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Discussion:
An EVF 12s powered Electra can be configured to accept
(2) 5s and (1) 2s LiPo power packs or as shown here (3)
4s packs. In both cases, the location of the EVF
power packs and radio system battery are adjusted to
maintain the correct Center of Gravity. Once all
of the batteries are installed and the C.G. is
established, mark the location of each battery on the
adjacent fuse flange to ensure that each time the
batteries are installed for flight, the C.G. will be
correct.
Installation |
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One 4s pack is located between the inlet ducts.
Tape the balance wires to the end of the pack to prevent
it from being sucked into the fan. |
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Apply a piece of adhesive backed Velcro to the fuse
bottom as shown. Apply matching Velcro to bottom
edge of a 4s pack.
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Feed the Deans connector end of the 10 gauge wire
between the ducts and install the 4s pack as shown.
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A block of foam rubber between the battery and the
receiver shelf further secures this pack.
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other (2) 4s packs rest on the Electra's battery shelves
this far aft for C.G. purposes and are retained with
adhesive backed Velcro. Series connection of the 3
packs to the EVF is accomplished with a Power Plug 3. |
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receiver battery is located next to the EVF for C.G.
purposes. |
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Test fit
the power hatch and arrange wires as necessary.
Note:
For extreme high negative G maneuvers (outside snaps)
apply 1" bits of plastic tape to further secure that
hatch in area of batteries.
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