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  1. D

    Why is poplar not so popular?

    poplar is not rot resistant but is quit stable, it is a soft hardwood and is good for drawer sides and bottoms
  2. D

    West system VS. everything else

    The west system with the EXTRA SLOW hardener is approved by burt and nat, but as it only has a TG of 129 F, i prefer mgs, also approved
  3. D

    Dow foam question

    Perfect timing I'm a cozy builder and have cut 3 planes worth of wings and 4 of vert stabs. i was just doing research on the extruded polystyrene and found that the foam specced for the rutan planes is "pipe insulation" by dow chemical. It comes in 108 inch lengths. I could not find it...
  4. D

    Glass Types

    The cozygirls have come up with a cheap low Vacuum method, might want to look into it
  5. D

    Carbon Wing

    i see it is hollow - wouldn't it be allot stronger with a foam core?
  6. D

    Carbon Shortage

    i think ambient should be at least 70 and keep the epoxy heated to about 95 and then turn off heat and use small heater to keep tented parts warm
  7. D

    Carbon Shortage

    no core material for the cowl that i know of - maybe some hard points? the cores that are being talked about are for ribs and other stuffff. BTW - leave the cowl on the mold at elevated temps for a week, i mean 90 or so degrees. let cool to room temp and then remove. it will stay...
  8. D

    Carbon Shortage

    ok i understand using glass as a core and carbon fiber as a skin. sorry falco and aviatrix - don't like wood in airplanes. balsa cores can rot and no way to inspect, but the falco IS a work of art and beauty - nice and fast too on the ribs - they are all structural, but they just don't...
  9. D

    Carbon Shortage

    But hey - i'm no engineer, just a stupid silly builder with near no knowledge
  10. D

    Carbon Wing

    Nice work - i can't even see the spar cap change under the carbon fiber
  11. D

    Carbon Shortage

    the carbon is the stiffest material and will take ALL of the loads, the glass will just be there for the ride
  12. D

    Carbon Wing

    looks great - are the layers staggered to taper the strength, center out - is it your design?
  13. D

    Carbon Shortage

    from everything i have read - this is a bad idea, the carbon would take all the load - i would interleave them like aero composites does on their props temp - for epoxy is important, but solvable. heat workspace during work hours, store epoxy in light bulb heated box, tent layup to heat...
  14. D

    Carbon Shortage

    parts is parts later i'm planning on carbon fiber cowl and wheel pants you keep us informed with pics please cowl is a big job
  15. D

    Carbon Shortage

    No - don't mind at all right now i am working on chrome moly engine mount, then it is on to 321 SS twin turbo exhaust then i flip engine over and start on intake manifold i am chronicling this exciting story on the canard forum i sponsor, i will post a link here when i start the IM
  16. D

    Carbon Shortage

    BTW - thanks for the heads up as i am going to need a little soon to make my Intake Manifold and will get it sooner rather than later
  17. D

    Carbon Shortage

    ok, assume - a while back AS&S was short on chrome moly tube, did not know when they were going to get it. i went down to my local chrome moly/aluminum/SS aircraft alloy warehouse and they had everything in stock, by the mile. SOOOOOOOOOO, i just figured this was the same thing. Oh the guy...
  18. D

    Carbon Shortage

    open mouth - insert foot
  19. D

    Carbon Shortage

    have you tried other suppliers, i would guess there is no shortage, just that AS&S probably does not sell much and does not like to keep it in stock
  20. D

    Canard fly/drive in

    http://www.roughriver.org/ 75 or so canards last year comin up the end of the month if you want to see em - this is better than oshkosh
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