Recent content by Bob_K

  1. B

    Build a 600ft Spring Launcher: Ideas & Advice

    LOL! I must say that college kids are probably a bit saner than we used to be. . . . Google "spud gun" or "potato gun" or "beer can cannon". 600 ft might be a bit far for something as light in sectional density as a tennis ball, but. . . it HAS been done! :-) "Iron City" beer cans (steel...
  2. B

    What are some project ideas for a third year aircraft engineering student?

    How about applying modern analytical processes and understanding of aero principles to an older design. . . along the lines of the Gotha GO-229 that was built from scratch by the NGA model shop for signature testing? Examples: Model the GO-229, Focke Wulf Ta-183, or FW rotary wing fighter...
  3. B

    What is the purpose and design of wire mesh on radar antennas?

    Ah yes, and I suspect that if Floid knows about the size of the antenna (expressed in wavelengths of course) he should also tell you that the "fingerprint" of a radar return from an object is quite complex and being able to "recognize" the target from the return (sometimes called non-cooperative...
  4. B

    Millitary Standard for Small Water Craft, Navy, Marines

    Go to https://assist.daps.dla.mil/quicksearch/quicksearch_query.cfm and enter "boat". Should turn up just about everything you could imagine! LOL!