MANTUS CHAIN-HOOK GATE Sneak preview, a mantus hook gate makes it nearly impossible for the Mantus Hook to come off the chain… and yet easily opens to unlock Stay tuned, its really exciting and we have more but just can’t tell you yet 😉 Any idea what to call it ?
In the last post we introduced some background on shackles and federal standards for shackles.  https://www.mantusmarine.com/wp-content/uploads/2013/11/shackle-document.pdf In this post we will explore the subject of working load vs breaking strength in stainless steel shackles…   Many, when sizing gear look for one number “THE WORKING LOAD”  because once the working loads match up with, say, that…
Shackles Explored: In this document you will find how shackles are classified by type, class, and grade; find dimensions of most shackle types and their respective working loads……. Mantus Shackle Document
We often find that if you try to buy a shackle for Hi-Test G40/43 chain, it is hard to match the working load of the shackle to that of the G40/43 chain… So the question is why? While digging into this we came up with a revelation, most chain specs dictate that the safety factor…
BACKGROUND In response to a Cuisers Forum thread regarding shank strength, we promised to provide an assessment on how Mantus compared to the competition. First it is important to note, this load case is NOT an everyday occurrence. The challenge was to assume the following loading (See Fig. 1): The shank modeled as a cantilever…
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