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  1. rotarypower

    Looking for advice to a 12 volt electric car question.

    Hi guys looking for advice to a 12 volt electric car question. The question is if 12 volts DC were to be the only available power source, what are the most logical choices for powering a 120V ceramic heater element ranging from 900W to 1500W. I can see that there are power inverters that are...
  2. rotarypower

    polynomial to define a curve in mechanical desktop?

    I got some help from a timely friend, and he recommended using spline to join arc segments with given points. Not exactly what I wanted, but it will do for now. I have not been able to find any think pertaining to this kind of activity even beig permitted. Why would that be? Are other more...
  3. rotarypower

    Axial flow jet pump cone geometry

    This is what I am planning on for a profile, or something to this effect, if I can find some data supporting transition zones and rate of change for the profile. I have taken measurements to try and find what others have done, and copy that, but would really like to see some information on what...
  4. rotarypower

    Axial flow jet pump cone geometry

    Thank you for taking time to comment :) any input is very much appreciated. The reason why I wish to know the design parameters is not so much to improve upon the stock part (though this should be easily possible), but I am working on a project that requires knowing what is advantageous and...
  5. rotarypower

    Axial flow jet pump cone geometry

    Essentially what I am looking for is what 2 dimensional profiles would one choose as a cap cone for the bearing and shaft housing to most efficiently return the water to a laminar nonhollowed out stream? I have physically measured the existing cone and have derived a mathematical equation that...
  6. rotarypower

    polynomial to define a curve in mechanical desktop?

    Is it possible to enter a polynomial to define a curve in mechanical desktop? I read as many help topics came up with keywords polynomial, but could not find anything helpful. Searched under keywords here and did not find a match either.
  7. rotarypower

    Axial flow jet pump cone geometry

    Sorry the response was delayed spent a little time in HI :). Yes I think you could it could be called a “discharge diffuser “ It is part number 13 in the microfiche diagram that I posted. Does the pic show up alright when clicked? Or does it require logging into the site to view? I tried...
  8. rotarypower

    Axial flow jet pump cone geometry

    Hi guys wondering if anyone knows where I can get information about the geometry of a jet pump cone for a clear water application? I need to design a cone for a vein mounted cone off from a axial jet pump. Can someone lead me in the right direction what profiles I can use, and basic...
  9. rotarypower

    best thin thermally nonconductive material

    That may be a good choice, are there any other materials that are just as good but have more durable properties that could withstand the rigors of moisture and engine bay heat and high speed air flowing over it causing it to oscillate and probably fracture apart? Any comments on perhaps using a...
  10. rotarypower

    best thin thermally nonconductive material

    What is the best thermally nonconductive material I can get that is thin? Need to put it between the intake side of a IC and a airbox I am making My scenario is that the IC is going to be around 200*F and pressed up against a aluminum airbox. I wish to use a very thin nonconductive material with...

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