Thread: Vr3 4th cell
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Old 26th April 2005, 15:02   #9 (permalink)
pchanning
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pchanning is just really nice pchanning is just really nice pchanning is just really nice pchanning is just really nice pchanning is just really nice pchanning is just really nice pchanning is just really nice pchanning is just really nice pchanning is just really nice pchanning is just really nice
Hi John,


Quote: (Originally Posted by Mdemon)
Non-y adapter options:
  1. Extension to T-piece (old style VR£ holder)
  2. Drill case and add connector as per David Pelly mod on the RebreatherSite
  3. Buy extended tube and add cable + gland to the extended bit poking out of the head.
Anyone have any pro's/cons?

1. - Seems closer to air actually going into mouthpiece but how does ADV affect things? Tracking will be different to Head cells?

not if you screaw it in above the ADV.

2. - Extra bits. Should track well. Nice, but drilling head will invalidate warrenty and looks sooooooo scarey...

Apparantly APD wont supply 'blank' cell holder tubes (for drilling of the forth). However you could always get a bit of plastic pipe and weld it inplace of the standard three holed black bit (sorry for the technical terms). Still gotta drill the case though.

3. - ~£50 for a plastic tube and a couple of quid for the gland... Should track well. Looking like cheapest/safest option...
hmmm, dont forget a bit of luck and some big 'ol brass ones




Youre earlier comment justifying it due to failed handsets and staying on the loop is what its for. If i'd of had a VR3 last month that option would have been very handy


Local concensus seems to be that the alledged "accurate tracking" doesn't make that much of a difference to run times, and besides why trust one cell to get out quicker when it really matters over three that you trust for all other dives. What's the rush..??
Do a dil flush on the descent and an o2 flush on the ascent. Problem solved.

ATB

Paul
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