systemdelete

systemdelete t1_je720lr wrote

I’ve found with a 220gr 30 cal the ones at the edge of my yard flip a few times and land far enough back in my woods I don’t generally have to mess with them further. It’s also quiet enough to not wake the neighbors in the wee hours of the morning.

1

systemdelete t1_ivib9wz wrote

In construction of studios we oversized the HVAC ducts to slow the air flow down and added internal alternating baffles lined with mass loaded vinyl which the air could wiggle around but knocked down sound transmission via the vents. / \ / \

6