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  1. bigbertha912

    Insulation on Aircraft

    Hi, I am wondering if anyone out there has used SILAMID for insulating narrow body aircraft? I might be spelling it wrong, but if you have, what can you tell me about it in terms of material specifications, weight, flammability, etc.? Did it save you weight compared to other insulation? I...
  2. bigbertha912

    6781 Fiberglass

    Does anyone have a decent spec sheet for this material that includes the shear Modulus or Modulus of elasticity?
  3. bigbertha912

    which is the Best Course For Fatigue and Damage Tolerance learning?

    Just wanted to ask experienced F&DT engineers out there if they have a good course they recommend for an engineer wanting to learn more about F&DT. Which do you think is the best and is dedicated to training an engineer to immediately jump in and start writing reports related to Fatigue and...
  4. bigbertha912

    CL-650 Aft Pressure Bulkhead, Design wants to attach lavatory cabinets to it.

    I was asked to Analyze an aft Lavatory compartment that is being attached to the Aft Pressure bulkhead for a CL-650. This is my first time seeing it today and basically the lateral brackets (see attached photo) use the existing holes of the support structure to attach. To me this is a major...
  5. bigbertha912

    How Many Test samples would be acceptable for Company Allowable Data used on STC projects

    I am currently working as the only stress engineer in a large organization and this is the first time in many years that I am writing test plans for latches/hinges/inserts into the typical honeycomb panels we will be installing them into. This will become part of the analysis handbook that is...
  6. bigbertha912

    How good is Cosmos/Simulation at analyzing Composite Honeycomb panels

    Hi, I am working for a company that builds Aircraft interiors fabricated solely from Fiber/Aluminum Honeycomb panels. They are refusing to purchase FEMAP or Patran but instead want the Stress Engineers to use Simulation/Cosmos as it is free with their SolidWorks packaging. I have been reading...

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