Posted by Madmax itself when I asked
Quote:
Originally Posted by MadMax
Sorry, the timer and IG mechanisms are not cross compatible. Too much difference in the way they work. I had to make changes to the aluminum valve body tube (tubular part housed in the shells) which is not removable from the grenade shells.
Basically I had to reduce the difference in area between the large and small diameters on the shuttle to reduce the net axial force that the shuttle exerts on the trigger bits. I also had to shorten the sealing length on the small dia end of the tube to advance the opening of the shuttle when the IG stack collapses.
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