Tethered Jet Drive Water Vehicle Steering via Extraction
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Solution Overview
Problem
Existing water sports apparatuses face challenges in optimizing towing systems for cost-effectiveness, weight reduction, resource conservation, and safety, particularly in motorized water vehicles without onboard steering devices.
Innovation Solution
A water sports apparatus featuring a motorized water vehicle with a jet drive, designed without an onboard steering device, equipped with a tether and fastening device for towing water sports enthusiasts or other apparatuses, incorporating an emergency stop device for enhanced safety and control via a remote controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a water vehicle is designed without an onboard steering device, then weight and device complexity are reduced, but control and maneuverability are worsened
Solution Approach 1:
The steering function is extracted from the water vehicle itself and transferred to the tether system. The tether can be steered independently by the operator on land or in water, while the water vehicle simply follows the tether's path. This separation allows the water vehicle to be lightweight without steering components while maintaining full maneuverability through the tether control system.
2Ease of manufacture
If a water vehicle is designed without an onboard steering device, then acquisition and maintenance costs are reduced, but maneuverability is worsened
Solution Approach 1:
The tether serves multiple functions: it provides propulsion force, steering control, and positioning. By making the tether multi-functional, the system achieves versatile maneuverability without requiring additional specialized components on the water vehicle, thereby keeping acquisition and maintenance costs low while maintaining adaptability.
3Stability of the object's composition
If a fastening device is arranged in the stern-side half of the water vehicle, then towing stability is improved, but the lever effect on the water vehicle is reduced
Solution Approach 1:
The fastening device is specifically positioned in the stern-side half of the water vehicle to optimize towing stability for this particular application. The local placement at the stern creates a more direct towing line behind the vehicle, reducing unwanted pitching moments and improving stability during towing operations, even though this reduces the lever effect compared to forward placement.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a cost-effective, lightweight, and resource-efficient towing system with improved safety features, enabling efficient propulsion of water sports enthusiasts or apparatuses without the need for onboard steering, while ensuring reliable emergency stopping mechanisms.
Implementation Method 1
Said water vehicle can, for example, be equipped with a jet drive
Data Source
AI summary
A water sports apparatus (20) including a water vehicle (30) having a motorized, in particular electric, drive (36), wherein the water vehicle (30) is designed without an onboard steering device, wherein the water sports apparatus (20) includes a tether (40) for towing a water sports enthusiast (62) or a second water sports apparatus (64) along behind the water vehicle (30), wherein the water vehicle (30) includes a fastening device (38) for fastening the tether (40), wherein the tether (40) is fastened or can be fastened by one end to the fastening device (38), wherein the fastening device (38) is arranged in a stern-side half of the water vehicle (30), and wherein a handle (50) for a water sports enthusiast (62) or for a second water sports apparatus (64) is arranged, in particular fastened or fastenable, on another end of the tether (40).