Propeller strength calculation is a must-do process after propeller design to avoid possible blade damage or fractures.
It's complicated calculation methods to consider all propeller parameters, the calculation result gives simple answer of YES/No.
Here's the basic required data (sample) for propeller strength calculation.
Data List For Propeller Strength Calculation (sample)
General Particulars
Name of ship: |
New Titanic |
LOA: |
47.00 m |
LBP: |
40.50 m |
BREADTH: |
9.40 m |
DEPTH: |
4.00 m |
SUMMER DRAFT: |
2.80 m |
TYPE: |
Double hull, Oil tanker |
CLASS: |
PRS |
GT: |
532.189 |
NT: |
457.5 |
IMO NO.: |
9769582 |
REQUIRED DATA
PROPELLER TYPE: |
Fixed pitch propeller |
MATERIAL OF PROPELLER: |
Cu3 Ni-Al Bronze |
NO. OF PROPELLERS: |
2 |
NUMBER OF BLADES: |
4 |
WAKE FRICTION: |
0.243 |
THRUST DEDUCTION: |
0.171 |
BREAK POWER: |
565 HP |
SHAFT EFFIECENCY: |
75% |
RPM OF PROPELLER: |
408 |
DRAFT: |
2.8 m |
SUBMERGE OF PROPELLER: |
1.50 M "Height of Water Above The Upper Tip" |
BLOCK COFFIECENT: |
0.749 |
SPECIFIC WEIGHT OF SEA WATER: |
1.025 t/m3 |
CAVITATION TYPE: |
bubble cavitation |