March 7, 2021
Description
Forced air system for Shermar V5A helmet (helmet already has mounting points that can be used for air inlet), mainly to combat fogging, also helps with dust ingress then grinding, but use at your own risk in such conditions.
Uses 3M bayonet style filters and Makita 18V LXT batteries.
Other parts:
1x Sei B9733B12UP-A fan
1x 12V 3A out DCDC converter
1x 10x15mm rocker switch
1x Optional 15mm potentiometer & electronics for fan speed control
1x Makita battery terminal (Mfg. no. 643852-2 or one by mojo_replica)
1x Makita bettery holder by Henk_i3
2x 3M bayonet adapters by AgapeIngenium (needs only inner shell)
2x 3M TR-654 filter gaskets
1x 32mm vacuum hose
4x 2.2x6.5mm self tapping screws for helmet air inlet
4x 2.9x9.5mm self tapping screws for hose connector
4x DIN912 M3x16mm screws for belt loops
2x DIN7985 M3x35 screws for fan
4x DIN912 M3x25mm screws for lid through belt loops
3x DIN912 M3x10mm screws for battery holder
3x M3 nuts for battery holder
6x M3X5X4mm brass inserts for lid and fan
License:
Creative Commons - Attribution - Non-Commercial - Share Alike
Xlog
