Spoke Calculator
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The other tool you need in your iPhone tool box for building wheels.
Coming soon.
Spoke Tensioner is in the App Store
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- Written by Administrator
- Hits: 2108
Spoke Tensioner is a simple to use tension gauge for bicycle wheels. It relies on the basic physics law of fundamental frequencies to determine tension. In other words, it uses sound, or the tone of the spoke when plucked. A few vital pieces of information are needed before tensioning can being. The material, (steel, aluminum or titanium), the length of the spoke, and the diameter (or dimensions for bladed) of the spoke. After this, each spoke can be plucked and the tension read directly from the screen.
In addition to the basic tensioning capabilities, this version also features a wheel builder mode. First the user specifies the wheel. The details of the wheel are entered, including spoke count, length, dimensions, and material. Next, the user measures tensions for each spoke in the wheel. These values are displayed graphically and stored for future reference. The user can visually see differences in spoke tension to help achieve a more evenly tensioned wheel. Wheels can be revisited later for a second truing or to verify tension if needed. See the screen shots of the wheel builder for a better understanding of this functionality.
Spoke Tensioner has a number of advantages over the traditional hand held spring tensioner:
Speed: The tension is displayed directly on the screen and there are no table lookups.
Precision: Higher precision than the most popular hand held tension gauge.
Portability: Field repairs on a wheel are possible given many people carry a phone while riding.
Visualization: Allows the user to see the tension for the whole wheel at once.
History: User can store a complete tension graph for as many wheels as they choose.
Price: At just $4.99 USD it is an order of magnitude cheaper than the closest competition.
Requirements:
iPhone, iPad or iPod
iOS 4.3 or later
3.7 MB of free space
Available at http://itunes.apple.com/us/app/spoke-tension-gauge/id518870820?mt=8
Spoke Tensioner Submitted
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I submitted the app today to Apple. The new version should be in the store in a couple of weeks.
Better Spokes and Tensions
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Bad News: I did not make the Sunday deadline, and now I am headed out of town for two weeks.
Good News: The end product is going to be both beautiful and functional.
Check out the new spokes. They look nice and they will make you happy when you build your wheel.
