Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by TomH

  1. TomH

    Classic 300SL Gullwing: Where to find drawings/blueprints?

    Looking for a good quality copy of the 1954-56 Mercedes 300 SL drawings - the ones posted on theblueprints.com are difficult to read. Thanks, Tom
  2. TomH

    Automotive exterior lighting requirements

    For which country? This is an international forum. If you want USA, NHTSA and FMVSS set federal standards which also govern in many states. Try this site: http://fmvss108.tripod.com/ . That will get you started.
  3. TomH

    Non destructive testing/inspection for voids in plastic moulds

    You don't say what material you're molding or how thick it is, but this might work: Heat the finished items and look for bulges due to expansion of any gas bubbles. Also, a high intensity lamp might reveal lighter colors where any bubbles exist.
  4. TomH

    making mold for carbon fibre

    Do you plan to make just one chair, or do you want to mold them in quantity? If you want to make just one chair (maybe for your personal use) your best source of information probably will be on websites devoted to model airplanes/rocketry or homebuilt aircraft. They build curvaceous designs...
  5. TomH

    Trying to mold plexiglass, lexan, or a clear plastic sheeting

    Acrylic IS best for light covers, but it absorbs a tiny amount of moisture and must be dried in an oven at 215 degrees for a while before raising the temp or you will get steam bubbles. Drape forming is the process of heating a sheet of plastic until it sags and then draping it over a form...
  6. TomH

    Carbon Fiber mold

    This thread is almost 2 years old, but people keep it alive, so here's a little more help on building tubes. You can use Aquacore (see previous post) to make the prototype core, or you can try to find a soft, flexible foam tubing to use as a core. Think swimming pool toys like noodles, or foam...
  7. TomH

    Amateur inventor looking for prototype mold advice

    One common method of prototyping a part or product is to build a full-scale model of it in carved foam, wood, molded clay, or plaster. Pick your poison. One of the cheapest methods is to rough out the shape in blocks of white styrofoam and then cover that with drywall finishing plaster, which...
  8. TomH

    Chrome plating on plastic bumper faces

    I am building a low-volume series of custom fiberglass sports cars and would like to make bumper faces for them out of a reinforced plastic that can be chrome plated. Naturally, I need a price that would be less than having the bumpers pressed from steel and chrome-plated. Is there some way to...
See more

Part and Inventory Search

Back
Top