For a 49 to 72 ft yacht with room for a 250 mm tunnel. It gives more thrust from less current than the SE150.
Fisheries Supply $7,063.30 eBayThe Sleipner SE170 Tunnel Thruster 24V is the better bow thruster overall, rated 3.6 to 3.3. The Sleipner SE170 Tunnel Thruster 24V leads on efficiency. The Sleipner SE150 Tunnel Thruster 24V costs $681.95 less ($6,381.35 vs $7,063.30).
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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 Sleipner SE170 Tunnel Thruster 24V for efficiency (19.3 kgf per kW (170 kgf, 8.8 kW) vs 17 kgf per kW (150 kgf, 8.8 kW)).
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 | Sleipner SE170 Tunnel Thruster 24V | Sleipner SE150 Tunnel Thruster 24V |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 40% | 66 $41.55 per kgf ($7,063.30, 170 kgf) | 64 $42.54 per kgf ($6,381.35, 150 kgf) |
| Efficiency 25% | 76 19.3 kgf per kW (170 kgf, 8.8 kW) | 44 17 kgf per kW (150 kgf, 8.8 kW) |
| Run time 25% | 33 3 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 62 3.9 kgf per kg (170 kgf, 44 kg) | 65 3.9 kgf per kg (150 kgf, 38 kg) |
Specifications
| Sleipner SE170 Tunnel Thruster 24V | Sleipner SE150 Tunnel Thruster 24V | |
|---|---|---|
| Thrust | ||
| Rated thrust | 170 kgf | 150 kgf |
| Thrust at full supply voltage | 210 kgf | 182 kgf |
| Style | Tunnel | Tunnel |
| Propellers | Twin | Twin |
| Bow or stern use | Yes | Yes |
| Boat length | 49-72 ft | 46-66 ft |
| Electrical | ||
| Supply | 24 V | 24 V |
| Motor | 8.8 kW | 8.8 kW |
| Current draw | 550 A | 610 A |
| Continuous run | 3 min | 3 min |
| Build | ||
| Tunnel diameter | 250 mm | 215 mm |
| Weight | 44 kg (97 lb) | 38 kg (83.8 lb) |
