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Date: Thu, 22 Oct 1998 11:46:13 -0400
To: techdiver@aquanaut.com
From: Maggie <mmowens@pa*.co*>
Subject: Re: question re New BC
>Any comments on which size to get?  the current choices seem to be #45 and
>#65 pounds of lift.  The seatec worked well, but was marginal on lift; I
>don't want to go any lighter and would prefer an extra #5 or so lbs. lift.
>The default is the #65 model, but if I could get away with the 45 I would
>prefer that.

My suggestion, based purely on my own experience is to figure out the
heaviest you could possibly be and add it up.

My personal setup:
	steel backplate - 6# negative
	double OMS 85's - -14+ # negative when full (usually, they're overfilled,
not sure exactly how negative)
	40 cu. ft. aluminum sling bottle -1# negative when full
	MLS light -- 1 1/2 # negative
	wrecking tools -- up to 7# negative
	6 cu. ft. aluminum argon bottle -  1# negative when full
	(Note: I don't wear any weight because the backplate is sufficient even if
my tanks are empty and I am 
	carrying no light, argon or wrecking tools -- even in salt water)
	---------------------
	Total 31 pounds or less (depending on wrecking tools, if any) (This does
not count misc. accessories with un-measured 
	buoyancy characteristics, such as reel(s), lift bag, back-up lights, goody
bag, etc.)

I did the math. Based on the reasonable assumption that I am not
*personally* 14# negative, the 45# wings should have more than enough lift.
And (much to my relief) I was right -- even with a flooded drysuit, the
halcyon 45# wings were *more* than sufficient.


Maggie, who seems to be a northeast-wreck-diving-geek-using-stroke-gear
mmowens@pa*.co*
http://www.panix.com/~mmowens
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