SmartTrack Tension Knob for Kayaks
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Tension knob compatible with SmartTrack rudder systems for kayaks
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Tension knob compatible with SmartTrack rudder systems used in kayaks for steering via rudder pedals. The knob tensions the spring which deploys the rudder blade.
I designed it for the SmartTrack FLOW control head, but it should fit most other SmartTrack rudder heads as well. The part number of the original tension knob is ST20-460, which is the one used on all SmartTrack rudder heads except Hybrid Foil.
The design is split into two interlocking parts for optimal strength and printing orientation. The tolerances are tuned for a strong friction fit, but the parts can also be glued together if needed.
Tip: the tolerances can be tweaked by adjusting the extrusion multiplier if needed
Print settings
See the .3mf project file for details.
Nozzle: 0.4mm
Layer height: 0.2mm
Filament: Prusament PC Blend Carbon Fiber
I printed the knob with 4 perimeters and the axle with 8 perimeters for a solid wall at the spring slot:
The knob needs supports painted like this:
You'll also need an R-clip hitch pin with 3mm diameter or smaller. The one I used has the following dimensions:
