INBOARDS V OUTBOARDS
The Independent Facts
Silver Tiger Builds both Inboard Diesel & Four Stroke Outboard driven Powercats. We keep no allegiance to any manufacturer however we will recommend what we believe is the best solution for your requirements.
Many people are curious about the fuel consumption on the Outboard Driven Powercats believing that they are too expensive to run. What follows is the result of independent testing of identical boats, one Diesel & one Four Stroke Outboards.
Keep in mind that the fuel consumption on a Powercat is better than that of a Monohull. Your fuel bill is only around 5% of the total cost of owning a boat.
After testing two identical hulls (9.75m twin Honda 150 Hp & 9.5m twin Volvo D3 160 Hp) we have found the following.
The Outboard boat burns 2 liters per nautical mile at 20 knots.
At present NZ fuel costs this is $2.80 per nautical mile
At present AUS fuel costs this is $2.40 per nautical mile
The Diesel boat burns 2 liters per nautical mile at 20 knots.
At present NZ fuel costs this is $2.00 per nautical mile
At present AUS fuel costs this is $ 2.50 per nautical mile
When you calculate the difference in cost between installing the Outboards vs. Diesels, the price differential is $40000.
This means that the boat will have to run 5750 hours before the cost between the outboards & Inboards becomes the same with NZ fuel costs. In
Therefore contrary to popular opinion, four stroke outboards are definitely cheaper to run than inboard diesels
On the following pages you will see the speed & fuel burn graphs. The testing was carried out by an independent company, Diesel Fuel Evaluations Ltd In July 2005.
Good to hear some feedback lads - thanks. Greg - 660HT with all the fruit (and no trailer) - should be 110k. The one on the yard at Millers has a list price of 112 - i think this has most options and includes the trailer.
Bender wrote: Three people I know have purchased boats with Mercruisers. They now share similar sentiments i.e. "never again." |
There is definitely enough info here for me to say that I an't ever gonna get a Mercruiser inboard!
The outboard vs diesel comparison is really interesting too. On my imaginery dreamboat which is a large Whitepointer, I always imagined that it would be diesel powered. Economics aside, most still agree that diesels pull more game fish eh?
The Blue Meanie wrote: There is definitely enough info here for me to say that I an't ever gonna get a Mercruiser inboard! The outboard vs diesel comparison is really interesting too. On my imaginery dreamboat which is a large Whitepointer, I always imagined that it would be diesel powered. Economics aside, most still agree that diesels pull more game fish eh? |
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