How Does Brownie’s THIRD LUNG™ Enhance Your Diving and Boating Experience?
The era of traditional dive gear cluttering the deck of your boat has been replaced by the simplicity of
our hidden compressor. A simple flip of a switch will have you diving at a moments notice, thus
creating the ultimate experience in luxury and Diving Made Easy.
our hidden compressor. A simple flip of a switch will have you diving at a moments notice, thus
creating the ultimate experience in luxury and Diving Made Easy.
The BOS 1
For proper weight distribution and ease of placement, Motor/Compressor and Battery modules are individually mounted on King Starboard with pre-drilled holes. Modules snap together with Anderson fittings.
The BOS 1: Key Features
Motor
All BIAS systems begin with breathing air quality and spark-free, sealed, marine quality variable speed motors and controllers.
Compressor
Single Head Direct Drive compressor and sealed Stainless Steel Compressor Bearings with Breathing-Air/Oxygen compatible grease is the hallmark of our proprietary diver-specific compressor. The complete main bearing and eccentric crank assembly are machined from high-quality stainless steel. Even our reed-valves are made in America by a very precise etching method and are pure high-grade stainless.
Power
Battery for this package is NOT provided. A 24 v battery source is required to operate the compressor.
Performance
2 divers to 65’, 3 divers to 35’
Run Time
Run time determined by your battery selection.
Weight & Dimensions
24 LB – Compressor 13″ L x 9″ W x 15.5 “H
The BOS 2
For proper weight distribution and ease of placement, Motor/Compressor and Battery modules are individually mounted on King Starboard with pre-drilled holes. Modules snap together with Anderson fittings.
The BOS 2: Key Features
Motor
All BIAS systems begin with air quality and spark-free, sealed, marine quality variable speed motors and controllers.
Compressor
Single head Direct Drive compressor and stainless Steel Compressor Bearings with Breathing-Air/Oxygen compatible grease is the hallmark of our proprietary diver-specific compressor. The complete main bearing and eccentric crank assembly are machined from high-quality stainless steel. Even our reed-valves are made in America by a very precise etching method and are pure high-grade stainless.
Power
Battery pack included. (2 ea) 12v RELION Lithium Iron Phosphate batteries with a waterproof (IP68) high efficiency DC/DC charging system that takes 12v input and charges the 24v battery pack module.
Performance
2 divers to 65’, 3 divers to 35’
Run Time
2-3 hours fully charged
Weight & Dimensions
Compressor 13L x 9W x 15.5H – 24 LB; Battery Pack: 12.5L x 10.5W x 11.5H – 35 LB
The BOS 3
For the longer dive, The BOS 3 operates off of (2) Odyssey PC1500 batteries and recharges in approximately 6 hours off of the boats power source. Modular components allow for easy placement and even weight distribution throughout your vessel.
The BOS 3: Key Features
Motor
All BIAS systems begin with breathing air quality and spark-free, sealed, marine quality variable speed motors and controllers.
Compressor
Single head Direct Drive compressor and sealed stainless Steel Compressor Bearings with Breathing-Air/Oxygen compatible grease is the hallmark of our proprietary diver-specific compressor. The complete main bearing and eccentric crank assembly are machined from high-quality stainless steel. Even our reed-valves are made in America by a very precise etching method and are pure high-grade stainless.
Power
Battery pack included. (2 each) 12v ODYSSEY PC1500 batteries with a waterproof (IP68) high efficiency DC/DC charging system that takes 12v input and charges the 24v battery pack module.
Performance
2 divers to 65’, 3 divers to 35’
Run Time
3.5-4 hours fully charged.
Weight & Dimensions
Compressor 13″ L x 9″ W x 15.5″ H – 24 LB; Battery Pack 17″ x 14″ x 17″ -48 LB
Continuous Power
AC – 110 / 220 AND 60 / 50 Hz Available
The Express Diver 2 & 3’s motor/compressor is mounted on a King starboard base with pre-drilled holes for an easy installation. Comes with 2.5 gal aluminum accumulator tank which ensures your divers have a full, effortless breathe of air every time even if drawing air at the exact time as their other fellow divers. All of the components connect easily together with our patented QRS fittings.
OEM: CAD Drawings available upon request. Please send us an email request.
BIAS System Layout
Finishing Touches
Every Built In Air System Should Have
Thru Hull Outlet – Basic
Level Winding E-Reel
SS Hawse
Fresh Air Intake
Keep your compressor quietly and neatly tucked away while drawing fresh air from the surface or an air conditioned cabin. Below are your options.
Fresh Air Intake
Keep your compressor quietly and neatly tucked away while drawing fresh air from the surface or an air conditioned cabin. Below are your options.
Fresh Air Intake – Clam Shell
Fresh Air Intake – Socket with Dive Flag
Fresh Air Intake – Socket
New Build or Refit Support
From the conception of a new boat to a refit of a “new to you” boat, Brownie’s THIRD LUNG™ can help achieve your dream dive boat.
Our support includes:
- CAD Foundation plans available for each system.
- Our Brownie’s THIRD LUNG™ engineers will work directly with your boat builder to ensure desired placement of components are secured.
Customized configurations specific to your boats design. - Create your own personalized “Dive Boat.”
- Add value to your boat with specialized OEM equipment.
- Manufacturer Warranty.
B.I.A.S. Foundation Plan
B.I.A.S. Foundation Plan
Mounting Base Plate
The system comes with a 0.75” King Starboard TM base plate with 4 pre-drilled mounting holes.
Use the 4 pre-drilled holes in the base plate to securely mount the unit.
The unit should not be operated if each bolt is not properly fastened to the vessel.
1⁄4 – 20 Machine Screw Recommended
Mounting Location
The installation area should be dry and well ventilated. If breathable air is not available while the compressor is running, Brownie’s recommends running a fresh air intake to a clean air source.
Electrical Wiring
The unit has a Red (+) and Black (-) cable coming from the Sterling Battery to Battery charger. The person installing the unit must connect these wires directly to the boats house batteries. The unit also has a smaller black and yellow cable used for the optional explanation of both systems can be found in the user manual.
Adding cable:
Less than 5ft – 4 Gauge
Greater than 5ft – 2 Gauge
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The Sea LiOn™ is the first in its class and leader in:
Innovation in lithium-ion battery technology has advanced to the point where Brownie’s THIRD LUNG™ could modify its current system to adopt the lighter, more powerful lithium-ion batteries.
1. Long Lasting Battery
ANY battery-powered diving system that supports 3 divers up to 3 hours
2. Speed Technology
Variable Speed Technology (VS) that responds to diver breathing demands
3. Supports 3 Divers!
ANY Battery-powered system that supports 3 divers!
4. Supports 4 Divers!
ANY Battery-powered system that supports 4 divers!