Agree 100% with Steven and others. Progress in general seems positive, but it doesn't seem remotely possible that you can stick to your original schedule. Please update that with a new timeline ASAP so as to not disappoint.
If I'm reading the campaign plan correctly, autumn 2018 is the time for pre-production and testing. By the calendar, autumn started last month and ends on Dec. 21, so, there are potentially 2 more months of pre-production and testing.
But, without slipping the schedule date for shipping (Dec. 2018) you can't use all of that. If you aren't already, you've got to be in pre-production and testing soon to hit that date.
I'm not in a hurry for this product. I'll be happy to get it whenever it is ready, but ...
One thing I've seen over and over on Kickstarter is that when a schedule slips, the sooner the project lets the backers know, the better. I'd suggest you take a good hard look at the dates, not optimistically, perhaps even pessimistically, and share the time range with your backers.
It's especially important when delivery is planned for December, as some people will count on it for a holiday present and if they don't get it, they will be mad.
Nice. good job guys... hope it turns out perfect (and functions perfectly)
Awesome work guys. Looking good. I think you'll miss your est Dec delivery date, but who cares. Its looking really good and it will be worth the wait for sure.