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  • Users: IvarA
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  1. IvarA

    Am I right about how FM synthesizers work?

    I have been looking into FM Synthesizers, and wonder what is the difference from a FM Synthesizer and a regular VCO where the pitch is modulated by the LFO at very high frequency? I tried this on my analog synthesizer, and the result is somewhat similiar at max LFO frequency. If I could have a...
  2. IvarA

    Bicycle cheat wheel, how does it work?

    You probably have seen in the news that a girl was found to use "mechanical doping" in her bicycle. So I found an article about this...
  3. IvarA

    Can objects thrown into the sea stop sinking before it reaches the bottom?

    If we consider the bulk modulus/compressibility of seawater to the elastic modulus of many solids, it is alot smaller. My theory is then that if the sea is deep enough, an sinking object would reach neutral buoyancy an stop sinking before it reaches the bottom. Is there any real world examples...
  4. IvarA

    Standard selection filters is not that good when revolving or extruding.

    Hi So i make this sketch and select the lines, I do use the select single line cause i only want to revolve certain parts of the sketch. However the selection filter is set to none by standard. That means even the lines of the dimensional sign is possible to select, and that prevents me from...
  5. IvarA

    Engineering picture database or map for brainstorming.

    Hi! I have been into contruction of mechanical end electrical systems for a while. Especially when I was participating in Formula SAE, I noticed that I could be more creative designing in the workshop than on the CAD. Reason was that in the workshop we had alot of different stuff that I could...
  6. IvarA

    Optimizing a transformer for both 50 and 60Hz

    Something I have wondered on for a while: Lets say you have a big transformer that will be used on both 50 and 60 Hz. i.e. a land-supply transformer on a ship. When you make the transformer you would select the optimum transformer frequency to be somewhere in between. At first, one would think...
  7. IvarA

    Physical properties of materials list wanted

    Hi Anyone know of any good extensive, up to date and "scientific approved" material properties list on the web? One that would be okay to refer to in a Master thesis. I am looking for a list with many properties for each material. Heat capacity, density, electrical resistance, elastic modulus...
  8. IvarA

    How to selec only a part of a curve.

    Hi. I have a clue regarding selecting lines in ugs nx 7.5 As you can see in the picture, I want to select ony a part of a line. I have tried almost all the selection filter combinations, but no success. Anyone have a clue? Regards, Ivar.

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