During the past two weeks, our engineers have been working to identify the cause of some binding in the output gearbox. Based on that, we have a refined set of gears coming to us next Wednesday, at which point they’ll go straight to a testing lab in Dayton, OH for gear tooth analysis (for TCE and TTE data, if any engineers are reading this). That data will tell us which of the gears is out of spec, and then the injection molder can fix the issue.

There are eleven sets of gear teeth across thirteen parts that work together to regulate the brush speed on the output side (where the energy from the internal spring motor is released). As you can see in the photo, the size of some gears makes it impossible to accurately measure the tooth details ourselves, which is why they’ll go to a specialized lab with coordinate measuring machines that provide the data.

This video shows a similar machine analyzing gear teeth:

Below is the latest overview of where things are at in the production cycle of Be. Brush. The idea behind showing progression in a GANTT chart is to give you transparency into what we're working on, broken down to the component level, so you know on a

You might have noticed that we haven’t given an updated ship date in a while, and it’s not because we haven’t heard you asking! We know you’re all anxious to receive the brush, but we only want to commit to one more date when we know we can actually achieve it. As soon as we’re at the production stage, you will all be the first to know the ship date. But we’ll continue to send bi-weekly updates explaining the current stage—thanks for sticking with us!

Respectfully,

Team Be.

 

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