2c. Unpeel the sticker on the back
and use a small Phillips screwdriver to
remove 4 screws, one at each corner.
2d. Snap apart the case. Inside is the
main circuit board.
2e. Remove the 2 screws at the 2
points shown here to release the
2f. Find the small 4-pin connector
that connects the circuit board to the
batteries. Pull straight up to remove
2g. Optional: Remove the speaker,
which is encased in a vibration-re-sistant rubber housing glued to the
circuit board. Just pull it to remove,
and cut or unsolder the speaker wires.
Removing the speaker
saves 2 grams, which
doesn’t seem like much,
but every bit counts on
smaller rockets. Leave
the microphone in place,
though, to record the roar