On a catamaran, more than any other sailing vessel, the weight has a major impact on the speed you can travel. I remember the first sail on the boat when if was free of all my tools, appliances and stuff she easily sailed along at 10 knots. Now I can not expect better than 7.5 knots even in the most optimal conditions (except when surfing.) So as part of this exercise I not only want to maintain the same weight, I would like to make the boat lighter if possible.
Here is the detailed break down:
Weight Calculations | LBs | # | Total LBs |
Additions | | | |
Batteries 12 volt Odyssey PC2250 | 87 | 9 | 783 |
Water Tanks 2- 20 Gallon | 160 | 2 | 320 |
Batteries Chargers 10 Amp | 18 | 2 | 36 |
Motors | 65 | 2 | 130 |
Honda 15 | 136 | 1 | 136 |
Motor Bracket | 25 | 1 | 25 |
Water Heater Instant on | 18 | 1 | 18 |
Fuel Tank - 10 gallon gas | 80 | 1 | 80 |
Total Weight added (Heavy Cruising - full tanks) | | | 1528 |
Total Weight added (Typical configuration - half water tanks) | | | 1368 |
Total Weight added (Light Day Sailing - no Water/Outboard/Gas) | | | 992 |
| | | |
Removed items | | | |
Water Heater | 75 | 1 | 75 |
6 volt batteries (old house bank - replaced by one PC2250) | 63 | 4 | 252 |
Diesel Fuel Tanks | 150 | 2 | 300 |
Water Tanks 2- 30 Gallon | 240 | 2 | 480 |
Westerbeke 30B | 274 | 1 | 274 |
Outdrive | 110 | 1 | 110 |
Forced Air Heater | 25 | 1 | 25 |
Water and hoses for cooling/heating | 15 | 1 | 15 |
Raw Water Strainer | 25 | 1 | 25 |
Total Weight Removed (Heavy Cruising - full tanks) | | | 1556 |
Total Weight Removed (Typical Configuration - half water tanks) | | | 1316 |
Total Weight Removed (Light Day Sailing no water) | | | 1076 |
| | | |
Difference Heavy | | | -28 |
Difference Typical | | | 52 |
Difference Light | | | -84 |
