Comparison to Other Power Systems

		JetPac		Outboard		I/O		I/B	I/B Jet
		Diesel	Gasoline	2 Cycle Jet	4 cycle	Diesel	Gasoline	Prop	2 Cycle Jet	Diesel
Characteristics
Safety		Excellent	Excellent	Poor	Poor	Poor	Poor	Poor	Excellent	Excellent
Reliability		Excellent	Excellent	Acceptable	Acceptable	Poor	Poor	Acceptable	Poor	Acceptable
Performance
	Top speed	Very Good	Very Good	Excellent	Excellent	Excellent	Excellent	Acceptable	Acceptable	Acceptable
	Acceleration	Excellent	Excellent	Very Good	Acceptable	Acceptable	Acceptable	Acceptable	Poor	Very Good
Handling:
	High speed/cruising	Very Good	Very Good	Very Good	Very Good	Very Good	Very Good	Acceptable	Poor	Acceptable
	Low speed/docking	Excellent	Excellent	Poor	Poor	Poor	Poor	Poor	Poor	Poor
	Reverse	Excellent	Excellent	Acceptable	Acceptable	Acceptable	Acceptable	Acceptable	Poor	Very Good
	Stopping	Excellent	Excellent	Poor	Poor	Poor	Poor	Poor	Acceptable	Excellent
Use of space		Excellent	Excellent	Very Good	Very Good	Poor	Poor	Poor	Poor	Poor
Noise levels		Very Good	Very Good	Poor	Acceptable	Acceptable	Acceptable	Poor	Acceptable	Poor
Vibration		Very Good	Very Good	Acceptable	Acceptable	Poor	Poor	Poor	Poor	Poor
Towing		Excellent	Excellent	Acceptable	Poor	Acceptable	Acceptable	Acceptable	Acceptable	Excellent
Heat in boat		Excellent	Excellent	Excellent	Excellent	Poor	Poor	Poor	Poor	Poor
Fuel economy		Excellent	Good	Good	Good	Excellent	Good	Acceptable	Poor	Acceptable
Ease of installation		Excellent	Excellent	Excellent	Excellent	Poor	Poor	Poor	Poor	Poor
Easy maintenance		Excellent	Excellent	Good	Poor	Poor	Poor	Poor	Poor	Poor
Environment friendly		Excellent	Excellent	Acceptable	Acceptable	Acceptable	Acceptable	Acceptable	Poor	Excellent
Smoke / exhaust fumes		Excellent	Excellent	Acceptable	Excellent	Poor	Acceptable	Poor	Poor	Acceptable
Shallow water capability		Excellent	Excellent	Poor	Poor	Poor	Poor	Poor	Excellent	Very Good
Susceptibility to fouling from weeds/debris		Low	Low	Low	Low	Low	Low	Low	High	Low
Corrosion resistance		Excellent	Excellent	Poor	Poor	Poor	Poor	Excellent	Poor	Poor
		JetPac		Outboard		I/O		I/B	I/B Jet
		Diesel	Gasoline	2 Cycle Jet	4 cycle	Diesel	Gasoline	Prop	2 Cycle Jet	Diesel
Cost Comparisons
	Purchase cost	Mid	Mid	Lowest	Lo-mid	Mid	Low	High	Low	High
	Install cost	Low	Low	Low	Low	Mid	Mid	High	High	High
	Lifetime cost of ownership	Low	Low	High	High	High	High	Mid	High	Mid
Other Features
	Fresh water cooling (no flushing)	Standard	Standard	Not Avail.	Not Avail.	Standard	Optional	Optional	Not Avail.	Standard
	Self buoyant	Standard	Standard	Not Avail.	Not Avail.	Not Avail.	Not Avail.	Not Avail.	Not Avail.	Not Avail.
	Stainless prop/impeller	Standard	Standard	Optional	Optional	Optional	Optional	Optional	Optional	Optional
	All stainless fittings/clamps	Standard	Standard	Optional	Optional	Optional	Optional	Optional	Optional	Optional
	Fuel injection	Standard	Standard	Optional	Standard	Standard	Optional	Optional	Optional	Standard
	Sea water pump impeller	S/S	S/S	Rubber	Rubber	Rubber	Rubber	Rubber	S/S, Alum.	Rubber