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#11
posted to rec.boats
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300 hp Diesel Outboard
On Tue, 31 Dec 2019 14:02:49 -0500, Wayne.B wrote:
On Tue, 31 Dec 2019 12:40:38 -0500, John H. wrote: On Tue, 31 Dec 2019 11:18:28 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 01:08:38 -0500, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. === True, but 300 hp gas outboards are not exactly feather weight either. I think the biggest issues right now are parts and dealer support. The Yamaha 300 is about 550 lbs, and the Cox diesel is about 825 lbs. A bit heavier for sure. === Yes, but not really a deal breaker in my opinion. Consider that each of my 300hp DD 6-71's weighs over 3,000 pounds, and a more modern Cummins or Cat weighs well over 1,100 pounds plus transmission and drive train. Absolutely. Given the other specs that extra weight wouldn't be a deal breaker, if one had the bucks at about twice the cost of the Yamaha 300. |
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#12
posted to rec.boats
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300 hp Diesel Outboard
On Tue, 31 Dec 2019 10:04:38 -0500, Keyser Soze
wrote: On 12/31/19 1:08 AM, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. I'd bet between 800 and 900 pounds...just what you need for your pontoon boat! The whole damned boat doesn't weigh much more than that rigged, equipped and wet. |
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#13
posted to rec.boats
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300 hp Diesel Outboard
On Tue, 31 Dec 2019 11:18:28 -0500, Wayne.B
wrote: On Tue, 31 Dec 2019 01:08:38 -0500, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. === True, but 300 hp gas outboards are not exactly feather weight either. I think the biggest issues right now are parts and dealer support. Yamaha is 551/562 pounds depending on shaft length. |
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#14
posted to rec.boats
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300 hp Diesel Outboard
On Tue, 31 Dec 2019 14:02:49 -0500, Wayne.B
wrote: On Tue, 31 Dec 2019 12:40:38 -0500, John H. wrote: On Tue, 31 Dec 2019 11:18:28 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 01:08:38 -0500, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. === True, but 300 hp gas outboards are not exactly feather weight either. I think the biggest issues right now are parts and dealer support. The Yamaha 300 is about 550 lbs, and the Cox diesel is about 825 lbs. A bit heavier for sure. === Yes, but not really a deal breaker in my opinion. Consider that each of my 300hp DD 6-71's weighs over 3,000 pounds, and a more modern Cummins or Cat weighs well over 1,100 pounds plus transmission and drive train. They are not hanging out over the stern tho and your trawler is not exactly a speed demon |
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#15
posted to rec.boats
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300 hp Diesel Outboard
On Tue, 31 Dec 2019 14:28:08 -0500, John H. wrote: On Tue, 31 Dec 2019 14:02:49 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 12:40:38 -0500, John H. wrote: On Tue, 31 Dec 2019 11:18:28 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 01:08:38 -0500, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. === True, but 300 hp gas outboards are not exactly feather weight either. I think the biggest issues right now are parts and dealer support. The Yamaha 300 is about 550 lbs, and the Cox diesel is about 825 lbs. A bit heavier for sure. === Yes, but not really a deal breaker in my opinion. Consider that each of my 300hp DD 6-71's weighs over 3,000 pounds, and a more modern Cummins or Cat weighs well over 1,100 pounds plus transmission and drive train. Absolutely. Given the other specs that extra weight wouldn't be a deal breaker, if one had the bucks at about twice the cost of the Yamaha 300. As I said it is a niche product, probably for barge pushers and that rare "tender" for a diesel yacht that has a 300 HP motor or two and they don't want a separate fuel supply. I am not sure it will be that attractive for "go fast" center consoles. I do notice that they are hanging outboards on bigger cruising boats like the 42' Freeman Jimmy Buffett just bought. That might be a good fit. |
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#17
posted to rec.boats
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300 hp Diesel Outboard
On Tue, 31 Dec 2019 18:05:18 -0500, Keyser Soze
wrote: On 12/31/19 4:55 PM, wrote: On Tue, 31 Dec 2019 14:28:08 -0500, John H. wrote: On Tue, 31 Dec 2019 14:02:49 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 12:40:38 -0500, John H. wrote: On Tue, 31 Dec 2019 11:18:28 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 01:08:38 -0500, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. === True, but 300 hp gas outboards are not exactly feather weight either. I think the biggest issues right now are parts and dealer support. The Yamaha 300 is about 550 lbs, and the Cox diesel is about 825 lbs. A bit heavier for sure. === Yes, but not really a deal breaker in my opinion. Consider that each of my 300hp DD 6-71's weighs over 3,000 pounds, and a more modern Cummins or Cat weighs well over 1,100 pounds plus transmission and drive train. Absolutely. Given the other specs that extra weight wouldn't be a deal breaker, if one had the bucks at about twice the cost of the Yamaha 300. As I said it is a niche product, probably for barge pushers and that rare "tender" for a diesel yacht that has a 300 HP motor or two and they don't want a separate fuel supply. I am not sure it will be that attractive for "go fast" center consoles. I do notice that they are hanging outboards on bigger cruising boats like the 42' Freeman Jimmy Buffett just bought. That might be a good fit. Four 350 hp four cycle gas engines will weigh what, 2000 pounds for 1400 hp? And four of those 800+ pound diesels for 1200 hp will weigh 3200 pounds? That Margaritavilla boat would have to be redesigned, I would think, to sling that much weight on its butt, and it wouldn't be as fast. Plus, the guys running four huge outboards on a go-fast fishing boat probably don't give a damn about fuel burn. === The main reason to consider diesels is fuel range - about double with the same tankage. Our old Bertram 33 burned 2 gallons a mile with it's twin 350 hp Crusader gas inboards. Even with a 325 gallon tank its effective range was under 150 miles. The cost estimates for converting to diesel were close to $100K and that was 20 years ago. By converting to outboards, the Crusaders could have been replaced with another 300 to 400 gallons of fuel tankage which would have given the boat a very respectable range in excess of 500 miles. With that kind of range and fuel economy I would have taken the Bertram to Florida instead of selling it. |
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#18
posted to rec.boats
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300 hp Diesel Outboard
On Tuesday, December 31, 2019 at 6:05:21 PM UTC-5, Keyser Soze wrote:
On 12/31/19 4:55 PM, wrote: On Tue, 31 Dec 2019 14:28:08 -0500, John H. wrote: On Tue, 31 Dec 2019 14:02:49 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 12:40:38 -0500, John H. wrote: On Tue, 31 Dec 2019 11:18:28 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 01:08:38 -0500, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. === True, but 300 hp gas outboards are not exactly feather weight either. I think the biggest issues right now are parts and dealer support. The Yamaha 300 is about 550 lbs, and the Cox diesel is about 825 lbs. A bit heavier for sure. === Yes, but not really a deal breaker in my opinion. Consider that each of my 300hp DD 6-71's weighs over 3,000 pounds, and a more modern Cummins or Cat weighs well over 1,100 pounds plus transmission and drive train. Absolutely. Given the other specs that extra weight wouldn't be a deal breaker, if one had the bucks at about twice the cost of the Yamaha 300. As I said it is a niche product, probably for barge pushers and that rare "tender" for a diesel yacht that has a 300 HP motor or two and they don't want a separate fuel supply. I am not sure it will be that attractive for "go fast" center consoles. I do notice that they are hanging outboards on bigger cruising boats like the 42' Freeman Jimmy Buffett just bought. That might be a good fit. Four 350 hp four cycle gas engines will weigh what, 2000 pounds for 1400 hp? And four of those 800+ pound diesels for 1200 hp will weigh 3200 pounds? That Margaritavilla boat would have to be redesigned, I would think, to sling that much weight on its butt, and it wouldn't be as fast. Plus, the guys running four huge outboards on a go-fast fishing boat probably don't give a damn about fuel burn. A Yamaha 350 outboard weighs 763 lbs dry. You may want to break your calculator back out. |
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#19
posted to rec.boats
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300 hp Diesel Outboard
Tim wrote:
John H - show quoted text - The Yamaha 300 is about 550 lbs, and the Cox diesel is about 825 lbs. A bit heavier for sure. —-/ And my old 115 Mercury 2-smoker is about 300# Quite a difference The 8.2L engine on one of my boats weighs only 573#. |
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#20
posted to rec.boats
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300 hp Diesel Outboard
Wayne.B wrote:
On Tue, 31 Dec 2019 12:40:38 -0500, John H. wrote: On Tue, 31 Dec 2019 11:18:28 -0500, Wayne.B wrote: On Tue, 31 Dec 2019 01:08:38 -0500, wrote: On Mon, 30 Dec 2019 19:16:55 -0800 (PST), Tim wrote: On Monday, December 30, 2019 at 5:07:10 PM UTC-6, Wayne.B wrote: Coming soon to a boat near you: https://www.powerandmotoryacht.com/video/testing-cox-cxo300-diesel-outboards man, those things are monsters... https://www.youtube.com/watch?v=eXyzNdrMrik Looks like a niche product to me. They are big heavy honkers. === True, but 300 hp gas outboards are not exactly feather weight either. I think the biggest issues right now are parts and dealer support. The Yamaha 300 is about 550 lbs, and the Cox diesel is about 825 lbs. A bit heavier for sure. === Yes, but not really a deal breaker in my opinion. Consider that each of my 300hp DD 6-71's weighs over 3,000 pounds, and a more modern Cummins or Cat weighs well over 1,100 pounds plus transmission and drive train. The 245hp TDI in Audi and VW is about 350#. My 455hp 2019 Duramax is about 850#. So looks like 300hp is not required to be super heavy. |
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