Mercury V12 600hp Verado Outboard Engine

I run a Parker 750cc c/w Verado 300hp at 27 to 30kn we burn 50lph. Would never go back to a diesel sterndrive had 4 of them all money pits. We top out at 42kn but the fuel burn is 110lph.
 

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cstewart37 said:
I run a Parker 750cc c/w Verado 300hp at 27 to 30kn we burn 50lph. Would never go back to a diesel sterndrive had 4 of them all money pits. We top out at 42kn but the fuel burn is 110lph.
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Lovely looking set up there. How you get on with the 4 blade ? Looks like a big Rev 4 or similar ? I usually run a tempest or an enertia on the boats. Great props.
 
cstewart37 said:
I run a Parker 750cc c/w Verado 300hp at 27 to 30kn we burn 50lph. Would never go back to a diesel sterndrive had 4 of them all money pits. We top out at 42kn but the fuel burn is 110lph.
Click to expand...
Most say the same after knowing what these things are like now. So good.
big diesels have their place, no doubt. But things have come on so much with outboards now. Recently learned sealine and fairline now have a big outboard powered option.
 
cstewart37 said:
Prop is a Rev4 great for our use. Having the 5 year warranty is fantastic & service cost are low as well.
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Agree. I just got new trim shuttle valves and a smart craft gauge that had lcd issues, replaced under warranty last year. So easy to service too.
 
QBhoy said:
Agree with many of the points you in particular made. But I suppose, I’m sure I said “as efficient” like for like or not even viable in some cases. As you say...there isn’t a diesel equivalent that would do what the mpi in the Chase will do...or what the outboard on the fletcher will do.
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I suppose it totally depends on what you mean by "as efficient"........

There IS a diesel that would do what the MPi would do in the chase - fit a D4 - 260hp from VP in it, gear and prop it right and it will still do the same top speed (maybe even more) - but holeshot will be slower - and obviously the original cost would have been MASSIVELY more - so, you can totally make the argument there that although it's not as "efficient" the petrol MPi is the correct choice for that boat, and I doubt many will argue.

All these 20' cuddy cruisers are totally suited to Outboards - it's what they were made for. Add in cheaper servicing and the fact they probably do about 30-40 hours a year as they don't go far, plus much of that will be water sports (short bursts of high speed, much trolling speed whilst picking up the skier etc) and again the modern outboard is just a no-brainer for them.....

I fear where everyone got to cross purposes was the use of the word "efficient".

I think also that these 600hp monster outboards (whilst technically impressive) are just pointless other than for the cheap fuel countries - so I bet they will sell in US (sell well? Well we will see) Dubai, anywhere where fuel is cheap.... Elsewhere, I can't see them being very important for anyone!
 
QBhoy said:
Most say the same after knowing what these things are like now. So good.
big diesels have their place, no doubt. But things have come on so much with outboards now. Recently learned sealine and fairline now have a big outboard powered option.
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They do - Sealine and Cranchi in some quite big boats - but aimed at the Med users I think not UK.

Saying that - once diesel is white on the marina, I can see it shifting more to O/B power.
 
ontheplane said:
I suppose it totally depends on what you mean by "as efficient"........

There IS a diesel that would do what the MPi would do in the chase - fit a D4 - 260hp from VP in it, gear and prop it right and it will still do the same top speed (maybe even more) - but holeshot will be slower - and obviously the original cost would have been MASSIVELY more - so, you can totally make the argument there that although it's not as "efficient" the petrol MPi is the correct choice for that boat, and I doubt many will argue.

All these 20' cuddy cruisers are totally suited to Outboards - it's what they were made for. Add in cheaper servicing and the fact they probably do about 30-40 hours a year as they don't go far, plus much of that will be water sports (short bursts of high speed, much trolling speed whilst picking up the skier etc) and again the modern outboard is just a no-brainer for them.....

I fear where everyone got to cross purposes was the use of the word "efficient".

I think also that these 600hp monster outboards (whilst technically impressive) are just pointless other than for the cheap fuel countries - so I bet they will sell in US (sell well? Well we will see) Dubai, anywhere where fuel is cheap.... Elsewhere, I can't see them being very important for anyone!
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On the fletcher, most of them were inboards from 135hp to 220hp GM units. The outboard version is a fair bit rarer and rated up to 135hp in that Set up.
A Diesel in the Chase probably wouldn’t be an option in 2003 to do the same thing. Added to that, the sound from the Corsa marine side exits just wouldn’t be the same for sure.
 
ontheplane said:
I suppose it totally depends on what you mean by "as efficient"........

There IS a diesel that would do what the MPi would do in the chase - fit a D4 - 260hp from VP in it, gear and prop it right and it will still do the same top speed (maybe even more) - but holeshot will be slower - and obviously the original cost would have been MASSIVELY more - so, you can totally make the argument there that although it's not as "efficient" the petrol MPi is the correct choice for that boat, and I doubt many will argue.

All these 20' cuddy cruisers are totally suited to Outboards - it's what they were made for. Add in cheaper servicing and the fact they probably do about 30-40 hours a year as they don't go far, plus much of that will be water sports (short bursts of high speed, much trolling speed whilst picking up the skier etc) and again the modern outboard is just a no-brainer for them.....

I fear where everyone got to cross purposes was the use of the word "efficient".

I think also that these 600hp monster outboards (whilst technically impressive) are just pointless other than for the cheap fuel countries - so I bet they will sell in US (sell well? Well we will see) Dubai, anywhere where fuel is cheap.... Elsewhere, I can't see them being very important for anyone!
Click to expand...

We use our boat well ( not last year ) done Kip marina on the Clyde to Rathlin then on to Isle of Mann & back to Kip. Also done Kip to Ballycastle for breakfast, a beer on Rathlin then back to Kip one cold day in October in the Parker. Parker 750cc is a very deep V hull fantastic sea boat & I have done round UK & Ireland & been over to France by RIB ( sterndrive diesels ).
 
QBhoy said:
Most say the same after knowing what these things are like now. So good.
big diesels have their place, no doubt. But things have come on so much with outboards now. Recently learned sealine and fairline now have a big outboard powered option.
Click to expand...

They do, as do many other builders. The problem is that anything over around 25ft really requires two big outboards, and then the fuel bill gets horrendous. (see my post earlier in the thread) Outboards have their place and anything up to a single 250, or maybe a 300, is bearable as long as you have easy access to the fuel and it suits your style of boating. I would never get a boat with big twin outboards as I like to go reasonably long distance cruising, and the fuel bill would ruin me. It's diesels or a sailing boat for me.
 
madabouttheboat said:
They do, as do many other builders. The problem is that anything over around 25ft really requires two big outboards, and then the fuel bill gets horrendous. (see my post earlier in the thread) Outboards have their place and anything up to a single 250, or maybe a 300, is bearable as long as you have easy access to the fuel and it suits your style of boating. I would never get a boat with big twin outboards as I like to go reasonably long distance cruising, and the fuel bill would ruin me. It's diesels or a sailing boat for me.
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Is it yourself that has the YouTube channel with a boat called Luna or similar ?
 
cstewart37 said:
We use our boat well ( not last year ) done Kip marina on the Clyde to Rathlin then on to Isle of Mann & back to Kip. Also done Kip to Ballycastle for breakfast, a beer on Rathlin then back to Kip one cold day in October in the Parker. Parker 750cc is a very deep V hull fantastic sea boat & I have done round UK & Ireland & been over to France by RIB ( sterndrive diesels ).
Click to expand...
Lovely. Familiar with that very area myself. The princess is kept at the holy loch in summer. Hoping to get a wee run round bute this year in the fletcher too. Throw it into the holy loch for a weekend and use the princess as a base for cheap day sails with the fletcher. The fletcher holds around 70-80 litres of fuel in her tank. Should give us a decent range cruising with safety margin.
 
madabouttheboat said:
No that's not me.
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No worries. What boat do you have now, out of interest ? Always keen to hear from others and their boats...along the lines of real world experience. Always better to hear from the guys who have real world experience to share, over the internet. I’m just a total boat guy through and through really. Likely similar to yourself. Keen to hear what you have and how you find things. Any sort of boat is of interest to me really.
 
QBhoy said:
Lovely. Familiar with that very area myself. The princess is kept at the holy loch in summer. Hoping to get a wee run round bute this year in the fletcher too. Throw it into the holy loch for a weekend and use the princess as a base for cheap day sails with the fletcher. The fletcher holds around 70-80 litres of fuel in her tank. Should give us a decent range cruising with safety margin.
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We go to Holly Loch for petrol or bring it down in cans no big problem for us. If this lockdown is over be nice to meet for a beer & run out in the boats this summer. ?
 
cstewart37 said:
I run a Parker 750cc c/w Verado 300hp at 27 to 30kn we burn 50lph. Would never go back to a diesel sterndrive had 4 of them all money pits. We top out at 42kn but the fuel burn is 110lph.
Click to expand...

Makes perfect sense to me. This size boat is ideal for an outboard. Once you get to 9m or so or want much more range diesel comes into its own. for example looks like your boat would have a range of about 100NM at cruise.

i think the debate where the rise of the outboard is pretty dodgy is the 40 foot plus class.
madabouttheboat said:
They do, as do many other builders. The problem is that anything over around 25ft really requires two big outboards, and then the fuel bill gets horrendous. (see my post earlier in the thread) Outboards have their place and anything up to a single 250, or maybe a 300, is bearable as long as you have easy access to the fuel and it suits your style of boating. I would never get a boat with big twin outboards as I like to go reasonably long distance cruising, and the fuel bill would ruin me. It's diesels or a sailing boat for me.
Click to expand...
Exactly. Cruising range can be an issue. The Parker 750 mentioned above has a range of around 100 NM at cruise, I prefer at least 220NM so I can do a cruise without needing to refuel where it is often pricier than my home base.
 
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Whippersnapper said:
Makes perfect sense to me. This size boat is ideal for an outboard. Once you get to 9m or so or want much more range diesel comes into its own. for example looks like your boat would have a range of about 100NM at cruise.

i think the debate where the rise of the outboard is pretty dodgy is the 40 foot plus class.

Exactly. Cruising range can be an issue. The Parker 750 mentioned above has a range of around 100 NM at cruise, I prefer at least 220NM so I can do a cruise without needing to refuel where it is often pricier than my home base.
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We have a main tank with 230ltrs & 6x 25ltr cans 380 total divide by 1.7ltr per mile = 223.53 miles :-0
 
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