Home Products News R&D Contact Us
       
Bollard Pull Test Results & Comparisons
(Open Propeller)  (NautiCAN Nozzle)  (Kort Nozzle)

Vessel

Propeller 

Screws

 Power  Trial  Bollard  Specific  Bollard

Tested by

 Astern  Astern 

Designed for

type

Dia. (in)

 BHP Speed (kn) Pull (lb) Pull (lb/BHP) Efficiency

Pull (lb)

 Efficiency
Lorain Open 3-Bld

120.00

1 x 1221

 12.45 32900 26.95 1.00 BC Research*

-

 - DC Electric
Lorain NautiCAN 3-bld

112.00

 1 x 1221 12.90 55540 45.49 1.77 BC Research* - - DC Electric
Rivtow Princess Open 4-bld

91.00

 2 x 988 11.95 43000 21.76 0.91 Wier-Johnes Certified* - - 8 kn towing
Rivtow Princess NautiCAN 4-bld

 76.00

 2 x 988 12.46 61000 30.87 1.45 Wier-Johnes Certified* - - 9 kn towing
Harmac Pine Kort 19a 3-bld  70.25 1 x 835 10.89 20000 23.95 1.12 Owner & NautiCAN - - 2 kn towing
Harmac Pine NautiCAN 3-bld  76.00 1 x 835 11.65 23000 27.54 1.23 Owner & NautiCAN - - 2 kn towing
Barbara Foss Open 5-bld 110.00 2 x 2150 13.95 89900 20.91 1.00 PTL & ABS Certified* 64900 0.72 9 kn towing
Barbara Foss NautiCAN 3-bld 108.00 2 x 2150 13.48 142600 33.16 1.60 PTL & ABS Certified* 103600 1.16 Ship berthing
Gail Bernice Open 4-bld 79.00 1 x 950 - 23685 24.93 1.13 Owner & NautiCAN - - 3 kn dragging
Gail Bernice NautiCAN 4-bld 74.00 1 x 950 - 31750 33.42 1.58 Owner & NautiCAN - - 3 kn dragging
Pacific Charmer NautiCAN CP 4-bld 72.00 1 x 850 10.70 26880 31.62 1.47 Polar Offshore Design* 19800 1.08 Fishing
Pacific Harvester Open 3-bld 68.00 1 x 565 - 14100 24.96 1.05 Owner - - 3 kn dragging
Pacific Harvester NautiCAN 3-bld 58.00 1 x 565 - 18000 31.86 1.49 Owner - - 3 kn dragging
Marwood Open 4-bld 81.00 1 x 660 - 18000 27.27 1.08 Owner & NautiCAN - - 3 kn dragging
Marwood NautiCAN 4-bld 80.00 1 x 660 - 25000 37.88 1.51 Owner & NautiCAN - - 3 kn dragging
San Pedro NautiCAN 3-bld 112.00 1 x 2150 - 77200 35.91 1.69 LA Harbour Safety* - - 6 kn towing
TS-40 Uzmar NautiCAN 3-bld 80.70 2 x 1360 12.20 97000 35.66 1.79 Uzmar - - Ship Berthing
Phillips Foss NautiCAN 3-bld 104.00 2 x 2150 13.50 142000 33.02 1.63 Emerald* - - Ship berthing
Jeffrey Foss NautiCAN 3-bld 104.00 2 x 2150 13.50 140090 32.58 1.61 Diehl Eng-ABS Certified* - - Ship berthing
Daniel Foss Ulstein HP 4-bld 72.00 2 x 1650 - 90000 27.27 1.58 Weir-Jones-ABS Certified* - - Ship berthing
Peter Foss Ulstein HP 4-bld+St 72.00 2 x 1650 - 93000 28.18 1.63 Weir Jones* - - Ship berthing
Delta Linda Aquam Kort 4-bld 94.50 2 x 2200 12.50 120000 27.27 1.45 ABS Certified* - - Ship berthing
New Delta Linda Ulstein HP 4-bld+St 94.50 2 x 2200 13.60 133000 30.23 1.61 ABS Certified* 120500 1.46 Ship berthing
Western Titan Ulstein NH 3-bld+St 100.00 2 x 2260 13.40 141500 31.31 1.62 Diehl Engineering* - - 9 kn towing
Lynn Marie Ulstein 19a 4-bld+St 106.30 2 x 3125 - 169400 27.10 1.50

-

 155000 1.37 Ship berthing
C/S Agile Open CP 4-bld 98.42 2 x 3166 10.50 - - - John Lochhead NA, owner* - - Cable Ship
C/S Agile NautiCAN CP 4-bld 100.00 2 x 3166 12.50 - - - John Lochhead NA, owner* - - Cable Ship
Phyllis Dunlap NautiCAN 3-bld+St 120.00 2 x 2303 15.30 168000 36.47 1.68 ABS Certified* - - 10 kn towing
Phyllis Dunlap NautiCAN 3-bld+St 120.00 2 x 2440 15.30 178000 36.48 1.71 800 RPM overload - - 10 kn towing
Joeseph Sause NautiCAN 4-bld 96.00 2 x 1700 - 114120 33.56 1.62 TNT Laboratories 82190 1.17 Ship berthing
Cape Pasley NautiCAN 4-bld 94.48 2 x 2750 12.70 145500 26.45 1.51 110% rating - - Ship berthing
Rampant 2400 Aquam Kort 4-bld 94.49 2 x 2500 12.50 132276 26.46 1.47 Harbour & Shipping Nov 02 - - Ship berthing
Moana Halo (Foss) Open 5-bld 110.00 2 x 1305 12.50 64400 24.67 1.00 Owner - - 6.5 kn towing
Moana Halo (Foss) NautiCAN 3-bld 108.00 2 x 1314 13.00 101500 38.62 1.58 Owner - - 7 kn towing
* Independently verified

R=Propeller Radii ft
Bollard efficiency is defined as a Measured Thrust / Theoretical Ideal Propeller Thrust where Ideal Thrust =