View Full Version : outboard or inboard????????
conco46
23-07-2013, 07:46 PM
just sold me boat and after I build me house im thinking of getting a whittley, what I want to know is whats the pros and con between the 2.
are the inboard (petrol) thirsty compared to an 4 stroke outboard? (over 200hp
what gets to a plan quicker ?
are the inboards fumey?
are they as quite as an outboard?
there must be something good about the inboards cause they keep making them?
im looking for the best fuel economy, and the most quite
any advice ?
cheers
tassjo
23-07-2013, 08:04 PM
my current boat has a 220mpi mercruiser,no fumes at all .they are heavier than a outboard but the weight is further forward.You do loose some floor space from the engine cover aswell.A few of my mates have current model outboards great on fuel and are quiet,my boat only came with a inboard
conco46
23-07-2013, 08:10 PM
if you could choose what whould you prefer, wen you compare yours to your mates?
my current boat has a 220mpi mercruiser,no fumes at all .they are heavier than a outboard but the weight is further forward.You do loose some floor space from the engine cover aswell.A few of my mates have current model outboards great on fuel and are quiet,my boat only came with a inboard
Noelm
23-07-2013, 08:10 PM
Outboard every time, so many positives over an inboard stern drive
tassjo
23-07-2013, 08:26 PM
If my current boat was supplied with a option I would go with the outboard only for the space.My next boat will be a cruiser style boat only inboard will do, as you can not beat cubic inches to move a large mass and engine will be under the floor.A mate of mine years ago had a whittley cruisemaster 7.0 with a 350mag in it .This boat was great even off shore but was thirsty
I have a 260hp MPI seacore Bravo2 Mercruiser in my boat. I think its a good motor and suits my boat.
I have a few mates with big outboards on there boats.
I think the positives of an inboard are
1: lower center of gravity
2:fuel consumption is probably a little better. ( mine uses 72l/hr at wot )
I think the positives of a big 4 stroke outboard are
1:more room inside the boat
2:quieter
3:less maintenance (no manifolds / risers etc )
4: The bottom of the skeg tilts up higher than the bottom of the boat. ( good if you sit your boat down on sand )
Im sure I could think of some more positives for outboards.
So to answer your question I would go 4 stroke outboard
Cheers Brett
morphias
24-07-2013, 09:44 AM
I would go outboard if it was an option. Little to no difference in cubes up to 350HP. Lighter, doesn't take up cockpit room, easier to maintain, no risers and you can get the leg out of the water if you keep it on a mooring or pontoon.
If I was to go another boat with inboard/sterndrive again, I would go diesel. Generally lighter, heaps more toque so you can run much bigger props and the diesels are WAY more fuel efficient.
Here are some interesting reads on repowers from petrol inboard to diesel:
http://www.boatpoint.com.au/news/2013/mercury-diesel-tdi-repower-36552 (http://www.boatpoint.com.au/news/2013/mercury-diesel-tdi-repower-36552)
http://www.tradeaboat.com.au/news-and-reviews/article/articleid/81273.aspx (http://www.tradeaboat.com.au/news-and-reviews/article/articleid/81273.aspx)
Coxy out....
conco46
24-07-2013, 07:10 PM
true
cheers
I have a 260hp MPI seacore Bravo2 Mercruiser in my boat. I think its a good motor and suits my boat.
I have a few mates with big outboards on there boats.
I think the positives of an inboard are
1: lower center of gravity
2:fuel consumption is probably a little better. ( mine uses 72l/hr at wot )
I think the positives of a big 4 stroke outboard are
1:more room inside the boat
2:quieter
3:less maintenance (no manifolds / risers etc )
4: The bottom of the skeg tilts up higher than the bottom of the boat. ( good if you sit your boat down on sand )
Im sure I could think of some more positives for outboards.
So to answer your question I would go 4 stroke outboard
Cheers Brett
Floating Rib
24-07-2013, 07:41 PM
agree with morphias above, Turbo diesels seem to be a good thing.
MEG-A-BITE
24-07-2013, 07:50 PM
I had a whitely sea legend 630 with a merc cruiser 210hp MPI.Good motor not all that bad on fuel.I had no issues with it but did have to change the risers.Bull mentioned most of the pros and cons.Starter motors are also a problem as they don't last and are a bitch to change.I now have an outboard and prefer it to the inboard.
Triple
24-07-2013, 08:15 PM
;)
best of both..
http://www.youtube.com/watch?v=-MUeWgGATSM
http://www.youtube.com/watch?v=-MUeWgGATSM
Triple
24-07-2013, 08:24 PM
And if fuel costs are an issue -
A 300hp version is available..
94939
http://regennautic.com/products/e200-outboard/
(but dont look at the price or think about how long it takes to charge for how far it can go)
conco46
26-07-2013, 06:37 PM
the charter boats iv been on that have diesel inboards were real fumey
agree with morphias above, Turbo diesels seem to be a good thing.
ozscott
26-07-2013, 07:24 PM
A 350 magnum new is quite loud when over 1500 rpm or so.
Cheers
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