Length of pipe challenge

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Calculate length, accurate to 1 decimal place. Leg 1 = 87, leg 2 = 162, turn = 155 x 155, pipe diameter is 16.
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Radius along neutral axis = 147 [155-8]
Arc length @ cl= 1/4 th of circumference of circle with radius 147 and therefore, (147π/2)
Net pipe length= 479.907mm

JayavigneshV
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I doubled the measurement - 155 - which gave me the diameter of the circle (if the bend was a circle) then I multiplied that - 310 - by pi - 3.142 -  which gave me the circumference of the circle - 974.02 - and divided it by four (because the right angle bend was only quarter of a circle) = 243.505 then added the two legs + 87 = 330.505 and 162 = 492.505 which is the total length.

lornaeaton
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155 + 155 - 8 (half of the pipe diameter) + Leg 1 (87)+ Leg 2 (162) = 551mm ?

hugobos