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Tank bands for Faber LP85 tanks?

Discussion in 'NorCal' started by Hepcat62, Mar 23, 2010.

  1. Hepcat62

    Hepcat62 PADI Pro

    # of Dives: 500 - 999
    Location: Redwood City, CA
    Hi all,

    I'd ask this on the tanks forum, but since I always prefer local advice... :D

    I have a lead on a pair of used Faber LP85s in good shape for a really nice price, and I'm really close to committing on them. If I buy them I'll be doubling them up, and I have a couple of questions...

    1) What size bands actually work on them? I've been told that these tanks are 7" in diameter. Will common 7.25" bands work on these? If not, does anybody have a recommendation for bands that would work (with a source for buying them)?

    2) What do people find is a typical difference in weight-belt when compared to doubled up HP100s? The 100's are definitely attractive in terms of carrying less extra lead around...

  2. cool_hardware52

    cool_hardware52 Dive Equipment Manufacturer

    Faber 85's are nice tanks. Highland Millwork used to make bands for these 7" diameter tanks, but sadly Highland Millwork is no more.

    You can still source good quality 7" bands from TechDivingLimited

    The Fabers are almost neutral empty vs about -2 each for HP100's

  3. evad

    evad Solo Diver


    From Piranha Dive Manufacturing:

    Click for larger image 7.00 Inch Stainless Steel Cylinder Bands

    Use these bands with 7.00 Inch cylinders!
    Our bands are made out of high quality marine grade 316-L stainless steel
    1/16" Inch Thick is used and has a #4 Brushed finish that makes these bands stand out!
    16 gauge thickness ensure a sturdy double set-up
    Bands are 2 1/2 Inches wide
    Fits all major brands of manifolds on the market today
    All Joints are precision tig welded
    A set includes "2" bands and 1 set of 316-L Stainless Steel hardware!

    Piranha's Price: $77.95 (Suggested Retail Price:$139.50)

    The welds are continuous and very good to excellent (on mine at least).
  4. Joe_Diver

    Joe_Diver Garibaldi

    # of Dives:
    Location: Monterey, CA
    When I checked a couple of weeks ago, the only sources were OMS and Dive Rite. The OMS model is BD2570-K, which is what I ended up getting. I would have preferred Highland bands (sold by XS Scuba), but they don't make that size.

  5. andrewy

    andrewy DIR Practitioner

    # of Dives:
    Location: belmont, ca
    You can use 7.25 or 7.0 bands from PIranha, they are the best. on 7.25 bands you'll need to cut your bolts a bit with sander. Do not double up HP100 as you looking for -28 negative :)
    Faber 85 are negative 6.75 full to 0 empty (OMS version), what version are yours.?
  6. JBRES1

    JBRES1 ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 500 - 999
    Location: Naperville, Il. (Chicago area)

    Note: that the Faber FX100's ( 3442 psig ) are about -16# when doubled, its the HP-100's or the (3180psig + 10%) that are rocks at about -30# when doubled.

    Jim Breslin
  7. andrewy

    andrewy DIR Practitioner

    # of Dives:
    Location: belmont, ca
    yep, i was talking about above mentioned HP100
  8. rhlee

    rhlee Instructor, Scuba

    # of Dives: 500 - 999
    Location: Bay Area, CA
    Hi Brian,

    You want 7" or (maybe 6.9") bands. 7.25" will not work and will put too much stress on the welds of the bands. Remember the bands are providing the rigidity to the system so it's important that you use the right bands for the job.

    Most of the HP100s you see locally are either PST HP100's or Worthington/XS HP100's. I'd agree with Tobin that the weight difference between these tanks and the Faber 85s is about 2lbs.

    The other nice thing about the 85s is that since they are a bit longer than the 100s (and since they are a bit more buoyant) they give you more a bit more options in terms of lead distribution on your body to help trim yourself out (if needed).

    I live right up the street from the shop, if you want to stop by my garage sometime we can chat and I can show you what I mean.

    Hope that helps,

  9. Guy Alcala

    Guy Alcala Solo Diver

    # of Dives: 200 - 499
    Location: SF Bay Area
    Rob, I think it's more than that. The most recent data I have shows the Faber LP85 as -3.80/+2.32 (full/empty), the PST E7-100 as -8.5/-1.0, and the Worthington X7-100 as -10.0/-2.5. So for double E7s you're looking at 9.40/6.64 lb. difference, and for double X7s it's 12.4/9.64 lb. difference. BTW, OMS seems to have found another supplier for their LP tanks, because the new tanks they're selling have very different buoyancy from the Fabers.

  10. cool_hardware52

    cool_hardware52 Dive Equipment Manufacturer

    I suspect these numbers are sans valves.


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