- Joined
- May 27, 2010
- Messages
- 2,999
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Gear Case Sub-Assembly
Port Holes for Tappet Bushings and Crankcase Vent done. Took 3 1/2 hours of work. I am left with 4 -------1.5 mm oil holes for the cams, 4 x M2 holes to drill and tap and a 1.6mm ID x 25 mm deep oil passage to drill . And drill and tap breakages will ruin me.
Port Holes for Tappet Bushings and Crankcase Vent done. Took 3 1/2 hours of work. I am left with 4 -------1.5 mm oil holes for the cams, 4 x M2 holes to drill and tap and a 1.6mm ID x 25 mm deep oil passage to drill . And drill and tap breakages will ruin me.
![IMG_1397.jpg IMG_1397.jpg](https://cdn.imagearchive.com/homemodelenginemachinist/data/attach/37/37853-IMG-1397.jpg)