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  1. accooper

    NAR Member Guide Book

    OK, on page 60 of the newest NAR membership guide book is a picture of a Centuri upscale. But what kit is it an upscale of? Anyone know? Thanks Andrew
  2. accooper

    Base Drag Stability?

    I am designing a 4 inch stubby rocket. As it sits now it has .53 caliber stability. How do I take base drag into consideration before I add a lot of nose weight? Andrew
  3. accooper

    Why can't amateur rockets reach space on an O motor?

    How about the altitude waiver? I don't think our or anyone elses government just hand out waivers to go into space like candy. Andrew
  4. accooper

    Spill Hole Specs

    According to the Army a spill hole to be effective needs to be 20% of the total diameter. Do you guys feel this is right? Andrew
  5. accooper

    Next Gen Altimeters from Jolly Logic

    So they are more rugged? And I can plug them into my computer an download the info to my hard drive? Andrew
  6. accooper

    Igniter Wire

    I don't like to use Cat5e. To many micro shorts that wouldn't bother a network but can give you fits. If you must use net work cable use Cat6. Less chance of shorts, but more expensive. Andrew
  7. accooper

    Igniter Wire

    That is 24 not 26 gauge. Andrew
  8. accooper

    Igniter Wire

    That is nichrome. We are talking Shooters wire. Andrew
  9. accooper

    Igniter Wire

    Same thin insulation. Got it yesterday. Andrew
  10. accooper

    Igniter Wire

    A while back there was a discussion about wire to use to make your own composite motor igniter and I suggested this company. https://www.pyrodirect.com Well they will no longer sell you just one roll. You now have to buy nine or more at a time. My wife would kill me if I spent $150 plus...
  11. accooper

    Best New High Power Products

    What do you think is the best new high power products are? Andrew
  12. accooper

    Loc Big Cletus

    Thanks. Andrew
  13. accooper

    Great Internal Fillets

    That is a great idea! Thanks. Andrew
  14. accooper

    Payloadbay.com Fin Guide Library.

    Where can I get free plans to build a fin alignment guide from? Andrew
  15. accooper

    voids in plywood?

    Had a similar problem with the last six sheets of 1/4 inch plywood I bought at National Balsa wood. I too used flat tooth picks. Andrew
  16. accooper

    Great Internal Fillets

    Anyone have a good way to do internal fillets? Andrew
  17. accooper

    Wood Glue

    Man that glue is somethin' else. We did the outer fillets and they look great. Easy to work with. I think I will use it on my next rocket. Cheaper that Epoxy for sure. Andrew
  18. accooper

    Loc Big Cletus

    Anyone have a Rocksim file for the Loc Big Cletus? Want to do some sims before I build one. Andrew
  19. accooper

    Wood Glue

    Looked at you blog. Who made that nose cone? That is way cool. Andrew
  20. accooper

    Wood Glue

    BTW He is building an upscale of the old Estes 22 Swift. I up scaled it in Open Rocket for him and his dad. Also using a caulking gun how do you keep the glue from drying out. Andrew
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