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    • We are going to use the motor as a centering pin for the endcap.

    • You can also use a screwdriver if your motors are already attached.

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    • Peel off the paper backing.

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    • When working with acrylic cement it is recommended that you wear gloves, safety glasses, and work in a ventilated area.

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    • Use superglue.

    • When working with cyanoacrylate (super glue) it is recommended that you wear gloves, safety glasses, and work in a ventilated area.

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    • Apply pressure to the outside ring so it is flush with the front of the tube.

    • Don't let this sit in this position to dry or it will become stuck to the paper towel.

    • If any glue got on the inside of the tube, wipe it off.

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    • Cut the lengths of wire into:

      • (2x) 20cm

      • (2x) 50cm

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    • Strip the 20cm piece on one end.

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    • Do your best to make these parts concentric.

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    • Do your best to make these parts concentric.

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    • Make sure the wire goes through the bigger of the two holes.

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    • If the battery tube is a little tight you can sand the inside corner to debur the edge.

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    • Make sure cement is the entire way around.

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    • Use epoxy to fill the end of the battery tube.

    • When working with epoxy it is recommended that you wear gloves, safety glasses, and work in a ventilated area.

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    • The epoxy will flow through the entire cavity.

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    • Fill until it comes out of the hole with the wires.

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    • The epoxy will settle after a while and the level in the hole will go down. Check back after 30 minutes and fill with more epoxy in this hole.

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    • Let the epoxy set for a few hours.

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    • Fill until epoxy comes out this end.

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    • Let the epoxy set for a few hours.

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    • If you have an OpenROV v2.6 you will not have the straps holding your batteries to the side of the frame.

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    • If you have an OpenROV v2.6 remove the zip-ties that are holding the battery tubes to the side of the frame.

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    • Notice that these are mirror images of each other.

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    • Cut to a length of 3cm from the back of the battery tube.

    • If you have an OpenROV version 2.6 you will need to mark the positive and negative wires to keep them matched.

      • The wire that goes to the front of the tube is positive.

      • The wire that goes to the back of the tube is negative.

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    • Mark the negative wire with a sharpie near the base of the battery tube.

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    • Cut to a length of 3cm from the back of the battery tube.

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    • Match the negative wire to to the length with the sharpie mark.

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    • Make sure the inside lining is completely melted and oozes out each end.

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    • Cut to a length of 3cm from the back of the battery tube.

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    • Mark the negative wire with a sharpie near the base of the battery tube.

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    • Cut to a length of 3cm from the back of the battery tube.

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    • Match the negative wire to to the length with the sharpie mark.

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    • Make sure the inside lining is completely melted and oozes out each end.

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    • If you have an OpenROV v2.6 these will extend past the back of the shell.

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    • The third endcap is an extra one.

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