http://groups.yahoo.com/group/origamiboats/ Frameless steel and aluminum yachts Mon, 09 Nov 2009 01:10:18 GMT markh http://groups.yahoo.com/group/origamiboats/message/21508 http://groups.yahoo.com/group/origamiboats/message/21508 Gary: That would be mildew. There are some cleaners that will remove the spots and some new cleaners that really do an excellent job. They all seem to contain Sun, 08 Nov 2009 20:20:23 GMT GP http://groups.yahoo.com/group/origamiboats/message/21507 http://groups.yahoo.com/group/origamiboats/message/21507 I have some of those black mold dots growing on the underside of my v birth cushions where I bunk down...pretty much in the location of my upper body. Anyone Sun, 08 Nov 2009 04:40:22 GMT arctichusky44 http://groups.yahoo.com/group/origamiboats/message/21506 http://groups.yahoo.com/group/origamiboats/message/21506 The marine company I worked for for many years ago in Alaska made a point of enhancing the nav markers in many channels for the benefit of their crews. The Sat, 07 Nov 2009 17:55:19 GMT steve http://groups.yahoo.com/group/origamiboats/message/21505 http://groups.yahoo.com/group/origamiboats/message/21505 I can attest that the 'Brent Swain Hydrographic and Navigational Aids Service' is a good one. His leading marks on the entry to Home Bay Lagoon on Jedediah Sat, 07 Nov 2009 11:42:22 GMT BrianC http://groups.yahoo.com/group/origamiboats/message/21504 http://groups.yahoo.com/group/origamiboats/message/21504 Checked on current metal costs for the 31 footer from Russel metals in Cambell River. Zinc primed plate for the sides and deck and bar stock. 5500 Can for Sat, 07 Nov 2009 07:11:34 GMT mauro gonzaga http://groups.yahoo.com/group/origamiboats/message/21503 http://groups.yahoo.com/group/origamiboats/message/21503 Total resistance to the advancement of the boat or model is of two types: friction and wave. Wave is proportional following the rule V=1.34 x SQRL and friction Sat, 07 Nov 2009 03:11:32 GMT peter_d_wiley http://groups.yahoo.com/group/origamiboats/message/21502 http://groups.yahoo.com/group/origamiboats/message/21502 I discussed this process with Tom Colvin who used to do it to his hulls. He stopped with the advent of better paints a number of years ago. From what he said Sat, 07 Nov 2009 00:00:54 GMT brentswain38 http://groups.yahoo.com/group/origamiboats/message/21501 http://groups.yahoo.com/group/origamiboats/message/21501 When one is trying to return to a dark anchorage on a rainy night, a small reflector cemented into a rock near the entrance is a godsend , by giving one a Fri, 06 Nov 2009 23:55:51 GMT brentswain38 http://groups.yahoo.com/group/origamiboats/message/21500 http://groups.yahoo.com/group/origamiboats/message/21500 Testing gives you a rough idea of performance, and what is or is not an improvement. I've heard of people gluing sandpaper on models to get the boundry layer, Fri, 06 Nov 2009 23:48:33 GMT brentswain38 http://groups.yahoo.com/group/origamiboats/message/21499 http://groups.yahoo.com/group/origamiboats/message/21499 The model should be the cube root of the scale , as it has width, times length, times depth, three dimensions. I have used a single layer of fibreglas matt Fri, 06 Nov 2009 23:36:10 GMT brentswain38 http://groups.yahoo.com/group/origamiboats/message/21498 http://groups.yahoo.com/group/origamiboats/message/21498 I have used plastic hose barb material, but mine has been runing stainless on stainless for 25 years with no problem, cruising 11 months a year, all on anchor. Fri, 06 Nov 2009 23:35:43 GMT brentswain38 http://groups.yahoo.com/group/origamiboats/message/21497 http://groups.yahoo.com/group/origamiboats/message/21497 Yes , a square tooth gear is a much better option, as it lets you let out rode while under load, by simply flipping the pawls up with a pry bar.I've been doing Thu, 05 Nov 2009 16:43:07 GMT jpronk1 http://groups.yahoo.com/group/origamiboats/message/21495 http://groups.yahoo.com/group/origamiboats/message/21495 Wow! I need to start using spell check or read my messages more closely before posting! James Thu, 05 Nov 2009 16:40:24 GMT jpronk1 http://groups.yahoo.com/group/origamiboats/message/21494 http://groups.yahoo.com/group/origamiboats/message/21494 Would the bushing material need to be 5/16" thick? James Thu, 05 Nov 2009 16:11:35 GMT jpronk1 http://groups.yahoo.com/group/origamiboats/message/21493 http://groups.yahoo.com/group/origamiboats/message/21493 Hey Brent what are you using as a bushing between the centre of the drum and the axle and doe the bushing go the hole length of the drum? James