Page 58 - Final Report - KAUSC Team

KAUSC Team

Step Two – Calculate design power Pd

Pd = 1 2 (10)

:
1:
2: ℎ

Pd = 1.5 x 0.9 x 3.5

Pd = 4.725 KW

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Step Three – select the chain drive pitch (p)

By using the European Standard Chain Drives chart, the pitch obtained to be 12.7 mm (12 inches)
Lubrication method recommended: oil bath

Step Four – calculate the diameters of sprockets (11)

= sin(1 8 0)
D: diameter of the sprocket

p: chain pitch (mm)

N: Number of teeth

D1=12.7/ sin (180)

21

D1= 85.21 mm (3.355 inch)

D2 = 93.27 mm (3.67 inch)

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Step Five – calculate chain length

1 + 2 2 2 − 1 2 (12)
= 2 + + ( 2 )

L: chain length (pitches)

N1: Number of teeth for driver (21)

N2: Number of teeth for driven (23)

C: center distance (220 mm)

p: chain pitch (12.7 mm)

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