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  1. #31
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Got the fins epoxied on.

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    NAR 91107, Level 2

    I really, really hate bugs.

  2. #32
    Join Date
    19th February 2017
    Location
    The world, probably
    Posts
    662
    Quote Originally Posted by qquake2k View Post
    Got the fin slots cut. I vacillated between 5 and 3 fins, but in the end went with 4. I recently made a 3 fin , a 5 fin, and two 6 fin rockets, so wanted to do something different. I had to make the fin tabs a little longer.
    I love how 4 fins is "different" for you...

    NAR #104043, Jr L1 - 3/18/18
    www.crmrc.org

    Director of Impressive Titles, ArdIU Flight Computer Project:
    lithosphererocketry at gmail dot com

  3. #33
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Well, different, relatively speaking. LOL
    NAR 91107, Level 2

    I really, really hate bugs.

  4. #34
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Lame external fillets.
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    NAR 91107, Level 2

    I really, really hate bugs.

  5. #35
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Got the baffle plate epoxied into the aft body tube. After it cures, I'll drill the errant epoxy out of the holes.
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    NAR 91107, Level 2

    I really, really hate bugs.

  6. #36
    Join Date
    15th October 2016
    Location
    Huntsville AL
    Posts
    2,146
    I just realized that is a very large eyebolt. Do you use similar on all your baffles!?

  7. #37
    Join Date
    26th January 2010
    Location
    Northern California
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    13,458
    It's not that big. I think it just looks big because it's in 2.2" tubing.

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    I've used bigger. This is in 3" tubing.

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    In 2.6" tubing.

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    And in 4" rockets, I usually use u-bolts.

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    NAR 91107, Level 2

    I really, really hate bugs.

  8. #38
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Got the centering rings attached to the aft body tube, and tried a dry fit. I like it!
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    NAR 91107, Level 2

    I really, really hate bugs.

  9. #39
    Join Date
    17th December 2013
    Location
    Slagle, La
    Posts
    1,449
    Very nice. Very nice.
    Nothing is foolproof to a sufficiently talented fool.
    TRA #16513
    Level 1: Danger Close ---AT H123W to 1240'--- 29 OCT 2016
    Level 2: Binder Design Tyrannosaur ---AT J315R to 2148'--- 30 SEP 2017

  10. #40
    Join Date
    18th January 2009
    Location
    Urff
    Posts
    6,843
    Interesting design, Jim.
    Cranky Kong, L2 Certified Rocket Monkey
    "But we were promised jet packs!"

    Total Impulse in 2018: 1,402.35 Ns (Equivalent to a 10% K motor.)
    Total Impulse since 2010: 15,274.46 Ns (Equivalent to a 49% N motor.)

  11. #41
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Thank you Kit. Like I said, I've wanted to build one like this for a while now.
    NAR 91107, Level 2

    I really, really hate bugs.

  12. #42
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    I got the lower section epoxied into the upper body tube. The tape was to keep it from "creeping" while the epoxy set. I also got the aft centering ring installed.
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    NAR 91107, Level 2

    I really, really hate bugs.

  13. #43
    Join Date
    29th October 2009
    Location
    Cuyahoga Falls,Ohio
    Posts
    1,209
    Turned out great Jim,really like the beefed up fins.Your baffle is what you got me doing on all of mine.I wonder if you do a zipperless design with something like this?

  14. #44
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    No zipperless on this one, just the baffle.
    NAR 91107, Level 2

    I really, really hate bugs.

  15. #45
    Join Date
    26th January 2010
    Location
    Northern California
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    13,458
    Got the retainer glued on with JB Weld.
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    NAR 91107, Level 2

    I really, really hate bugs.

  16. #46
    Join Date
    26th January 2010
    Location
    Northern California
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    13,458
    And got the rail buttons installed.
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    NAR 91107, Level 2

    I really, really hate bugs.

  17. #47
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Even though I had planned to put the rail buttons on the larger body tube, I went ahead and put blocks on the centering rings in the aft body tube.
    I drilled into them so I can see where they are after I paint it. This way I can always put rail buttons on the aft body tube should it ever be necessary.
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    NAR 91107, Level 2

    I really, really hate bugs.

  18. #48
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Finally getting back to this build. I sealed, sanded, and primered the fins.
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    NAR 91107, Level 2

    I really, really hate bugs.

  19. #49
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    And sprayed on the satin orange. You know, finishing and painting have never been my forte. But this one is more rough than usual. Still, you won't see it when it's on the pad. My original intent was to paint the fins black. I'll wait until I paint the forward body tube black, then decide.
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    NAR 91107, Level 2

    I really, really hate bugs.

  20. #50
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Got it masked and the black sprayed on. This Rustoleum 2X satin black sure covers nice. The tape came off relatively cleanly. It's not perfect,
    but I'm very happy with how it turned out.
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    NAR 91107, Level 2

    I really, really hate bugs.

  21. #51
    Join Date
    26th January 2010
    Location
    Northern California
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    13,458
    What is it with me and bugs? Fortunately, the paint was dry.
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    NAR 91107, Level 2

    I really, really hate bugs.

  22. #52
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    And painted the nose cone. There are a couple of runs, but nothing I'm worried about. It's looking good!
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    NAR 91107, Level 2

    I really, really hate bugs.

  23. #53
    Join Date
    4th August 2011
    Location
    Lincolnton NC
    Posts
    5,465
    Quote Originally Posted by qquake2k View Post
    Got it masked and the black sprayed on. This Rustoleum 2X satin black sure covers nice. The tape came off relatively cleanly. It's not perfect, but I'm very happy with how it turned out.
    Where did you locate that handle attachment? Last ones I saw were for a different type of spray spray nozzle. They wouldn't fit on the 2X cans.
    Thinking outside the box is normal for me. Went inside the box once and got claustrophobic.
    Can't never did!
    Inventions weren't created by skeptics.
    Every generation will embrace amazing new discoveries, while part of the past gets lost.


  24. #54
    Join Date
    30th January 2016
    Location
    US > OK > NE
    Posts
    3,738
    Quote Originally Posted by Gary Byrum View Post
    Where did you locate that handle attachment? Last ones I saw were for a different type of spray spray nozzle. They wouldn't fit on the 2X cans.
    I got mine at Lowe's right next to my cans.

  25. #55
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Home Depot has two. I've found the cheaper one works better.

    https://www.homedepot.com/s/?search=...20can%20handle
    NAR 91107, Level 2

    I really, really hate bugs.

  26. #56
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Got the rail buttons reattached.
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    NAR 91107, Level 2

    I really, really hate bugs.

  27. #57
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    I should have been a proctologist.
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    NAR 91107, Level 2

    I really, really hate bugs.

  28. #58
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    Got the loop of paracord tied onto the nose cone.
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    NAR 91107, Level 2

    I really, really hate bugs.

  29. #59
    Join Date
    15th October 2016
    Location
    Huntsville AL
    Posts
    2,146
    Quote Originally Posted by qquake2k View Post
    I should have been a proctologist.
    Uhoh, Got ahead of yourself temporarily?


    Also, why do you hate bugs?
    "I'm at least 70% confident about whatever I say (90% of the time)"- college me

    NAR 101195
    Level 1: Big SAM, 9/10/16

  30. #60
    Join Date
    26th January 2010
    Location
    Northern California
    Posts
    13,458
    He's ready to fly on Saturday!

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    NAR 91107, Level 2

    I really, really hate bugs.

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