2/15/2024 0 Comments Anchor alarm app![]() I have not tested it, but under my metal roof, laying down sideways, it gets 3-4 satellites. It uses an external GPS on the mast so it should always have a good signal. I ended up leaving my very loud phone on the dash for better reception (was better, not perfect). ![]() I also used my cellphone GPS app again due to quiet Garmin (galaxy note 10+) and it keeps giving false alarms down stairs and I didn't get much sleep. ![]() No false alarms, but not enough volume to make me wake up. It has a basic drag alarm, but is not very loud. I decided to use my new Garmin GPSmap 86 which has a much better antenna. Ended up like 50' from dragging on an island. I made the alarm circle larger and larger as each false alarm woke me up. The GPS below deck sucked and kept giving false alarms. This is why fenders are not optimal and hard-shelled buoys are preferred.In my past 40' catamaran, I used a cellphone app. As a result, the pulling angle at the anchor shaft is negatively affected by this floating-chain approach.įor this to work, though, it is important that the buoys do not get compressed by the water pressure when getting pulled down. The only disadvantage of the buoy system is that the anchor stays at the seabed ( ) and so eventually, the chain still needs to get down there. So, it is all kind of flipped from seabed to water level. The chain needs to get raised to store more energy, the buoys need to get dragged deeper under water to store more energy. But when looking into it more closely, it started making sense: Normally, the chain with its weight is providing the potential energy storage needed, but when the chain floats with buoys, it is the buoyancy of these buoys that is taking over this role. I have never tried using a floating chain yet, and at first it seemed to me to it could not possibly work.
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