Amateur Barbarian
New member
This is my first installment of test results on HEX6 limbs. I will be showing the following:
Draw force curve
Stored energy
Energy per pounds on the fingers
Smoothness (First derivative of the draw force curve)
Chrono readings.
The test were conducted using my worm gear draw board with a Taylor mechanical scale and a Prochrono.
I will also be comparing to a set of Border HEX5 and PSE ProElites (rebranded Winacts).
Bow specs
Border HEX6, marked 35 pounds at 28 inches, longs, in a 25 inch Bernardini Nilo riser, BH 8 3/16 inches
Border HEX5, marked 36 pounds at 28 inches, longs, in a 25 inch Best Moon Riser, BH 9 1/4 inches (I have previous results at BH 8 inches http://www.archery-interchange.net/f127/hex5-alternative-use-first-impression-26106/
)
PSE ProElites, marked 34 pounds at 28 inches, longs, in a 25 inch Best Moon Riser, BH 9 1/4 inches (also results for BH 8 inches in the thread http://www.archery-interchange.net/f127/hex5-alternative-use-first-impression-26106/
)
The HEX5 and ProElite tests were done a few months ago which is why the bow configurations are different.
Speeds were taken at by me at a 32 inch draw length.
Chrono results
Draw weight at 32 inches
39.5 inches off drawboard, 42.5 with Easton scale
344 gr full length ACE 430 arrows
8125 G string
Split finger 206 +/- 1 fps
3 under 204 +/1 1 fps
There was a gap in the force measurements between my draw board and my Easton scale. Not all experiments will match but the trend data should be consistent, expecially when comparing across different bows.
Here is the basic draw force info on the HEX6
The following data shows a chart of the first derivative of the draw force curve. This is how many inches the bow increases in force for each inch of pull in the draw cycle. Sid asserts that smoothness can be measure by this number at the end of the draw, or in other words, as the arrow goes through the clicker. Lower numbers mean smoother through the clicker. My results confirm numbers from DFC's produced by Border. The HEX6 limbs have a lower first derivative at the end of the draw cycle, lower than HEX5 and much lower than ProElites. I have measure several conventional limb geometries and they all follow a profile similar to the ProElite, even Border CXB limbs. The HEX limb profile is responsible for the shift to higher draw length of the valley (and increased depth) and the delay in the onset of stacking.
I will have more to come in the future. Hopefully, Sid will join and comment on some of these results. I shot the HEX6 yesterday and they were indeed, both smooth and fast. I shot the 80 yard field target split finger and was aiming at the ground in front of the target -- with my slow Redline arrows. I have not tried my FITA setup yet to see how my aiming points compare to my HEX5. That will come some time soon.
Draw force curve
Stored energy
Energy per pounds on the fingers
Smoothness (First derivative of the draw force curve)
Chrono readings.
The test were conducted using my worm gear draw board with a Taylor mechanical scale and a Prochrono.
I will also be comparing to a set of Border HEX5 and PSE ProElites (rebranded Winacts).
Bow specs
Border HEX6, marked 35 pounds at 28 inches, longs, in a 25 inch Bernardini Nilo riser, BH 8 3/16 inches
Border HEX5, marked 36 pounds at 28 inches, longs, in a 25 inch Best Moon Riser, BH 9 1/4 inches (I have previous results at BH 8 inches http://www.archery-interchange.net/f127/hex5-alternative-use-first-impression-26106/
)
PSE ProElites, marked 34 pounds at 28 inches, longs, in a 25 inch Best Moon Riser, BH 9 1/4 inches (also results for BH 8 inches in the thread http://www.archery-interchange.net/f127/hex5-alternative-use-first-impression-26106/
)
The HEX5 and ProElite tests were done a few months ago which is why the bow configurations are different.
Speeds were taken at by me at a 32 inch draw length.
Chrono results
Draw weight at 32 inches
39.5 inches off drawboard, 42.5 with Easton scale
344 gr full length ACE 430 arrows
8125 G string
Split finger 206 +/- 1 fps
3 under 204 +/1 1 fps
There was a gap in the force measurements between my draw board and my Easton scale. Not all experiments will match but the trend data should be consistent, expecially when comparing across different bows.
Here is the basic draw force info on the HEX6
The following data shows a chart of the first derivative of the draw force curve. This is how many inches the bow increases in force for each inch of pull in the draw cycle. Sid asserts that smoothness can be measure by this number at the end of the draw, or in other words, as the arrow goes through the clicker. Lower numbers mean smoother through the clicker. My results confirm numbers from DFC's produced by Border. The HEX6 limbs have a lower first derivative at the end of the draw cycle, lower than HEX5 and much lower than ProElites. I have measure several conventional limb geometries and they all follow a profile similar to the ProElite, even Border CXB limbs. The HEX limb profile is responsible for the shift to higher draw length of the valley (and increased depth) and the delay in the onset of stacking.
I will have more to come in the future. Hopefully, Sid will join and comment on some of these results. I shot the HEX6 yesterday and they were indeed, both smooth and fast. I shot the 80 yard field target split finger and was aiming at the ground in front of the target -- with my slow Redline arrows. I have not tried my FITA setup yet to see how my aiming points compare to my HEX5. That will come some time soon.