reubencahn
Contributor
smb1014:
Where did you find an E7100? I'm searching for one.
tank size
- Thread starter AaronR103
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Where did you find an E7100? I'm searching for one.
I doubled up a pair of PST HP 100's (the previous version of the E-7 100's) in the mid-1990's when I began doing some deeper, decompression, dry suit diving in the Great Lakes. I absolutely loved these tanks for their weight/buoyancy characteristics and adequte capacity. (Using these I easily could do a 180 ffw 25 min accelerated deco air dive without violating the modified rule of thirds.) At the time, several of my tech friends were using the same doubles.
After three dive seasons, I switched out these HP 100's for HP 120's (now updated to be the E-7 120's), because these taller cylinders made it much, much easier for me to do valve shutdowns--I am just under 6' 2". I use these HP 120 doubles to date when I am diving dry. Although I havn't needed the additional capacity for the types of dives I do, and although the length of these makes schlepping them around by hand a bit of a pain, I nevertheless like these HP 120 doubles very much.
I hope this helps.
After three dive seasons, I switched out these HP 100's for HP 120's (now updated to be the E-7 120's), because these taller cylinders made it much, much easier for me to do valve shutdowns--I am just under 6' 2". I use these HP 120 doubles to date when I am diving dry. Although I havn't needed the additional capacity for the types of dives I do, and although the length of these makes schlepping them around by hand a bit of a pain, I nevertheless like these HP 120 doubles very much.
I hope this helps.
smb1014
Contributor
Yes, drysuit indeed. Just a little lead needed.DIR-Atlanta:
I forgot to add: I use(d) OMS bands and isolation manifold with these HP 120's. (I had used these with the HP 100's as well after upgrading from DiveRite bands and Sherwood Genesis Double-DIN isolation manifold.) Occasionally I double up my Luxfer Al 80's; to do this, I use these same OMS bands and the isolation valve section of this manifold. FWIW.
Curly
Contributor
reubencahn:
If you can't find the PST E7-100s, try the X7-100s manf'd by Worthington. Sea Pearls carries them. I just got one from my LDS. Same size. HP (mid-range, 3442). 10 pounds negative when full, and -2.5 empty. I removed ten pounds of lead and am still dropping like a rock. No worries re: light, hot fills. At 3k psi, it still holds more than an AL 80, with better buoyancy characteristics and a lower profile. Nice tank. The DIN-Yoke reg is a nice feature, too. They claim to come O2 clean from the factory, but you don't know where it's been or who might've removed the valve on the way to the vendor...
reubencahn
Contributor
Curly:
My problem is that I have one E7-100 (and one HP100). I want to break down my double AL80s and double up a pair of E7-100s so I'm looking for an exact match. I just don't want to buy two new tanks. I did stop in at an LDS today and they may be interested in trading an E7-100 for the HP100 plus cash, so maybe I'm in luck.
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