Scuba tanks and compressor
We use carbon scuba tanks which have a volume of 6.8 litre. Very light and small. They are good for 300 bar (4500 psi), while normal tanks are usually for 200 bar (3000 psi). 300 bar x 6.8 = 2000 litre. That is the same amount of air as in a 10 litre tank at 200 bar.
We have a Nardi compressor, which can fill at 300bar/100 litres per minute. It runs on 230 volt. I installed a soft start to reduce the peak load for the generator. The reason I went for the Nardi is that it comes standard with auto drain and auto stop. I installed it aft of the starboard engine. I transferred the start/stop button to the cockpit and made a quick connection, so that I just have to plug in a short filling hose which is connected to the tank. I can keep the engine room lid closed at all times, so the compressor runs very quiet. I modified the air intake such that it takes air from outside. Just behind the plancha, under the overhang.
Where to keep the scuba tanks?
I installed two tanks on port side, two on starboard side near the steps to the deck. Not too much work. The white brackets are Bainbridge part A096wt. I use 4 per tank. There are 10 in a package. The straps are from Plastimo item 42667. Four in a bag. They are long enough to make two sets from one, but you will need to stitch them together. Or just order more and throw away the excess length.
We love your content. Regards from Pissouri Bay Divers from Cyprus.
Thank you very much! We love diving and in a few months when we are in the Caribbean we hope to share some good footage of the underwater life there! Thank you for your kind reply! Friendly regards, Luuke and Robbert
As usual, nice and clean installation.I will also implement a Nardi dive compressor,
3 questions :
How did you manage to connect the dive tanks to the dive compressor. For securtiy reason in France the lenght of flexible hose is limited to 1,5 meter.Could you indicate the part number of the connection on which you plug the filling hose. Have you use stain less still to connect the dive compressor to the socket (if i could have refrences would also be great.)
What did you put at the end of the drain pipe
Do you have the reference of the soft start,
The coupling is actually a coupling from hydraulic installations. I went to a hydraulic parts company and selected what I needed. I have no part numbers. The white housing is Plastimo but I had to modify it to install the connector. A workshop did it for me. From there there is a flexible hose to the compressor. In the white housing, I also installed the on/off button of the compressor. It works great and is very neat. It took me quite some time to figure out how to do it, to get the parts and to install it.
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Do you know if this compressor will work across 50 and 60hz? I assume it’s 220v?
It runs on my genny at 230volt/50Hz.
Most motors will run on 60Hz but they then run 20% faster. The Nardi manual is not clear on this.
We have had some issues with the Nardi. Have to replace the filter cartridge every 5 hours to avoid stinky air.
Working with Nardi to solve it but they are very slow in response. Getting there though…