AnchorChainCalculator 4+
Mathias Wagner
iPad용으로 디자인됨
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- ₩11,000
스크린샷
설명
Rather than following generic and unspecific advice how much chain or rope to pay out when at anchor, use this app to calculate the right amount of chain or rope needed for the anchor to have the best possible grip – safety tailored for your vessel!
This app has been developed by a sailor living at anchor. It is based on physics rather than rules.
Only too often does anchoring advice boil down to: Use a scope (i.e. ratio of chain length to water depth) of 3:1 in calm weather, and increase this to 5:1 or 7:1 as the wind picks up. This advice is independent of your vessel’s characteristics, independent of water depth, swell, or even the wind strength. So, is a scope of 7:1 still good enough for the storm tonight? Is the snubber or bridle you are using good enough to keep you safe at anchor?
The Anchor Chain Calculator allows you to calculate the minimally required anchor chain and/or rope length based on a number of vessel characteristics and sea / weather conditions. It tells you what load the anchor will have to bear, and when you are using a snubber, bridle or rope, how much of the swell it absorbs, and how much it reduces the anchor load. When anchoring in shallow water it is particularly important to include these dynamic and elastic effects caused by strong swell and gusts.
The app can work with a chain-only scenario as well as with an arbitrary mix of rope and chain. So, despite its name, it can also deal with a rope without any chain at all. ;)
You can also restrict the chain or rope length, if you have to - perhaps because of nearby neighbours or obstacles - and get information how this restriction affects the anchor load and the angle at which the chain pulls at the anchor.
The app has two modes of working: Basic Mode and Expert Mode. With Basic Mode you will be able to use the app right away, whilst Expert Mode allows you to enter more technical details of your boat if you know them.
You can use either metric units (metres, daN / kp, and mm for chain thickness) or imperial units (feet, lbs, and inch for chain thickness).
You can store different vessel configurations by name and so can easily switch, e.g., between different snubber, bridle, rope or vessel setups (e.g., a snubber for the lunch stop, another snubber for normal usage, and a third longer and even more elastic snubber for really bad weather). These setups can be locked to prevent accidental overwriting.
This app is also great for playing through all kinds of "what if?” scenarios. It will help you to plan ahead and be better prepared.
The perfect addition to an anchor alarm / anchor watch for safer anchoring!
새로운 기능
버전 2.2.8
Corrected bug in mixed mode chain and rope when swell energy is zero
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정보
- 제공자
- Mathias Wagner
- 크기
- 12.3MB
- 카테고리
- 유틸리티
- 호환성
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- iPhone
- iOS 10.0 이상 필요.
- iPad
- iPadOS 10.0 이상 필요.
- iPod touch
- iOS 10.0 이상 필요.
- Mac
- macOS 11.0 이상 및 Apple M1 칩 이상이 탑재된 Mac이 필요.
- Apple Vision
- visionOS 1.0 이상 필요.
- 언어
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네덜란드어, 덴마크어, 독일어, 보크몰 노르웨이어, 스웨덴어, 스페인어, 영어, 이탈리아어, 터키어, 포르투갈어, 프랑스어
- 연령 등급
- 4+
- 저작권
- © 2023 Mathias Wagner
- 가격
- ₩11,000
지원
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