Is it my imagination or do the product grenades blow up much faster now? Before the first patch I never got hit with the secondary explosion. As a gunner I just hit my jets and moved back and to the side. The only time I would ever get hit by the mines is when someone was blocking me from behind. The last time I got hit by a blind effect the secondary mine detonation effect seemed to occur about three times as fast. I have to wonder if this is more of an effect of where you aim with the grenade. Does aiming low on a target make the mines detonate sooner?
I'm almost certain it is your imagination. Also, I've never seen a grenade blow up faster/slower due to placement.
The timing has not changed from what I can tell. The initial Blind/explosion is actually an AoE. I'll shoot grenades that come to rest where my opponent is likely to run while I'm railing them. Sometimes they get hit by the AoE and step INTO the clusterbombs while blinded. In higher ping games, I've ran through my own cluster bombs and blinded myself even though the initial explosion was long over with (resulting in a near instant blind + explosion experience on my end).