X30 Runabout 9.5m Hybrid Electric Propulsion convertible topsides Architecture&design Andrei Rochian

X30 Runabout 9.5m Hybrid Electric Propulsion convertible topsides Architecture&design Andrei Rochian 🚤⚡
Construction Cold molded mahogany WOOD&EPOXY
Overall Length (LOA): 8.985 meters
Length at Waterline (LWL): 7.517 meters
Beam at Maximum (Bmax): 2.829 meters
Beam at Waterline (BWL): 2.481 meters
Height: 1.843 meters
Deadrise Angle at Stern: 19 degrees
Hull Surface Area: 62 m²
Weight Estimation:
Hull Wood Weight: 446.4 kg
Hull Stiffeners Weight (17 ring frames + keel + girders): 158.6 kg
Engine Weight (300 HP diesel): 500 kg
Internal Structure and Equipment Weight (approx.): 700 kg
Total Estimated Weight:
Total Weight≈1305kg
Mechanical Properties of the Cold Molded Wood-Epoxy Laminate
For the wood-epoxy laminate made of 4 layers of 3mm thick diagonal mahogany wood (12mm total thickness) and West System epoxy resin, the mechanical properties are determined based on both the wood's natural properties and the contribution of the epoxy resin.
Material Breakdown:
Mahogany Wood: 600 kg/m³
Epoxy Resin (West System): 1150 kg/m³
Mechanical Properties (Approximations):
Tensile Strength:
For mahogany wood, the tensile strength typically ranges from 60-90 MPa.
Epoxy resin contributes to improving tensile strength. The laminate's tensile strength would be within this range but improved by the bond strength of the epoxy.
Compressive Strength:
For mahogany, the compressive strength is generally around 55-80 MPa.
The epoxy layer increases the laminate's overall compressive strength.
Flexural Strength:
The combination of wood and epoxy provides good flexural strength. For cold-molded wood laminates, the flexural strength typically ranges between 80-100 MPa.
Modulus of Elasticity (Young's Modulus):
For mahogany, this typically falls between 10-13 GPa.
The laminate’s modulus will be closer to 11-12 GPa, considering the stiffness of the epoxy and the wood combined.
Shear Strength:
ood laminates have excellent shear strength due to the diagonal plies, which resist delamination. The shear strength would likely be in the range of 10-15 MPa for this configuration.
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