Description
Technical Data Sheet (Structured & Detailed)
UBI 65 – CAPACITY & STABILITY CALCULATION REPORT
Vessel Type: Custom Aluminum Central Console (Petrol/Gasoline)
Length: 6.5m | Material: 5083 Aluminum | Standard: AS 1799.1-2009
1. Maximum Persons Capacity
- For Protected Waters (cl. 2.2.2): 6 persons (295 kg minimum mass)
- For Open Waters (Stability Verified): 6 persons (540 kg total occupant mass)
2. Stability Analysis (Open Waters)
- Passenger Heeling Moment (Hp): 1,852 Nm
- Wind Heeling Moment (Hw): 2,532 Nm (Governing)
- Test Condition: Total Mass = 1,935 kg
- Righting Arm (GZ) Test: 0.133 m
- Resulting Heel Angle: 10 degrees
- Allowable Heel Angle: 14 degrees PASS
- Freeboard Loss: 25% PASS
3. Flotation Analysis (AS 1799.1-2009)
- Dry Mass (Hull, Deck, Equipment): 990 kg (930 + 60)
- Submerged Mass (Hull & Deck): 750 kg
- Required Foam Volume (Basic Flotation): 1.21 m³
- Foam Mass (30 kg/m³ density): 36.3 kg
- Total Supported Mass (Foam + Hull Buoyancy): 979 kg
- Buoyancy Statement: NOT REQUIRED for vessels >6m per standard.
4. Australian Builders Plate Summary (Certified Limits)
| Parameter | Limit | Note |
|---|---|---|
| Maximum Power | 200 HP | |
| Maximum Engine Weight | 275 kg | From Table 2.1 |
| Maximum Number of Persons | 6 | 540 kg total mass |
| MAXIMUM LOAD | 874 kg | Persons + Engine + Gear |
5. Compliance Notes
- This calculation determines the capacity for the Builders Plate. It must be verified by a final inclining test to confirm full compliance with Section 5 (Stability) of the standard.
- The Maximum Load (874 kg) is the critical safe operating limit encompassing people, engine, and all gear/fuel.
















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