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Old 09-28-2017, 05:51 AM
BigJohn BigJohn is offline
Join Date: Nov 2008
Location: Gloversville, NY
Posts: 1,484

Originally Posted by mcems View Post
Just put a cigarette lighter plug on the end of the small battery charger and plug it into your plane. That power supply runs direct to the battery.

I do it that way when I need to.

Brad Stiefvater
Salem sd
Two points:

1. In the original design there is a fuse in that circuit, so one has to be sure the charging current will be limited, either by using a small trickle charger, or making sure the batttery is not discharged to any great extent when you plug it in.

2. If I recall correctly somewhere along the line the design of the power plug circuit was changed so the connection to the battery is not direct, but through the solenoid so it is not always hot.
John Peck, CFII, A&P, EAA Tech Counselor, Flight Advisor.
RV-12 N37JP 120176 Flying since 2012.
VAF paid through 10/2018. Best bargain in town.
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