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  • Users: hacki72
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  1. hacki72

    running two stroke enginge (yamaha scooter) with fuel-alcohol blend?

    Hi there, has someone experience in running a two stroke enginge (yamaha scooter) with a fuel-alcohol blend? (85% unleaded fuel/15% Ethanol) I think the lubrication could be a problem. I also ask myself if the fuel lines can take it. Thanks hacki
  2. hacki72

    viscosity of polyamide after heat-aging

    I have noticed a "strange" behaviour of a molded PA12 GF30 part. The viscosity of the material after heat storage 1000h/150°C is higher than the original value. Normally the molecules should be damaged and as a result of this effect the viscosity should be lower. The viscosity was measured with...
  3. hacki72

    PPAP 4th Edition

    Does anybody work with the 4th Edition of PPAP? Is it possible to get a sample from the Material-Test Data sheet because I have do make a e-paper form for our initial samples testing process. Thanks hacki
  4. hacki72

    Calculation of Leak rate

    Hi, I need to calculate a helium leak test rate from mbar*l/sec. in cm³/min. I tried to find something "easy" like a table or something due to my leak of knowledge according gas dynamics and such things. Can someone help?? Thanks hacki

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