The MPP 2 Chassis is built for the MPP 2.0 Hilt kit (V2 have a PCB batteries size)
--------chassis specification:--------
built to hold Nano V4 soundboard.
a built-in Crystal chamber with a place for two 3mm LED's and a special crystal: MPP crystal
a built-in place for Li-Ion 26650 3.7V battery (26mm thick and 70mm long).
a built-in place for a 28mm bass speaker.
a built-in place for Switchcraft 2.1mm Power Jack
inner holes for wiring.
a cover cap for the soundboard.
to secure the cap and the chassis in place you will need four brass rods (see the size below)
--------Crystal chamber specification:--------
Crystal chamber is made from three parts, one LED holder,
Power Jack cover and chamber body
- crystal chamber has built-in holes for two 3mm LED to light the crystal.
- crystal chamber built for the MPP Crystal in my shop.
- two rods are necessary to secure the crystal chamber together and two more to secure the chamber and the top cap to the chassis:
- Two 2.8mm (0.114") solid brass rods for the crystal chamber, length of rod one: 1.851" Rod two: 1.322"
- Two 2.8mm (0.114") solid brass rods for the chassis, length of rod one: 4.701" Rod two: 4.151"
- link: solid rods
* printing in metal can have ± 0.125mm change in size
** Chassis have a small place for resistors, a professional installer is recommended
*** some minor modification may be needed (printing can shrink the rods holes by 0.1mm or less)
**** Still not tested****