ID
977036
$ 1,396.16
1-2 weeks delivery time
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The Vetus SDKIT300 Stern Thruster Extension Kit (article: SDKIT300) is engineered for 300 mm stern thruster tunnels, ensuring that propeller and tunnel openings remain fully submerged to prevent air suction and thrust loss. Designed for vessels with shallow stern draft or transom obstructions, the kit includes two GRP deflector shells and stainless steel AISI 316 fastenings for reliable retrofit installation. It provides a 365 mm extension per shell, 1270 mm total shell and tunnel length, and requires a minimum 189 mm from the waterline to the tunnel centerline.
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Vetus SDKIT300 Stern Thruster Extension Kit for 300 mm Tunnel Diameter
The Vetus SDKIT300 is developed to improve stern thruster efficiency on shallow draft vessels by extending the tunnel openings deeper below the waterline, ensuring optimal water flow and eliminating air suction. This prevents thrust loss and allows reliable maneuvering performance, even when installation depth is limited by hull design. The kit consists of two GRP shells and stainless steel AISI 316 fastenings, making it suitable for retrofitting on existing stern thruster tunnels.
Key Features
- Ensures optimal submersion of the propeller and tunnel openings
- Prevents air intake and thrust reduction during operation
- Fiberglass GRP construction with AISI 316 stainless steel fixings
- Ideal for stern installations with shallow draft or obstructed water flow
- Compatible with houseboats and similar shallow draft vessels
- Simple retrofit installation on existing thruster tunnels
Specifications
Compatible Stern Thruster Tunnel Diameter 300 mm Extension Length per Shell (B) 365 mm Total Length of Shell and Tunnel (C) 1270 mm Minimum Required Depth from Waterline to Tunnel Center (X) 189 mm Size A 39 mm Size D 437 mm Size E 450 mm Diameter F 300 mm Kit Type Stern thruster extension kit for shallow draft boats Manufacturer Vetus
The SDKIT300 is recommended when standard mounting depth cannot be achieved without projecting below the hull bottom or when other transom-mounted equipment restricts smooth water flow across the tunnel openings.
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