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Old 09-18-2023, 06:55 AM
Hotscam Hotscam is offline
Join Date: Mar 2011
Location: Bosschenhoofd, Netherlands
Posts: 175
Default Alternator fuse

Since a long time the 5A P lead fuse always pops after starting and doing the mag and prop checks.
When reset and during flight it never happens again but it worries me.

I tested the fuse stand-alone with an external current adjustable power suppjy which shows 5.3 A when it pops and seems normal.

I would think that when the battery voltage is somewhat low after starting and prop check load peaks the regulator tries to boost the voltage quickly peaking over 5 A.
Could this be normal and pops the fuse too quickly.

Any ideas ?
Jack Netherlands


RV12 #120519 and #120790
Hobbs 700+ hours and 400+ hours
Dual SV1000 Skyview 15, Pocket FMS and Powerflarm 6.0 (ADSB)

RV10 PH-USN Hobbs 350 hours
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