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  1. aerospace2013

    noise generator

    Mr KENAT, Thank you for your post. I'm pretty aware of the health circumstances associated with 80 decibels and above..don't worry about that at all. This is not "at home trial" .. this is a research that will be conducted at a university with all the safety precautions taken into...
  2. aerospace2013

    noise generator

    Mr GregLocock and rb1957 thank you very much for your help ... your info really made a big difference Mr IRstuff .. thank you.. people keep learning until the last day in their life.. there is nothing called impossible .. such forums are created to help each other or at least to put our feet...
  3. aerospace2013

    noise generator

    Thank you all. Mr IRstuff. I know that decibel is the sound intensity and Hz is the frequency. But I think there should be a relation between them right? when I google sound generator or noise generator and I read the description of the suggested device .. the provide info including frequency...
  4. aerospace2013

    noise generator

    Thank you sir... I tried google, ebay, amazon and other resources... but there are several issues 1. they give the measurement in HZ not decibel.. I'm afraid it won't give the right decibel I'm looking for 2. I found decibel measurement devices.. this is not what I'm asking for.. I want...
  5. aerospace2013

    noise generator

    Hello everyone I'm in the process of studying the effect of noise on some human health aspects. How can I generate the noise in the first place? Do they sell noise/sound generators up to 130 decibel ... Please advise me Thank you
  6. aerospace2013

    Metallic strings with carbon fiber

    Thank you Now, regardless the type of fabrics and type of mesh, my major question is the following. once you embed the metallic mesh inside the fabrics and pour the epoxy mixture on them and let them cure, now they are encapsulated inside an insulation material;i.e. epoxy because it is a...
  7. aerospace2013

    Metallic strings with carbon fiber

    Thank you sir, Now because you have experience in this field in general (energy dissipation through copper mesh embedded in composites) that is great news for me. How can I contact you with few questions? will email be good?
  8. aerospace2013

    Metallic strings with carbon fiber

    Mr Berkshire, Yes.. trying to do so .. do you have any experience in this field.. will appreciate your advice.
  9. aerospace2013

    Metallic strings with carbon fiber

    Hello all, How can I sew carbon fabrics with metallic strings (copper for example) with the diameter of 0.1 mm and 0.25 mm? ordinary industrial machines with needle and bobbin can't do it.... tried it Appreciate your suggestions
  10. aerospace2013

    a question about a company

    Hello Cloa, I'm new to Eng tips. what does this mean please?
  11. aerospace2013

    sewing machine for carbon fibers and kevlar

    Dear all, I'm willing to stitch unidirectional carbon fabrics using kevlar, dyneema and carbon threads. the diameter of the thread vary from 0.1mm to 2mm. Could you please advise me with a suitable machine to do the job. I appreciate your reply
  12. aerospace2013

    a question about a company

    Mr Ceramicguy, I contacted them more than 5 times with no reply!
  13. aerospace2013

    a question about a company

    Many thanx to all of you... Appreciate all the info
  14. aerospace2013

    a question about a company

    Dear Mr Mike, Could you please tell me why should I delete my question? I don't think I violated any rule in the Eng-Tips Appreciate your explanation
  15. aerospace2013

    a question about a company

    Thank you Mr CoryPad
  16. aerospace2013

    wet diamond saw

    Thank you very much.. I googled them all.. the problem will be with the shipping cost.. shipping to Middle East!
  17. aerospace2013

    wet diamond saw

    Could you please recommend me a company that sells such stuff ( surface grinder) for the listed price. I have to emphasize on the fact that I will be cutting composite materials Appreciate your response
  18. aerospace2013

    a question about a company

    Dear Mr Looslib, Thank you for your prompt reply. How did you know they are in business for 50 years? What made me worry too, I have read couple more bad reviews about the company in another website.... Do you have any info how to make sure they are a trustworthy company?
  19. aerospace2013

    wet diamond saw

    Hello everyone I'm willing to buy a wet diamond saw to cut some carbon fiber and glass fiber composite samples. I'm working on a budget. I came across a company called UKAM (http://www.ukam.com/) that sells such products for affordable prices ( around $2000). However, they are rated as F in the...
  20. aerospace2013

    wet diamond saw

    Hello everyone I'm willing to buy a wet diamond saw to cut some carbon fiber and glass fiber composite samples. I'm working on a budget. I came across a company called UKAM (http://www.ukam.com/) that sells such products for affordable prices. However, they are rated as F in the BBB and have...

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