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  1. K

    3D Printing Closed Cell Polyurethane vs SLA vs wood.

    Hello, I'm in the planning stages of creating a 40" tall version the Nike-Zues and wanted the communitie's feedback. Here is the issue: Nose Cone: Does anyone have ay input on the advantages or dis-advantages of using a closed cell polyurethane foam for the nose cone of this model. Weight...
  2. K

    BOMARC data sets

    Hello, I'm planning on attending NARAM 63 and will enter a BOMARC for the Sport Scale event. The scale will be based off a 2" tube and not the standard BOMARC kits that are commercially available. I'm gathering the data and was told that Vladimir Minakov's drawing of the BOMARC may not be the...
  3. K

    NARAM 63 Sport Scale Competition

    Hello, I'm thinking of attending NARAM 63 and want to compete in the Sport Scale event. I'm pretty good at building a scale models and was wondering what would be good model to compete with. Size Military vs Civilian Heavy Lift vs Sounding Single motor vs. Cluster Booster Pods (Active vs...
  4. K

    Manned Rescue

    Hello Everyone, I just watched the movie "Marooned" on Turner Classic movies yesterday and my mind started to think. Just for a fun discussion, what would be the simplest yet least complicated method of recovering stranded astronauts in space within a (24 to 48 hour) time period. Here is the...
  5. K

    ARA Press Ordering Issue

    Is anyone having any problems with the web site ordering. I can not get past the shipping page. Keep getting an error message when I try to put in the address, tried 3 valid addresses and nothing is working. Keith
  6. K

    Sport Scale Rocketry Challenge

    Hello Everyone, With much of the US on lock down, I thought this would be a perfect time to start a builders contest. Okay, Here are the rules: 1. Event will be judged by NAR Sport Scale Giant Scale rules. 2. The model must be based one of the missiles listed in the books 12 Soviet...
  7. K

    Need a name.

    Here is a build I'm working on, but I haven't decided on a name. Let me know what you think. It's currently all 3D printed except for the BT-50 motor tube. 8" Diameter at the base (4 fins) 40" inches tall (3 sections for the body, 1 for the nose cone). Working on last 2 sections now. Love my...
  8. K

    A-135 Russian Missile

    Hello everyone, I've been asked to create a model of the A-135 missile for a friends father who used to work on the system before he migrated to the US. Finding data on this is not easy. A number of photographs are available, but no drawings. Would you happen to have any data or a contact...
  9. K

    Looking for Laser Cut Fins

    Hello, I'm building a cluster scale model and I'm looking for someone to laser cut clear plastic fins. Any help would be appreciated. Thanks, Keith
  10. K

    Restoration Begins on NASA's Last Flight-Configured Saturn IB Rocket

    https://www.space.com/41055-restoration-begins-nasa-saturn-ib.html
  11. K

    Redstone IRBM Build Thread

    Hello Everyone, I recently completed a 3D print of the Redstone IRBM nose cone 4" diameter. I'm wanting to print the lower fins. Does anyone have a good set of prints they would be willing to share on the level of Mike Derffler CD collection. I have his Mercury-Redstone CD but the drawings...
  12. K

    Maximum / Minimum Volume for E-G Mid-Power Ejection Charges

    Hello, I'm designing a scale model and I'm trying to figure out the maximum volume for an effective separation using standard Aerotech E-G motors without additional pyrotechnics. Is there a formula or rule of thumb to use for such designs. Thanks, Keith
  13. K

    Patriot (PAC-1/2) Variant

    Hello, I'm having trouble finding scale drawings of the Patriot (PAC-1/2 Variant) with the boat tail. Does anyone have a good set of drawings for this. Thanks in advance. Keith
  14. K

    SA-2 / S-75 Scale Data

    Hello, I'm looking to make a Mid-Power Scale / Sport Scale model of the Russian SA-2 / S-75 Missile. Does anyone have any dimensioned drawings outside of NARTS 12 Cold War Missiles? Thanks, Keith
  15. K

    Turkey & Grits 2018

    Hello, I just wanted to let everyone know that this years Turkey & Grits (Georgia Rockets in the Sky) 2018 rocket launch will be include a scale / sport scale contest. https://www.gritslaunch.com/ Here is the information: Coyote Rocketry Scale Challenge 2018 The object of these...
  16. K

    3D Printed Folder

    Could we create a 3D Folder for printed parts for individuals to include.
  17. K

    2017 Top 10 Scale / Sport Scale Models

    Hello Everyone, Please forgive me if I posted this in the wrong category. It's that time of year again! "What models does the rocket community want in a Scale / Sport Scale Mid Power (E - G 24 mm and 29 mm) around 3-4 ft. tall" Here is a challenge. I would like to create a...
  18. K

    2017 Top 10 Scale / Sport Scale Models

    Hello Everyone, Please forgive me if I posted this in the wrong category. It's that time of year again! "What models does the rocket community want in a Scale / Sport Scale Mid Power (E - G 24 mm and 29 mm) around 3-4 ft. tall" Here is a challenge. I would like to create a...
  19. K

    Nomex Sleeving

    Hello, I'm just curious to know if anyone uses nomex sleeving around their shock chords as an extra layer of protection from the high-temp ejection gasses. Was thinking about using it for the first 12" or so closest to the motor tube. What are your thoughts? Here is a link to the...
  20. K

    Tube Cutting and Slotting Services

    Hello, I'm wanting to produce a kit, but I'm having difficulty finding a vendor to cut and slot tubes for me. Does anyone have any contacts to do such cutting? Thanks in advance? Keith Frazier
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