3 ms·
Typically people would use drop weights for emergency floatation, as that's more reliable.
by jleahy 9y ago
Typically people would use drop weights for emergency floatation, as that's more reliable.
- dTal 9y agoThe CSS Hunley used this design, to no avail. It's not clear what went wrong but I think the larger point to draw is that such a system requires positive action, with more things to go wrong; it is "fail-deadly". Positive buoyancy and dive planes are "fail-safe" - you stop, you float.