Can anyone identify the capacity of these??

[sharkguy05]

I picked up another set of doubles from a family friend. He said they were 72's but they seem bigger than that. From the tank markings I think they are OMS or Faber. I could not find anything in the tank lists that match though. They are 27" to the top of the neck and 26' to bottom of the neck. They are 22" in circumference and when divide that by pie you get 7in diameter. Closest thing I found on the tank list was a OMS 85 LP that was 7in in diameter and 26in high. Typically though tanks are measured to top of the neck but I could be wrong. any help would be appreciated. Thanks a bunch!!

 

[runsongas]

lp85 sounds and looks right to me

 

[Caveeagle]

I’ve never seen LP85s with scubapro labels on them.

There were some fairly rare LP72s that are totally different from the old school 2250 rated tanks.

 

[runsongas]

the scubapro lp72/lp76 that were 2400 psi are slimmer and shorter than the size quoted by OP though. 6 1/2 to 6 3/4 diameter vs 7" for the lp85.

 

[Scared Silly]

Send the serial numbers to Bud Allen @Blue Steel

http://bluesteelscuba.com/products/faber-cylinders.html

 

[Bob DBF]

the scubapro lp72/lp76 that were 2400 psi are slimmer and shorter than the size quoted by OP though. 6 1/2 to 6 3/4 diameter vs 7" for the lp85.

The ScubaPro 72's I used were MP steel tanks, 3000# service pressure ( before they made the 3180# tanks), made by Faber, they were 6 3/4 diameter, short, and sweet to dive. They were great for the goat hikes to the beach on the North Coast. I was sad when my buddy moved and took his tanks with him.


Bob

 

[sharkguy05]

the scubapro lp72/lp76 that were 2400 psi are slimmer and shorter than the size quoted by OP though. 6 1/2 to 6 3/4 diameter vs 7" for the lp85.

yea I was told they were 72's but the dimensions are not adding up. I can double check the diameter but they are def 27" to the top of the neck

 

[sharkguy05]

this is what i got back from faber
The cylinder is a diameter 171 mm (6.73”) working pressure 2400 psi +, nominal water capacity 11.96 liter 730 cu in

when I do the math to find the ideal capacity
Ideal_Capacity(ft3) = Water_Volume(ft3) × Service_Pressure(psi) ÷ Atmospheric_Pressure(14.696 psi)
get 69cuft@2400 and 75.88@2640 so true capacity is about 73cu ft

 

[runsongas]

that is the lp76. was the length you stated with the boot?

 

[Scared Silly]

this is what i got back from faber
The cylinder is a diameter 171 mm (6.73”) working pressure 2400 psi +, nominal water capacity 11.96 liter 730 cu in

when I do the math to find the ideal capacity
Ideal_Capacity(ft3) = Water_Volume(ft3) × Service_Pressure(psi) ÷ Atmospheric_Pressure(14.696 psi)
get 69cuft@2400 and 75.88@2640 so true capacity is about 73cu ft

Did you get the REE values?? Yer gonna want them for requals.

FWIW I have a set of these as doubles. They are okay but not better than LP85s in terms of dry weight and fill. Which was a bummer cause I was looking something a bit lighter than my LP85s.

Scubapro/Faber LP 75.8 Chromemoly Steel Tanks