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  1. DMBocci

    Am I forgetting any factors for my stress simulations? Al.7068

    Hello All, I have been involved with testing Al.7068-t6511 for some of our applications. We have performed room temp and elevated temp tensile and fatigue testing with good results. We have also have tested in a few applications with short cycles. My manager is weary about producing more...
  2. DMBocci

    Rule of thumb for E85 compression ratio

    E85 pump is more like 96-98 octane from realistic measurements that I have seen. I think 14:1 CR is stretching it.. I'd feel more comfortable at 13:1 max or lower. On a boosted engine..I'd feel comfortable at 12:1 max and must run high octane or very low boost if on 91/93octane. You can get away...
  3. DMBocci

    Need advice from heat exchanger experts

    I'm a turbocharger design engineer and also design heat exchangers for a known Garrett competitor. I use effectiveness when describing heat exchangers because to me, from thermodynamics, efficiency implies that some work is being done in the process. With a heat exchanger, unless you are using...

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