billhuntersemail(at)gmail
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 Posted: Sun Jun 25, 2017 2:23 pm Post subject: Enclosure For Batt Contactor and Bus Tie |
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Hi All,
I am installing a bus tie contactor and a battery contactor in an “enclosure” under the rear seat of a composite airplane and I am concerned about the heat produced by these two devices.
This enclosure is a “box” of sorts that is constructed with foam core composite material (good insulation properties) and the space is kinda small (about 20” X 10” X 4”) and it will not have any airflow whatsoever so I am wondering how hot these two units could get when energized in this enclosed location.
I do not intend to have the bus tie closed during flight so when airborne only the battery contactor will be energized however during ground operations I do intend on having both the bus tie and the battery tie closed for maintenance purposes. I have already had them both humming however I have not yet closed the lid to this box. If need be I could construct some kind of cooling air scoop however I would prefer to keep the box fully enclosed…IF…there would not be a fire hazard.
THANKS for your feedback and advice.
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Cheers!!!
Bill Hunter
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