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2. Wheel factorization - Wikipedia

   en.wikipedia.org/wiki/Wheel_factorization

   Wheel factorization with n = 2 × 3 × 5 = 30.No primes will occur in the yellow areas. Wheel factorization is a method for generating a sequence of natural numbers by repeated additions, as determined by a number of the first few primes, so that the generated numbers are coprime with these primes, by construction.

3. Tri-star (wheel arrangement) - Wikipedia

   en.wikipedia.org/wiki/Tri-star_(wheel_arrangement)

   A Tri-Star wheel assembly rotating through a hole. The tri-star is a novel wheel design—originally by Robert and John Forsyth, assigned to Lockheed in 1967—in which three wheels are arranged in an upright triangle with two on the ground and one above them. If either of the wheels in contact with the ground gets stuck, the whole system ...

4. Sieve of Pritchard - Wikipedia

   en.wikipedia.org/wiki/Sieve_of_Pritchard

   1 2 3 5. The first number after 1 for wheel 2 is 5; note it as a prime. Now form wheel 3 with length 5 × 6 = 30 by first extending wheel 2 up to 30 and then deleting 5 times each number in wheel 2 (in reverse order!), to get 1 2 3 5 7 11 13 17 19 23 25 29. The first number after 1 for wheel 3 is 7; note it as a prime. Now wheel 4 has length 7 ...

5. Spoke - Wikipedia

   en.wikipedia.org/wiki/Spoke

   For example, a 32 spoke wheel has 16 spokes per side, 360° divided by 16 equals 22.5°. Multiply 22.5° ("angle between adjacent flange holes") by the number of crossings to get the angle a—if 3-crosses, the 32 spoke wheel has an angle a of 67.5°. Regarding r 3: The size of the spoke holes in the flange does not matter for the needed spoke ...

6. Wheelbuilding - Wikipedia

   en.wikipedia.org/wiki/Wheelbuilding

   For a normal wheel size and spoke count, only the latter is suitable for a wheel that has to transmit torque from the hub to the rim, as with rear wheels or hub brakes. This rule is occasionally broken where a very large number of spokes is used, or the wheel is unusually small in diameter, either of which reduces the amount of increased ...

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