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  1. ricdat

    Port taper and velocity

    Thanks for the valuable post (and reassuring, considering how I am locked into tapers for my engine currently being built). One small thing: momentum is actually MV (mass x velocity) while KE (kinetic energy) is 1/2MV^2. Regards, Rick Dathan
  2. ricdat

    brake rotor material

    I recently researched this to replace my warped and variable thickness motorcycle discs. It appears that they use a "high carbon content 400 series (martensitic) stainless steel" or "420 stainless". Sources: http://members.ozemail.com.au/~smiley_b1/About.htm...
  3. ricdat

    SPRING FREQUENCY

    Quote: "Most of the books on vehicle dynamics tell us that we should be vitally interested in the natural frequency of our springs. I have never figured out why?" ---------------------------------------------------------- When racecar or sportscar builders ask me how stiff their springs should...
  4. ricdat

    Ball Joints / Rod Ends / Spherical Brgs

    Hi Greg, for me, a tie-rod end is the thing joining a steering arm to the steering link (that, in turn, goes to a steering rack). It has a female threaded housing for the steering link and a tapered stud to plug into the steering arm. This is not what I am after. I agree that a spherical joint...
  5. ricdat

    Ball Joints / Rod Ends / Spherical Brgs

    Thanks Pete, the only place I have seen the type of bearing I am after is on the McLaren F1 road car, but I suspect they made their own (unlimited budget). As you say, on race cars it is easier - they only have limited steering angle so a radially loaded bearing at the end of a pushrod is OK...
  6. ricdat

    Ball Joints / Rod Ends / Spherical Brgs

    Rod Ends and Spherical Bearings are readily available from many manufacturers in a range of sizes and configurations and have published dimensional and load capacity data. I want to peruse such data for "ball with integral stud" types. My problem is that they are 'all the same' in that...

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