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Old 05-30-2017, 09:57 PM
fabricflyer fabricflyer is offline
Join Date: May 2011
Location: Tylertown, MS
Posts: 162
Default Need thickness of Dynon backup battery

Can anyone give me the thickness of the Dynon SV-BAT-320 backup battery? I've got the footprint dimensions but haven't bought the actual battery yet and would like to make sure it will have plenty of clearance where I want to put it.
Allen RV7A
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Old 05-31-2017, 04:04 AM
cdeerinck's Avatar
cdeerinck cdeerinck is offline
Join Date: Mar 2014
Location: San Marcos, CA
Posts: 319
Default All in the guide

All the dimensions of all the modules are in the SkyView System Installation Guide. Page 2-6, of the System Planning chapter.

To save you the hassle, it is this:

3.30 W x 2.10 H x 3.90 D (84mm W x 53mm H x 99mm D)

So, 2.10"

DG-800S Sailplane
QB RV-8 -- Working on the canopy and wiring
84CX Reserved
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Old 05-31-2017, 10:23 PM
fabricflyer fabricflyer is offline
Join Date: May 2011
Location: Tylertown, MS
Posts: 162

Thanks Chuck, I had the old install guide and the dimensions were on page 2.2 not 2.6. However that opens up a new can of worms, those dimensions still don't jive with the footprint on page 9.2 which show it as a 3.874" X 3.118" footprint. So which is it?

Allen RV7A
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Old 06-01-2017, 01:20 AM
climberrn climberrn is offline
Join Date: Oct 2008
Location: Carson City, NV
Posts: 294
Default Battery location

Regardless of the EXACT dimensions, batteries are a consumable item and need to be replaced at one time or another. If Dynon changes their footprint or dimensions slightly in a couple years, you don't want a tight fit.

You have probably already thought of this, but I wanted to put it out there.

RV-7A at CXP
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Old 06-01-2017, 10:54 AM
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dynonsupport dynonsupport is offline
Join Date: Jun 2005
Location: Woodinville, WA
Posts: 1,494

The mounting template on 9-2 is correct for all those dimensions.

Page 2-6 is a planning guide. Since the battery is not rectangular, the dimensions on 2-6 are a bit of a rounded up estimate. It does appear we rounded the 3.118" to 3.30" instead of 3.20". Not sure if that's a typo or if we had a reason.

The 2.1" is correct, I just checked it with a caliper, as well as the 9-2 dimensions.
Dynon Avionics
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