2006年10月6日 · Basically says you can buy Ritchie compass fluid at West Marine or from a company like Viking Instruments - Marine Compasses, Compass Repair, Danforth Compass, Ritchie Compass .

2017年10月20日 · Just wondered how many of those of us in North remove our compasses for winter storage? This past Spring, I replaced the dome and refilled and sealed my Ritchie Globemaster . In the past, it always developed an air bubble and more lately the dome developed crazing. This year the upgraded compass has zero air bubble and looks like new. So I have …

2007年5月21日 · A hundred years ago, alcohol was a common compass dampening fluid but modern compasses use either Odorless Mineral Sprits or an Exxon Mobil product called Isopar L.

2007年7月9日 · this week end out and found the compass had leaked all the liquid out. second time this has happened to two different compasses. expensive suckers. last one cost me over two hundred bucks. anyway on our hot motor home i took it out and opened it up, sure enough had a crack in the plastic diaphram. i was thinking of just making a new diaphram out of some butyl …

2016年11月4日 · Is a compass deviation card required equipment for VFR flights? If so, can someone point me to the applicable FAR?

2010年10月7日 · Kerosene, Naptha, Lamp Oil, Compass Fluid...anything like that, close to the viscosity of water. You can also use high proof alcohol which is what they used to use until the sailors started drinking it because the US Navy had dry ships. That's why they're also known a s "Whiskey Compasses".

2007年2月19日 · Fluid filled compasses are normally refilled with mineral oil, available off the shelf from your local pharmacy. Empty the old oil and refill through the threaded brass plugged fill-hole, located under the base on most Richie models.

2012年12月1日 · Ritchie compasses now use Isopar L® which is a very refined & purified version of Ordorless Mineral Spirits. From 1960 through about 2001 Ritchie used Odorless Mineral Spirits.

2008年6月12日 · Head to that side if you can. Knowing how high you can point on each tack (in degrees) alerts you to changes in wind direction after you've rounded a mark, so you can take advantage of the shift. Compasses are especially useful in 'round the buoys racing and a lot cheaper than a GPS.

2014年3月17日 · The "factory calibration" was probably worthless the moment the compasses were installed. Even a GRP (fiberglass) boat has enough metal bits and pieces to give it its own magnetic environment. That environment has to be compensated for by adjusting the compass (es) after installation.