nakujaproject / internship2021

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Design of N-1 rocket including determining which material is to be used to hold the cast propellant #34

Closed shohei closed 3 years ago

shohei commented 3 years ago

Ref: https://github.com/nakujaproject/intern/blob/main/felix/Nakuja%20internship%20Progress%20report%20format.pdf

SammyOina commented 3 years ago
Pipe casing (PVC) material comparison size 1.5'' Type Schedule 40 Schedule 80
Inner Diameter (inches) 1.592 1.476
Min Wall Thickness (inches) 0.145 0.200
Max Working Pressure (psi) 330 470

from https://www.jacobsrocketry.com/aer/misc_tables.htm

SammyOina commented 3 years ago
Pipe used for the casing Material UPVC
image IMG_20210413_220830
Pressure Nominal 25
Outside Diameter 40 mm
Inside Diameter 31 mm
Wall thickness 4.5mm
Estimated Design Pressure 4.6MPa with a safety factor of 1.5
Burst Pressure 12MPa with a d-safety factor of 2.62