Longer cruising range

Volvo Penta IPS vs inboard shafts
All tests were conducted with two identical boats. The only thing that differs is the drive system. It is easy to see the advantages with Volvo Penta IPS when it comes to fuel consumption, top speed and cruising range.

 
41 foot sport cruiser

Test results
Fuel reduction at 30 knots: 33% (47 l/h)
Range extension at 30 knots: 50% (159 Nm)

Specifications
A: Twin 370 hp inboard, top speed 31 knots
B: Twin IPS500 (370 hp), top speed 37 knots

Available fuel capacity: 1500 liter (US gal. 397)


45 foot performance yacht

Test results

Fuel reduction at 25 knots: 35% (55 l/h)
Range extension at 25 knots: 50% (113 Nm)

Specifications
A: Twin 500 hp inboard, top speed 27.5 knots
B: Twin IPS600 (435 hp), top speed 36 knots

Available fuel capacity: 1500 liter (US gal. 397)



52 foot performance yacht

Test results
Fuel reduction at 35 knots: 27% (62 l/h)
Range extension at 35 knots: 36% (111 Nm)

Specifications
A: Twin 775 hp inboard, top speed 38.8 knots
B: Triple IPS600 (435hp), top speed 40.8 knots

Available fuel capacity: 2000 liter (US gal. 530)
  
 

 

62 foot performance yacht

Test results
Fuel reduction at 30 knots: 25% (80 l/h)
Range extension at 30 knots: 34% (111 Nm)

Specifications
A: Twin 1100 hp inboard, top speed 34 knots
B: Twin IPS1200 (900hp), top speed 38 knots

Available fuel capacity: 3500 liter (US gal. 926)



55 foot performance yacht

Test results
Fuel reduction at 30 knots: 27% (62 l/h)
Range extension at 30 knots: 37% (95 Nm)

Specifications
A: Twin 800 hp inboard, top speed 34 knots
B: Twin IPS900 (700 hp), top speed 38 knots

Available fuel capacity: 2000 liter (US gal. 530)