Gear

Two gears, fit into each other, has transfer 2:3. Centres of gears are spaced 82 cm. What are the radii of the gears?

Result

r1 =  49.2 cm
r2 =  32.8 cm

Solution:

r1=82(23+1)=49.2  cm r_1 = \dfrac{ 82 }{ ( \dfrac{ 2}{ 3} +1 ) } = 49.2 \ \text{ cm }
r2=23r1=32.8  cm r_2 = \dfrac{ 2}{ 3} r_1 = 32.8 \ \text{ cm }

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