy.zip
  12. Hello EZ People, I have been going through some CAD data I imported from somewhere else, checking, and correcting where needed. Now I am busy capturing what I can of the main gear, but I have been working in the fuselage tub too. There has been discussion about digitising the EZ PDF drawings. I think this adds no accuracy, and you can work just as well with the existing PDF data. Modelling in 3D creates parts that fit together correctly. 2D drawings can be generated from these 3D parts, and that is my aim to help with Open EZ. The original Rutan build instructions were quite clever, because the build became self jigging, and got round the inaccuracies in the drawings. I think it can be better today. Here are a few screenshots from recent work. Cheers, Justin MainGearAssy.zip
  13. Excellent information at Nate's ULpower site. Thanks again for that link. I am surprised Rupert at Hercules didn't get back to Nate. I have worked with Rupert on a Spitfire blade. Rupert uses a design program from Sweden, by an interesting chap called Jan Carlsson.
  14. That looks interesting. Thanks for the link.
  15. Eeek ! Thanks, but websites like that repel me almost instantly. It is interesting to look at the build website though. I should try to contact Nate.

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