| Propeller drag under sail accounts
for a significant performance hit to boat speed for catamarans with
diesels. Is free wheeling the props better? This page has the definitive
boat tests from both sailors and MIT addressing this subject. They all
arrive at the same conclusion. |
Propeller Drag Tests |
| Catalacs received a notoriously
poor reputation for windward performance. Mary Lack addresses the issue
in a reply to a concerned customer. I've followed her suggestions and
discovered that she was correct. I now sail at speed right up to 30
degrees apparent. |
Catalac Windward Performance letter |
| Jim Andrews article concerning
Catalac rigging adjustments, sail trim and boat trim, with maintenance
tips on Steering cables and rudders. Also in depth coverage on sailing
to windward |
Catalac Sail
Trim and Boat Trim |
| John Lack's letter with various
performance and maintenance tips concerning incorrectly positioned masts,
Stemheads, and Stern Glands. |
Catalac Factory Update 1 |
| John Lack's 2nd state of Catalac
Catamarans letter with various performance and maintenance tips including,
Yanmar gearbox problems and standing rigging failures. |
Catalac Factory Update 2 |
| John Lack's 3rd state of Catalac
Catamarans letter with various performance and maintenance tips concerning
mast raising, stemheads, Fixed Skegs and Rudders and a nice article
on Gel Coat Repairs. |
Catalac Factory
Update 3 |
| Catalac 8M and 9M mast lowering
instructions |
Mast Lowering |
| Rotostay Auto Furler installation
instructions |
Rotostay manual |
