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Dynamo vs Alternator

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PostPosted: Tue Aug 28, 2018 4:44 am    Post subject: Dynamo vs Alternator Reply with quote

Having spent too much time in the air with an engine that I wasn't comfortable with, I would say you did the right thing. My comment was meant to relieve the discomfort of people overly concerned about having scratched the surface of battery usage, and wanting it all to be back before they get to the run-up area. It isn't a serious concern, but if you are bothered by it, it becomes a distraction and should be dealt with.

On Monday, August 27, 2018 6:27 PM, Bobby Paulk <bobbypaulk(at)> wrote:


I am aware of all the factors you mention in your response and took what I thought to be the best route to not be stranded at a destination airport. I also had a port to add battery power from an outside source.

Previously if I went out 30 to 40 minutes and reduced power on a down wind leg and taxied a long way leaving the transponder, strobes, radio, and EFIS on the battery would not be up to par. I could watch the negative amp flow on the meter.

The original Jabiru engine needed 300 rpm to generate enough spark to start. I also fixed that by adding an E-mag on the left side and an improved Honda coil on the right side. Now it's up and running before you can take your finger off the start button. This coupled with the 40 amp alternator that charges while taxiing makes the airplane much more reliable.
Just my humble opinion.


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