The 24 V version of the BOW9512D for a 36 to 55 ft boat. It gives 10 kgf more thrust from half the current.
Fisheries Supply $3,901.41 eBayThe Vetus BOW9524D Bow Thruster 105 kgf is the better bow thruster overall, rated 3.7 to 3.3. The Vetus BOW9524D Bow Thruster 105 kgf leads on efficiency, run time and value. The Sleipner SE150 Tunnel Thruster 24V wins on weight. The Vetus BOW9524D Bow Thruster 105 kgf costs $2,479.94 less ($3,901.41 vs $6,381.35).
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For a 46 to 66 ft boat with a 215 mm tunnel that needs more push than the SE120 gives.
Fisheries Supply $6,381.35 eBayWhich should you buy?
- Choose the Vetus BOW9524D Bow Thruster 105 kgf for efficiency (18.4 kgf per kW (105 kgf, 5.7 kW) vs 17 kgf per kW (150 kgf, 8.8 kW)), run time (3.5 minutes continuous vs 3 minutes continuous) and value ($37.16 per kgf ($3,901.41, 105 kgf) vs $42.54 per kgf ($6,381.35, 150 kgf)).
- Choose the Sleipner SE150 Tunnel Thruster 24V for weight (3.9 kgf per kg (150 kgf, 38 kg) vs 3.5 kgf per kg (105 kgf, 30 kg)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 75 kgf bow thruster; a clear win is highlighted. How we rank explains each one.
| Factor weight | Vetus BOW9524D Bow Thruster 105 kgf | Sleipner SE150 Tunnel Thruster 24V |
|---|---|---|
| Overall rating | 3.7/5 | 3.3/5 |
| Value 40% | 73 $37.16 per kgf ($3,901.41, 105 kgf) | 64 $42.54 per kgf ($6,381.35, 150 kgf) |
| Efficiency 25% | 63 18.4 kgf per kW (105 kgf, 5.7 kW) | 44 17 kgf per kW (150 kgf, 8.8 kW) |
| Run time 25% | 50 3.5 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 50 3.5 kgf per kg (105 kgf, 30 kg) | 65 3.9 kgf per kg (150 kgf, 38 kg) |
Specifications
| Vetus BOW9524D Bow Thruster 105 kgf | Sleipner SE150 Tunnel Thruster 24V | |
|---|---|---|
| Thrust | ||
| Rated thrust | 105 kgf | 150 kgf |
| Thrust at full supply voltage | - | 182 kgf |
| Style | Tunnel | Tunnel |
| Propellers | Single | Twin |
| Bow or stern use | Yes | Yes |
| Boat length | 36-55 ft | 46-66 ft |
| Electrical | ||
| Supply | 24 V | 24 V |
| Motor | 5.7 kW | 8.8 kW |
| Current draw | 320 A | 610 A |
| Continuous run | 3.5 min | 3 min |
| Build | ||
| Tunnel diameter | 185 mm | 215 mm |
| Weight | 30 kg (66 lb) | 38 kg (83.8 lb) |
