cool_hardware52
Contributor
cbborromeo:Mccabe, Just a quick question for you. You said you have an SS backplate, but you use an Aluminum one when you travel. Why not just use the Aluminum one all the time? I ask because I travel in order to dive, so I'm wondering if there's any drawback to just having the aluminum backplate?
Back plates aren't made of Stainless Steel because they need to be very strong, SS is used for the weight and corrosion resistance. When diving in cold water the 5-6 lbs of weight a SS backplate puts up over your buoyant lungs helps acheive horizontal trim.
When diving in warm water you will typically use less exposure suit, and therefore need less total weight. In some cases a heavy back plate will over weight the diver. This is where a light weight back plate is an advantage. Most folks choose to travel to warm sunny places where you need less exposure suit.
If you use a lightweight plate in cold water you loose the benefit of having some of your ballast over your lungs. You can use a lightweight plate in cold water, but now you have to find some other means of carrying weight, and having this weight around your waist often leads to trim problems.
Of course if travel weight restrictions are a problem a lightweight plate helps a bit.
Regards,
Tobin