nuckolls.bob(at)aeroelect
Guest
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 Posted: Thu Dec 01, 2022 9:21 pm Post subject: Seeking Battery Box for Group Size BTX20L Battery |
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At 05:26 PM 11/30/2022, you wrote:
| Quote: | Folks,
I decided to try a cheap AGM battery in my airplane and it is working great. So well that I want to swap out the large battery box for one that is smaller and fits more nicely. But my battery ( Super Start Power Sport Battery) is slightly larger than the EarthX batteries so their boxes won't fit. |
Why are you putting a box around an SVLA battery?
The need for an enclosure is a legacy requirement
for dealing with fumes and leaks from flooded
batteries of yesteryear. Many were fitted with
drains that would take bubbled-up acidic
water overboard.
The SVLA battery contains so little liquid that
it's not possible for it to make an acidic
mess in the airplane.
All you need to do is capture the thing
mechanically.
http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_1.jpg
http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_2.jpg
http://aeroelectric.com/Pictures/Batteries/Battery_Install_OBrien_3.jpg
Some years back we did some studies on tensile strength
of straps with Velcro closures. Some 1" wide straps
with 6" of hook-n-loop engagement had a tensile
strength of over 300 pounds. Two of those strips
holding an SVLA battery in a shallow tray would
offer retention in well over a 20G event. Best
yet, you can secure the battery without tools!
Closing the battery up in a box only adds weight
and cost of ownership, it reduces the battery's
ability to reject heat.
Bob . . .
Un impeachable logic: George Carlin asked, "If black boxes
survive crashes, why don't they make the whole airplane
out of that stuff?"
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