The Bristlemouth Dev Kit comes with two Bristlemouth penetrators already installed on one endcap. It is not recommended to remove these penetrators if the Dev Kit enclosure is going to be used in the future but they can be removed if you are migrating your Dev Kit electronics to another enclosure or building a new enclosure.
A Bristlemouth penetrator shown with a Molex connector. Some penetrators may have flying leads or ring terminals. Please contact [email protected] if you have any questions about this.
For instructions to add a different data connection (other than Bristlemouth) to the Dev Kit please refer to the guide here: Adding Penetrations/Wet Connectors to the Bristlemouth Dev Kit
Find a clean, un-marred, and flat surface of your enclosure with a clearance area of about 44mm (diameter) per penetration. Mark the surface of the enclosure with the location for a through hole.
Drill a clean 16.5mm through hole without marring the wet-side surface.
Completely clean the o-ring gland and mating surfaces of the enclosure and the penetrator.
Complete clean and lubricate the o-ring and add it to the penetrator.
[Optional] Add Loctite 243 to the threads of the penetrator at the height they will be used on the dry-side of the enclosure.
Add the penetrator to the wet side of the enclosure.
On the dry side, insert the wires through the m16 washer and m16 hex nut and tighten snug to about 24Nm (18 ft-lbs). You will need to stabilize the wet-side part of the penetrator using the metal hexagonal base of the penetrator.
[Recommended] For longer-term deployments it’s recommended to back-fill any penetrations with marine epoxy or potting compound.
[Recommended] It’s highly recommended to vacuum test your enclosure after all penetrations or bulkhead connectors are added to ensure there are no leak paths to your electronics. Blue Robotics has an amazing guide here: