What did you do rocket wise today?

Discussion in 'The Watering Hole' started by BeerorKid, Jan 31, 2013.

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  1. Feb 24, 2020 #24,541

    John Kemker

    John Kemker

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    Ordered a ream of Neenah 110lb card stock so I can print one of Art Applewhite's Texas Qubits, among other things. Amazon should have it delivered tomorrow.
     
  2. Feb 24, 2020 #24,542

    o1d_dude

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    'I battle gravity'

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    Resumed construction on a small Wildman Jart that has languished on my work bench for years.

    Cut off the tail end of the nosecone, have the motor mount in place awaiting epoxy. I don’t adhere the rear centering ring until the fins are glued in place.

    The Jart is not thinwall F/G so it’s fairly heavy.
     
  3. Feb 24, 2020 #24,543

    Joekeyo

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    20200224_161305.jpg Built rack to display fleet. Had a redo. 1.0 had rockets pointing everywhere. Amazing how difficult it is to drill holes in straight and parallel alignment. This isn't great, but it is tolerable.
     
  4. Feb 25, 2020 #24,544

    beeblebrox

    beeblebrox

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    8 C6-0, 12 D11-9, 20 D20-0, 20 E5-0, 3 Cinerocs

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    Working on a 4" motor mount assy for 38mm motors. Rocket will be a test bed for 38mm motors I'm working on... Had to add the 24mm mounts for clusters.

    37c70f94-b2d5-46b4-be40-e0d31ad3d353.jpg
     
  5. Feb 26, 2020 #24,545

    Scrapmaster87

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    Started putting together the first parts of my "suicide lathe". That's a 4.5" OD aluminum tube that's going to be my mandrel. Not pictured is the VFD to run the motor, spacer blocks to raise the axis, and a bunch of other things.

    That's half of a 3D printed disc coupling on the motor. There's a lot more printing to go on this, including ducting for a hair dryer to heat the mandrel and secondary containment for the mandrel (in case one of the couplings let's go). IMG_20200225_222932.jpeg
     
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  6. Feb 26, 2020 #24,546

    Cape Byron

    Cape Byron

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    Looked at the exchange rate and was glad I placed some orders last week. Aussie dollar = 66 cents US. :(

    Oh, and did some more repair work on the Scale Kits Apex I stored under... something heavy.
     
  7. Feb 26, 2020 #24,547

    jqavins

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    You can thank CoVID19 and excessive reactions to it for that. Fear always pushes investment into safe havens, the biggest of which are gold and the US dollar.
     
  8. Feb 26, 2020 #24,548

    o1d_dude

    o1d_dude

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    Used Crazy Jim's method of marking fin fillet edges with a length of PVC pipe colored with Sharpie marker ink.

    Recipient was my Madcow 4" Frenzy fin can that's been sitting on my rocket bench for way too long. I put the fin can there where I would walk past it every time I entered the garage. Not as successful as I had hoped...It's been sitting there for a couple of years.
     
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  9. Feb 27, 2020 #24,549

    Speaknoevil

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    Well now you got the boulder rolling, you'll have it done in no time! :goodjob:
     
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  10. Feb 27, 2020 #24,550

    lakeroadster

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  11. Feb 27, 2020 #24,551

    o1d_dude

    o1d_dude

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    Well, hopefully so. At my age, I'm playing on the back nine so I'd better get myself in gear.
     
  12. Feb 27, 2020 #24,552

    Goonstr

    Goonstr

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    Managed to do some sanding on the six rockets that I have built over the last couple of months. These include from Estes, the Red Max, the Goblin, Expadition, the Puma, and the Lynx. And then from Art Applewhite, the 18mm Pyramid.
     
  13. Feb 27, 2020 #24,553

    Vdutel

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    Well today I made a choice for my L 1 Rocket and got that bad boy on order :D:D:D ... My choice is the Apogee Zephyr!!!! :):):):) .. Just love the design and what more can I say!!

    Then went to local hardware store bought PVC pipe and a poop ton of fittings :eek::eek::eek::eek: to make a multi rocket carrier... o_Oo_ONext week cant come fast enough expected day of arrival 4 days and it will be a LONG wait... Like a kid at the Xmas tree waiting for their parents to wake up and open presents... LOL :D:D:D
     
  14. Feb 27, 2020 #24,554

    Nytrunner

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    Word of advice: patience is the rocketeer's friend. Launches get canceled/rained out. Things break. Vendors run out of the motor you had your heart set on.

    Adopting a relaxed view of rocket timeline can help keep the hobby from becoming another stress-riser in life
     
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  15. Feb 27, 2020 #24,555

    Greg Furtman

    Greg Furtman

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    Does any company make a 4" OD balsa nosecone?
     
  16. Feb 27, 2020 #24,556

    rharshberger

    rharshberger

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    Not that I am aware of, they would be very expensive, a plastic cone would be cheaper.
     
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  17. Feb 27, 2020 #24,557

    Greg Furtman

    Greg Furtman

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    Rich, I'm mentoring a College Rocket team and we will be using a 12" 4" OD. 3.75 ID acrylic payload bay. I don't think there's enough plastic in the shoulder to get it down to 3.75".
     
  18. Feb 27, 2020 #24,558

    jqavins

    jqavins

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    It would be appropriate, IMO, to start a new thread for suggestions on this. I'll give you one if you do. (I can't promise it will be a good one...)
     
  19. Feb 27, 2020 #24,559

    rharshberger

    rharshberger

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    That is probably true, PM sent.
     
  20. Feb 27, 2020 #24,560

    tstone

    tstone

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    Started prepping a couple of rockets for 3/7/2020 Tripoli launch @ Bong. I have not flown high power for almost 3 years.
     
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  21. Feb 27, 2020 #24,561

    Tobor

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    I'm hoping to attend that launch too. Keeping fingers crossed for low winds and a warm sun.
     
  22. Feb 28, 2020 #24,562

    GrouchoDuke

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    I'm now officially miffed about not having a rocket workshop anymore. We've been full-time RVing since I retired from the USAF last September (plus starting a new airline pilot job & stuff). It's been _amazing_, but I'm really itching to build some more rockets & get my rocket electronics designs going. I also have several record attempts I'd love to start building for...

    We've visited 18 states since September. Zero rocket launches though.

    Here's the attack plan: get enough seniority in the new airline career to get the base I want, buy a house with a big-a$$ shop (or build one), build rockets. #firstworldproblems
     
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  23. Feb 28, 2020 #24,563

    Greg Furtman

    Greg Furtman

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    Good idea. What area do you think it falls under?
     
  24. Feb 28, 2020 #24,564

    jqavins

    jqavins

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    Scratch Built, Techniques, or HPR (I assume). Your choice.
     
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  25. Feb 28, 2020 #24,565

    Mick Kelly

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    Anyone know where to buy a Black Brant II besides Madcow(their out of stock) Either a 2.56, 3 or 4"
     
  26. Feb 28, 2020 #24,566

    BruceS

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    IMG_20190911_163522.jpg This is my 4" Splatnik. Solid Styrofoam, 1/8" dowels for antennas. C6-5 motor. At it's last launch, a guy with a 6' tall midpower asked if I had thought of doing an upscale version. Today I started it. It will be 12" diameter with a 3 motor cluster, D or E. Have run my design through OpenRocket and so far get a max altitude of 22.6 ft. anyone skilled with OR want to take a look at my design and tell me what I'm doing wrong?
     

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  27. Feb 28, 2020 #24,567

    Vdutel

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    upload_2020-2-28_10-1-59.png

    Says one left.. LOL I wonder though if it is in stock or not...

    Victor
     
  28. Feb 28, 2020 #24,568

    Mick Kelly

    Mick Kelly

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    Thanks Victor, When I went to check out it Said ships from Madcow Approx by March 13th. So Still looking but thank you very much in helping in my search

    Mick
     
  29. Feb 28, 2020 #24,569

    Greg Furtman

    Greg Furtman

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  30. Feb 28, 2020 #24,570

    neil_w

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    It's unstable, because whatever makes the actual model stable (base drag I presume) is not accounted for in OR. Try moving the stage CG override to -800 inches (yes you read that right).
     
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