**Under Construction, but semi-functional**
Last Updated 2017-03-23 v2.5
resting (stretchable) band length(meters)
resting band width on big end(meters)
resting band width on small end(meters)
resting all band thickness(meters)
max comfortable band stretch force(kilograms)
.177" steel ball (BB)
5/16" steel ball
3/8" steel ball
1/2" steel ball
5/8" steel ball
3/4" steel ball
7/8" steel ball
1" steel ball
.50 cal lead ball
.54 cal lead ball
8mm steel ball
10mm steel ball
15mm steel ball
20mm steel ball
25mm steel ball
Approximate Values Below With Values Above
Uses above values to generate approximated data for theoretical band measurements
stretchable band weight(kg)
pouch and rubber knots/ties weight at pouch(kg)
ammo weight(kg)
ammo diameter(mm)
entry increments(in)
Calculate
Show Detailed Output
retraction force data (Kilograms)(per increment)
6.37 6.15 5.75 5.43 5.09 4.82 4.69 4.57 4.23 3.97 3.75 3.62 3.5 3.23 2.98 2.69 2.41 2.06 1.67 1.29 0.87 0.53 0
velocity curve
Your browser does not support the canvas element.
acceleration curve
Your browser does not support the canvas element.
00m
10m
20m
25m