You're the experts - Suggestions on Diesel Go-Fast...
#71
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Joined: Feb 2005
Posts: 9,373
Likes: 1
From: Arlington Tx
Part of what you are saying is true..but factor in weight/size to power/torque ratio and the Yanmar just works....physics... and it works reliably on numerous Nor-Tech boats...that is why they use them....call backs in the marine or any business need to be at a minimum. My 43 Nor-tech weight is more than Jays new boat and the boat hit 74.6. This is not a hi tech bottom either with multiple steps..The same set up in Adib Mastry's 39 Nor-Tech boat..(owner of Yanmar in Sarasota)...did 80 gps and I believe high 81's on radar. My deal is.. if it aint broke..leave it the heck alone.. heres a video of that Yanmar boat..click the silver boat w/red strip..39 11,000. Nor-Tech
http://www.nor-techboats.com/videos.php
http://www.nor-techboats.com/videos.php
Last edited by Catmando; 09-01-2009 at 03:00 PM.
#73
I spoke with some guys this morning in Norway that are doing the Duramax diesels, 3600 rpm 580 hp and they say they are great? Not from Gale Banks though
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Arneson Surface Drives www.arneson-industries.com
Arneson Surface Drives www.arneson-industries.com
Last edited by Rik; 09-01-2009 at 05:43 PM.
#74
Registered User
Joined: Feb 2008
Posts: 610
Likes: 1
From: West edge of the Pacific
#75
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Joined: Mar 2008
Posts: 21
Likes: 0
blacklabmarine,
You might want to take a look at what this company is doing. I am assuming that this is the type of boat you would be building.
http://www.dockstavarvet.se
Their Combat Boat 90 H is used in the youtube video of German cops chasing greenpeace at a G8 summit. If this is along the lines of what you are trying to do pay particular attention to their numbers. With 1,600 hp and waterjet drives they are getting 50mph. This boat is longer than what you propose by 6 feet and probably has a little more beam.
They also have the Interceptor Craft 11 M which is about 5' shorter than what you are trying to do, but right in the weight range you mentioned (assuming they are actually using tons and not tonnes for weight measurement). With 1,000 hp and waterjets they aren't even breaking 50mph.
Working from the numbers on these boats I think you may need 2,000+ hp to get to the speeds you want, especially in a fully loaded boat.
You might want to take a look at what this company is doing. I am assuming that this is the type of boat you would be building.
http://www.dockstavarvet.se
Their Combat Boat 90 H is used in the youtube video of German cops chasing greenpeace at a G8 summit. If this is along the lines of what you are trying to do pay particular attention to their numbers. With 1,600 hp and waterjet drives they are getting 50mph. This boat is longer than what you propose by 6 feet and probably has a little more beam.
They also have the Interceptor Craft 11 M which is about 5' shorter than what you are trying to do, but right in the weight range you mentioned (assuming they are actually using tons and not tonnes for weight measurement). With 1,000 hp and waterjets they aren't even breaking 50mph.
Working from the numbers on these boats I think you may need 2,000+ hp to get to the speeds you want, especially in a fully loaded boat.
Last edited by goof2; 09-03-2009 at 10:47 AM. Reason: Somehow posted before I finished writing
#76
They ask for more time to test the propellers but ? Call them and give them anこんにちは
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Arneson Surface Drives www.arneson-industries.com
Arneson Surface Drives www.arneson-industries.com
#78
FOund this in an email I just got. might give you some more ideas
http://machinedesign.com/article/118...ower-boat-0616
Here's the specs
Tech Specs
Length (at waterline) 100 ft
Beam 29.5 ft
Draught 4.5 ft
Displacement (half load) 95 tons
Cruising speed 60 kn
Engines Three gas turbines for 16,800 hp
Auxiliary power Two Cummins diesels for 740 hp
Range @ cruise 380 nm
Range @ 9 knots 1,500 nm
Fuel consumption @60 knots 15 gallons/nm
Fuel capacity 5,812 gallons
Fresh-water capacity 317 gallons
Water making Idromat MC-105 makes 79 gallons/hr
Generators Two 33-kW Kohler units generate 380 V @ 50 Hz
Navigation aids Autopilot, GPS, Satcom, Depth-sounder, wind instruments, radar, gyrocompass
Entertainment Hi-fi radio, three 15-in. LCD TVs, three 20-in. LCD TVs
Accommodations Six guests/Six crew
Tender 15-ft inflatable with 40-hp engine
http://machinedesign.com/article/118...ower-boat-0616
Here's the specs
Tech Specs
Length (at waterline) 100 ft
Beam 29.5 ft
Draught 4.5 ft
Displacement (half load) 95 tons
Cruising speed 60 kn
Engines Three gas turbines for 16,800 hp
Auxiliary power Two Cummins diesels for 740 hp
Range @ cruise 380 nm
Range @ 9 knots 1,500 nm
Fuel consumption @60 knots 15 gallons/nm
Fuel capacity 5,812 gallons
Fresh-water capacity 317 gallons
Water making Idromat MC-105 makes 79 gallons/hr
Generators Two 33-kW Kohler units generate 380 V @ 50 Hz
Navigation aids Autopilot, GPS, Satcom, Depth-sounder, wind instruments, radar, gyrocompass
Entertainment Hi-fi radio, three 15-in. LCD TVs, three 20-in. LCD TVs
Accommodations Six guests/Six crew
Tender 15-ft inflatable with 40-hp engine
#80





