The thruster for a 56 to 79 ft yacht on a 24 V system. Smaller boats are better off with the SE170.
Fisheries Supply $9,011.81 eBayThe Sleipner SE210 Tunnel Thruster 24V is the better bow thruster overall, rated 3.7 to 3.6. The Sleipner SE210 Tunnel Thruster 24V leads on efficiency. The Sleipner SE170 Tunnel Thruster 24V wins on weight. The Sleipner SE170 Tunnel Thruster 24V costs $1,948.51 less ($7,063.30 vs $9,011.81).
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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 eBayWhich should you buy?
- Choose the Sleipner SE210 Tunnel Thruster 24V for efficiency (21 kgf per kW (210 kgf, 10 kW) vs 19.3 kgf per kW (170 kgf, 8.8 kW)).
- Choose the Sleipner SE170 Tunnel Thruster 24V for weight (3.9 kgf per kg (170 kgf, 44 kg) vs 3.1 kgf per kg (210 kgf, 68 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 | Sleipner SE210 Tunnel Thruster 24V | Sleipner SE170 Tunnel Thruster 24V |
|---|---|---|
| Overall rating | 3.7/5 | 3.6/5 |
| Value 40% | 64 $42.91 per kgf ($9,011.81, 210 kgf) | 66 $41.55 per kgf ($7,063.30, 170 kgf) |
| Efficiency 25% | 100 21 kgf per kW (210 kgf, 10 kW) | 76 19.3 kgf per kW (170 kgf, 8.8 kW) |
| Run time 25% | 33 3 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 36 3.1 kgf per kg (210 kgf, 68 kg) | 62 3.9 kgf per kg (170 kgf, 44 kg) |
Specifications
| Sleipner SE210 Tunnel Thruster 24V | Sleipner SE170 Tunnel Thruster 24V | |
|---|---|---|
| Thrust | ||
| Rated thrust | 210 kgf | 170 kgf |
| Thrust at full supply voltage | 250 kgf | 210 kgf |
| Style | Tunnel | Tunnel |
| Propellers | Twin | Twin |
| Bow or stern use | Yes | Yes |
| Boat length | 56-79 ft | 49-72 ft |
| Electrical | ||
| Supply | 24 V | 24 V |
| Motor | 10 kW | 8.8 kW |
| Current draw | 500 A | 550 A |
| Continuous run | 3 min | 3 min |
| Build | ||
| Tunnel diameter | 250 mm | 250 mm |
| Weight | 68 kg (149.9 lb) | 44 kg (97 lb) |
