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Can't tell you about rigging that particular BC, but here are some general tips... For doubles in general, steel tanks are generally preferable. Good ol' steel "72"s are the sweetest set of doubles to use if you don't need huge air. You are using what we refer to as "dual Independent tanks". Tips- Mount your two guages where they are very handy and be sure to have a foolproof way of telling which guage (cylinder pressure) goes with which tank. If you have different gases in the tanks (not recommended if you can help it) be Extremely careful to mark regs and guages as to which is which and be Extremely careful about which one you are using. Mount clips on your regs and have d-rings high on your harness so that your regs can be quickly and easily accessed and stowed with one hand without looking. Do not, as many pictures wrongly show, tie-wrap the clip directly to the reg hose.Use a short piece of rubber tubing between the reg and clip, be sure it hangs in such a way as to prevent free flows(point mouthpiece straight back). Since you don't have a manifold bar behind your head, you can also route your hoses to stay clear of your head and have great freedom of head motion. Mount your left tank at an angle that allows you to most easily reach the tank valve, as it is somewhat recessed. If you cave dive, you must switch tanks a couple times during the dive to be sure you will always have at least 2/3 (or safe reserve) accessible. Of course, you will be doing this, anyway. The NSS Cave Diving Manual has a good section on how to do it. When some wise guy tries to tell you that independents are too hard to use, remind them that monitoring guages and switching regulators are among the most basic safety skills, you are glad you have so much practise at doing it, and anyone who feels intimidated by doing basic safety procedures dosen't belong in the water. %%%%% Safe Divin, Paul afn20573@fr*.uf*.ed* %%%%% On Tue, 1 Aug 1995, Richard X. Webster ncompveh wrote: > do any black diamond owners out there run doubles???? i am considering going > to double 80's (after diving w/a friends 120, kinda nice not to be the one > running low on air and ending the dive)...... > i want to rig them w/two reg's, no manifold..for a completely redundant > system.....any experienced voices care to give some tips/do's or don't's etc???
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