composites

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  1. A

    Foam material for building

    Hi guys, not really sure how to start this but I'm an aero engineer and recently got asked to help with a yacht. The builders asked if I wanted to build certain parts out of Lycell or Mycell and I can't really see a massive difference between the two? Am I not understanding? Does anyone know...
  2. birdus

    Foam of choice for sandwich airplane construction

    I'm just getting into composite construction (and having lots o' fun learning) and don't know what the foam of choice is for fuselage and wing panels. This is for my F4U (AKA "Carbon Corsair") project. There's blue, yellow, PVC, Divinycell, Last-a-foam, 3lb, 4lb, 5bl, etc., etc., etc. I'm a long...
  3. loxxo

    Wet-Hardshells

    Hi everybody Having visited HomebuiltAirplanes for quite a long time and having learned a lot from all the contributors, here some insights in my own way of work. Eventually this give back can give some inputs in favor of your projects. Having designed the foot-launchable xxtherm1 together...
  4. D

    3D printed fuselage exterior surface, reinforced with CF inside

    Dears, i do not know if that topic has been touched before, and i would appreciate your thoughts/suggestions. My apologies as well if this is OT. I'm here talking about a tailless glider project, but at the moment, i'm concentrating on a RC scale version. I'm on my way to finalize the design...
  5. cblink.007

    FibreGlast System 2000 and EcoPoxy...your thoughts??

    Team: We have been doing some significant epoxy research for our 2-seat aircraft. It will be of similar structure/construction technique as aircraft such as the Cozy and Long EZ. We already got a ton of great information from the PTM&W Industries (Aeropoxy) with their ES6247 (Bonding) and...
  6. cblink.007

    Eureka CNC ... has anyone used their products??

    Hey all: I found a company that does custom CNC cutting for foam cores, called Eureka CNC. Their website is www.eurekacnc.com . I was wondering if anyone out there on this forum has used their products, and would like to give some feedback. From what I have seen on this company’s...
  7. F

    biplane material cost buddy lake

    Hello to you all, i came across a buddy lake biplane and i am interested i building it. BUT, then i started to seek for informations on materials :tired: and now i have a huge ? over may head. I need experienced builders to help me clear some things First off all: fuselage is made of 4130...
  8. L

    Learning Composites

    I was wondering what everyone would suggest for learning composite aircraft construction? For the first level I suggest a typical boat/canoe/vehicle fiberglass repair kit on something damaged. If you get good results doing that move to something a little more complex. I did this (fixed a...
  9. J

    Do you HAVE to use everything in order, mold, prepreg, peelply, breather, bag....

    Do you HAVE to use everything in order, mold, prepreg, peelply, breather, bag.... I am asking because we have been playing with other ways, in our shop, of making a part. We have been playing with other methods to reduce the amount of time spent sanding, filling, resin coats, more sanding etc...
  10. F

    The lightest...and slowest, most graceful...

    An F1D has a half meter wingspan and weighs 1.2 Grams. It can achieve durations of about 40 minutes, powered by only one 0.6g wound rubber motor! Technologies used include the use of carbon fiber composites, specialized wire assemblies, variable-pitch propellers, very low density Balsa wood, in...
  11. cattflight

    Mile High newbie checking in...

    Hi folks and a Happy New Year to all! I wanted to take this opportuity to introduce myself. I am a 40+ yo PP-ASEL transplanted from New York to Denver about 9 years ago. I learned to fly about 4 years ago and got the bug to build an E-AB from my CFI-turned friend, and Lancair 320 builder...
  12. Z

    Happy to help with composites & Experiemental Aircraft

    My name is Rob Huntington, General Manager of Zero Gravity Builders Studio located in Pasco, WA. I was formerly with Phoenix Composites for about 8 years and have been involved with building experimental aircraft since I was a kid when my father & I started construction of a Starduster Too in...
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