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  1. K

    Sport Rocketry Magazine Issues

    Hello, Do you have a copy of the January 1985 issue of Sport Rocketry Mag. Looking for the scale data for the Hawk MIM-23B missile for a mid-power scale build. Thanks, Keith
  2. K

    Top 5 Scale Models

    Thanks Dave for the photos. I thought that the data was for the Nike-Zeus but was for the Nike-Spartan. Since scale data for the Nike-Zeus is scarce, how would the scale community like a sport scale version based on the prototypes and final production in the same scale and quality as the...
  3. K

    Top 5 Scale Models

    Hello Again, Looking to build the Nike-Spartan. Centered around a 2.635" main body. I want to get as much input from the scale/sport scale community. Question: How much detail do you want? With Exotic Lightweight and Strong ABS like resins, the SLA machines are now incredible with the...
  4. K

    Top 5 Scale Models

    Thought of it. Looks to be an easy build. Some Issues: Issue #1: Lack of drawings or scale data. I do have some contacts that could look into it for me. One at the Air & Space Museum in Huntsville and a couple at the Smithsonian National Air and Space Museum in Washington, DC. I'll send an...
  5. K

    Top 5 Scale Models

    Sorry Gentleman, A series of major health surgeries knocked me out for the past year. Fortunately, I'm back on my feet and in good spirits. Now, back to business. So far, here is my list No. 1 - Nike-Zeus - Conventional build with a SLA interstage and SLA or molded nose cone. No. 2 -...
  6. K

    3D Printing Closed Cell Polyurethane vs SLA vs wood.

    Tried it with a Restone IRBM Thin wall FDM nose cone. Filled with an expanding foam. Came out as hard as a rock. Just thinking of a one step process instead of creating a print then filling. I'll keep you posted. Keith
  7. K

    3D Printing Closed Cell Polyurethane vs SLA vs wood.

    Nose Cone: Thinking of it. Wanting the finish and weight to be better than FDM. Made many 3D nose cones, but the weight is always heavy to keep it from collapsing. Can easily make molds out of SLA or milling Delrin. Fins: Sandwiched plywood and polyurethane foam are my thoughts Wting it to...
  8. 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...
  9. K

    BOMARC data sets

    By any chance would you have a copy of the instructions for the NCR/Estes BOMARC kit. Just need to figure out how they created the tapered nacelles to create a proper 3D part. Keith
  10. 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...
  11. 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...
  12. 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...
  13. K

    Terrier Malemute 1/5.2 scale build and info

    Dave, Are your drawings available. I can scan them at a supper hi-resolution or create 3D models using SolidWorks based off your drawings. Thinking of creating the nuclear version. I have two 3D printers and can create pretty good mold or individual pieces. Thanks, Keith
  14. K

    Nike Ajax CAD Model Build

    The link is no longer working. Could you re-establish the link? I would like to redo the model in SolidWorks. Thanks, Keith
  15. K

    Need a name.

    Using SolidWorks, I should have the results this weekend.
  16. K

    Need a name.

    Hello, Does everyone want a STL file so they can print one themselves, or would you want me to get Boyce Aerospace models to add this to there line if possible. Keith, 678-982-2966 My 3D printer extruder motor died and a motor replacement is on the way to complete the model. Weight around...
  17. K

    Sport Scale Rocketry Challenge

    Thanks for your input. I'll table the motion until May 1st. You're right in getting better input from everyone. Thanks, Keith
  18. K

    ARA Press Ordering Issue

    Got a call from ARA Press and was told that the address invalidation is a known issue and is currently being resolved. Please call him directly when the site does not work at 925-583-5126 or message him on his Facebook page ARA Press. Keith
  19. 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
  20. 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...
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