NK SpeedCoach to Phone Adapter
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This system goes an NK SpeedCoach mount and has an adjustable phone clip, perfect for rowers using a tracking app.
- Ocena
- 0 / 5
- Polubienia
- 2
- Pobrania
- 34
- Wydruki
- 0
- Wyświetlenia
- 150
- Oceny
- 0
Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Outdoor Sports
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
This gadget serves to mount a normal-size phone onto an NK SpeedCoach mount, while holding the phone securely in place. It does this through the use of an adjustable “clamp” held in place with two screws. This allows rowers and coxswains to use a 3rd-party app (CrewNerd in my case) to track data directly on their phone.
The system has four unique components, listed below:
Adapter.stl: The part that actually connects to a SpeedCoach mount and holds everything in place.
Holder.stl: Slots into Adapter and supports the bottom of the phone - you'll need two of these.
TopBracket.stl: Clamps down on the phone from above, securing it to the system.
BottomBracket.stl: Prevents the screws used to tighten the system from unintentionally rotating.
Assembly is easy, but does require some hardware; specifically, two #6-32 socket head screws at least 2.5 inches in length, and two #6-32 wing nuts (for tightening). The below instructions also contain images of each step, with each part color-coded and a half-section view included.
- Slot the two Holder (orange) parts into the slots in the Adapter (blue) part, making sure that they are firmly secured and in place. The bottom surface of these parts should all line up.

2. Push the two screws (green) through the parts, each one securing one Holder part. Line up the flat surfaces of the hex drive with the front and back of the Adapter.

3. Connect the BottomBracket (purple) part to the bottom of the Adapter part, which should stop the two screws from rotating in place. The part is not symmetrical, so be sure that the hex pins line up with the drives of the screws.

4. Slot in the TopBracket (yellow) part onto the threads of the screws. Make sure that it's facing the right way and not upside down.

5. Install the two wing nuts (pink) onto the screws, and make sure that they are able to tighten your phone in place. Be careful to not try to over-tighten as this could damage the BottomBracket part.

I have also provided all of the source .ipt files, so if you have access to Autodesk Inventor, adjustments to the tolerances can be made. Don't hesitate to comment with questions - I'm happy to help. Hope you all get a lot of use out of this! Below I've also attached a few photos, and the recommended print orientation for each part.