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Two thoughts from me - 1) for a backup sytem to work you must be able to check it's OK at pre-flight, 2) I would be wary of lithium batteries - they burn at 2000deg C. your SS firewall would melt and your extinguisher would be useless!

Thank you for the content, wish the audio was mastered a little louder.

How do I connect it to ground?

Excellent information clearly explained, good job Bill!

Nice job again Bill, your product and information are always helpful. To expand on your analysis, using a Garmin system (and possible others) with a TCW backup battery (or equivalent) as detailed in their install manual follows your guidance and further simplifies the install. Most of the individual components (LRU's) have dual power inputs with diode protection provided internally. Hooking the backup battery to the secondary input effectively makes it the essential bus without the need for external diodes. You get brown out protection during start this way too. Another plus for using fuses is that there are diode protected fuses that can be used for those LRU's that do not have dual power inputs. I've found the Bussman sealed fuse blocks with relay positions very useful for simplifying the architecture. Available in many different configurations to fit your needs.

Hello, great looking product. Can the regulator be mounted behind the firewall? Will it still need forced cooling air in that configuration. Could a little 12v computer fan work? THanks I dont like blast tubes :-) Great looking product

Thanks Bill. Great service on my firmware update to give me this new alert feature. Works flawlessly.

Good info, thanks!

great intel. Thanks Bill!

Thanks Bill

Your generator appears to be a 3 phase permanent magnet alternator with a rotating PM field. I assume your regulator/rectifier is a mosfet device, shunting excess current to ground in the overvoltage scenario, and due to the limited total RPM seen in an aircraft engine. Excellent work, and well thought out. As an A&P, IA, I would like to see a cover on the regulator, and a more robust control circuit connector. How about Gecko? s3.eu-west-1.amazonaws.com/cdn.harwin.com/wp-content/uploads/2019/09/G125-FV10605F3_Pad.png Or even weather-proof Ethernet.

Good information, but I had to take notes :-). Abuse/extreme tests make good products. It is not completely clear what happens when a bus over voltage event happens. Clearly your device goes "off line", but you said it can absorb 45 amps? For how long? Is there a heat issue absorbing this much power? (BTW- a hidden jewel of functionality)

Have these been used on Rotax 912/914 engines? Is voltage adjustable? I like the low weight

Would love if there was a 24v option

Excellent! All units should be as well designed as this! Clear demo and explanation.

First time I've seen a demo like this - you clearly have a lot of confidence in your product! Impressive!

Question… can the MX-30L be connected directly to the battery like in Bob Nuckolls’ Z101 or is there a parasitic load that would drain the battery over time?

Exciting product in terms of weight, power output, and self-starting.

Am I correct to assume you speak of Lycoming engine RPM and alternator RPM is 1.3 x engine RPM?