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  • Users: not2fast
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  1. not2fast

    How much Draw for Interference fit on a Taper

    I've had several idea's about how to secure a small Supercharger rotor to the shaft that I'm building. Rather than a conventional press fit & parallel shaft I was thinking to use a Taper of 1 degree, but I'm open to suggestions. The Rotors are 6061 Al, OD 75mm, Length 150mm. The Shaft is 4140...
  2. not2fast

    Involute curve accuracy

    Hi All I found a macro for an Involute curve that works great however I see that the created curve in the sketch is a series of points & lines. I converted this Inv curve to construction geometry and recreated the Inv Curve with a Spline along the points that looks better. My question is whats...
  3. not2fast

    Engine cooling Fan ... Blowing or Sucking

    Hi, I have a small Heat bench that I put together to test a few small M/C Radiators, at the moment its set up to suck air through the Radiator. I'm measuring the Depression with a water manometer between the Fan and the Rad for each test... e.g. lets say its 20mm H2O @ 8m/sec Now if I change...
  4. not2fast

    Curves through XYZ points

    Hi I'm confused here about the curve through the xyz points as I cant seem to get it to import the plotted curves, I have a bunch of coordinates from a CMM and these have been saved into 3 columns as the help file on this topic suggests. here is a curve that wont open. 0.00 46.90 131.95 42.18...
  5. not2fast

    lofting a Y Duct

    Hi I'm new to these forums and what a great wealth of information reside here. My question is with regards to Lofting a Y Duct like the sort thats used in HVAC, I can draw this with 3 circles located on 3 planes and extrude this but How about the loft feature is this possible ? I had 3 guide...

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