Anyone can be bitten or stung by an insect, and bites and stings are very common. Youâre at greater risk if you spend a lot of time outdoors, especially in rural or wooded locations. Children and older adults may have more severe reactions to bites and stings.
60 feet divided by this number should be the arrow's speed in feet per second. Double the distance from the masking tape to the center of the 40 yard grouping, and divide by 32 feet per second per second.20 feet divided by this number is the arrow's speed in feet per second, and should be the approximately same as the result in step 6, allowing for errors in measurement.
Ballistic Charts. 1  Ballistics charts allow you to display the energy, velocity, and drop for your current projectile, or compare up to eight projectiles together on the same screen. 2  Your current atmosphere and zero are automatically applied to all projectiles, so you're comparing apples to apples. have used many different ballistic apps, this app is by far the most user friendly. The fact that you can load your different rifles and compare energy is huge. I have found the calculator to be very accurate. It helped me harvest a deer at 853 yds with a 30 degree down hill angle..