Broadheads at distance, velocity lost.

Very interesting! Glad you posted this. Precision Cut Archery and Easton seem to be doing a big arrow ballistic coefficient/drag/lift study right now (presumably to catalog all these different drag profiles and improve sight tape creation).

I’ll have to look up some downrange data I collected last year on the same arrow but fletched with Arizona Max Helical and Bitz 2deg offset/helical clamp. The data suggested there was not much difference which was surprising. Similar conclusion as what you posted above
 
Very interesting! Glad you posted this. Precision Cut Archery and Easton seem to be doing a big arrow ballistic coefficient/drag/lift study right now (presumably to catalog all these different drag profiles and improve sight tape creation).

I’ll have to look up some downrange data I collected last year on the same arrow but fletched with Arizona Max Helical and Bitz 2deg offset/helical clamp. The data suggested there was not much difference which was surprising. Similar conclusion as what you posted above

I have another thread I did a few years ago, not on broadheads and fletching, but just on different arrow weights and retained speed at distance. I didn't have a labradar, might have been previous to them. I had a generator in a field with my chrono, a target, and was using a shooting machine to save my chrono.

The heavier arrows of course retained velocity better, but some of the lighter ones were going faster at 65 yards still than I think shafts 100 grs heavier were at launch, or something like that.

Maybe I'll find that post and link it here.

Not a lot of info, but some. Pretty common info with programs anymore. Post in thread 'Energy at range.' https://rokslide.com/forums/threads/energy-at-range.101187/post-981574
 
The heavier arrows of course retained velocity better, but some of the lighter ones were going faster at 65 yards still than I think shafts 100 grs heavier were at launch, or something like that.
This stuff is pretty interesting to test out for yourself which is where I’m at. I did a downrange test with my “turkey” arrow using 4 fletch, lighter overall weight etc. I saw the same thing which is totally expected but still cool to prove

I’ll hear folks say that the heavier arrow will be faster downrange. But it’s a misunderstanding, instead they’re confusing deceleration with velocity, and within reason a lighter arrow will still be traveling at a higher velocity out to distance beyond normal hunting ranges (at least in what I saw in my test). The heavier arrow just loses velocity slower, again that’s obvious to many, but fun to tinker and see in backyard diy testing
 
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