Note : All values are average values, and can be updated by further measurement.
| Quad/Triple Fiber | Outer Fiber | Inner Fiber | 3+2 ply | Center Fiber | 7-ply Wood | 5-ply Wood |
andro & Avalox / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| andro Gauzy SL OFF | 90.2 | 1.44 | 1.36 | 0.94 | 1.09 | 1.17 | 1.07 |
| andro Wanokiwami Ren | 85.0 | 1.48 | 1.36 | 0.92 | 1.14 | 1.30 | 1.14 |
Avalox / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Avalox BT777 | 91.0 | 1.75 | 1.54 | 0.88 | 1.16 | 1.27 | 1.09 |
| Avalox P700 | 91.8 | 1.71 | 1.48 | 0.87 | 1.13 | 1.13 | 1.00 |
Butterfly / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Butterfly Clearfield | 97.0 | 1.9 | 1.67 | 0.88 | 1.19 | 1.28 | 1.08 |
| Butterfly Korbel SK7 | 87.1 | 1.55 | 1.46 | 0.94 | 1.17 | 1.2 | 1.03 |
| Butterfly Primo Powerfeeling | 90.5 | 1.14 | 1.28 | 1.12 | 1.07 | 0.82 | 0.77 |
| Butterfly SK7 (heavy) | 95.2 | 2.17 | 2.01 | 0.93 | 1.3 | 1.2 | 0.92 |
| Butterfly SK7 Classic | 90.6 | 2.05 | 1.86 | 0.91 | 1.27 | 1.3 | 1.02 |
DHS / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| DHS Fang Bo B (7-ply) | 88.4 | 1.69 | 1.42 | 0.84 | 1.14 | 1.29 | 1.13 |
| DHS Hurricane Long 3 | 86.9 | 1.56 | 1.34 | 0.86 | 1.11 | 1.25 | 1.13 |
Donic / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Donic Persson PowerPlay | 83.9 | 1.31 | 1.25 | 0.95 | 1.10 | 1.08 | 0.98 |
| Donic Ovcharov Senso V1 | 90.0 | 1.91 | 1.58 | 0.83 | 1.20 | 1.36 | 1.13 |
Nittaku / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Nittaku Adelie | 80.8 | 1.14 | 1.30 | 1.14 | 1.15 | 1.09 | 0.95 |
| Nittaku Barwell | 83.8 | 1.46 | 1.67 | 1.14 | 1.27 | 1.23 | 0.97 |
| Nittaku Ludeack | 84.0 | 1.39 | 1.36 | 0.98 | 1.15 | 1.16 | 1.01 |
| Nittaku Ludeack Power | 93.3 | 2.18 | 1.46 | 0.67 | 1.12 | 1.08 | 0.96 |
| Nittaku Septear | 80.6 | 1.43 | 1.49 | 1.04 | 1.23 | 1.23 | 1.00 |
Stiga / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Stiga Clipper CC | 91.4 | 1.77 | 1.61 | 0.91 | 1.20 | 1.24 | 1.03 |
| Stiga Clipper CR (New 6.5mm) | 81.7 | 1.46 | 1.47 | 1.01 | 1.20 | 1.25 | 1.04 |
| Stiga Clipper CR (Old 7.0mm) | 96.8 | 2.42 | 2.21 | 0.91 | 1.37 | 1.25 | 0.91 |
| Stiga Ebenholz NCT VII | 91.3 | 1.57 | 1.26 | 0.80 | 1.03 | 1.20 | 1.17 |
| Stiga Maplewood NCT VII | 94.6 | 1.88 | 1.33 | 0.71 | 1.07 | 1.27 | 1.19 |
| Stiga Nostalgic VII | 96.9 | 2.20 | 1.54 | 0.70 | 1.12 | 1.32 | 1.18 |
| Stiga Rosewood NCT VII | 93.7 | 1.96 | 1.72 | 0.88 | 1.22 | 1.30 | 1.07 |
Tibhar / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Tibhar Bernadette Szöcs Signature 1 | 84.9 | 1.75 | 1.59 | 0.91 | 1.22 | 1.26 | 1.03 |
| Tibhar CCA 7 | 91.6 | 2.04 | 1.94 | 0.95 | 1.29 | 1.25 | 0.97 |
| Tibhar Samsonov Force Pro Black Edition | 86.9 | 1.77 | 1.60 | 0.90 | 1.22 | 1.25 | 1.02 |
| Tibhar Nimbus ALL Tibhar Illusion Killer | 85.5 | 1.34 | 1.56 | 1.16 | 1.24 | 1.00 | 0.81 |
Victas / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Victas Swat Power | 89.9 | 1.67 | 1.43 | 0.86 | 1.12 | 1.13 | 1.01 |
| Victas Swat | 87.6 | 1.51 | 1.40 | 0.93 | 1.13 | 1.13 | 1.00 |
Xiom / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Xiom Solo | 88.2 | 1.76 | 1.67 | 0.95 | 1.23 | 1.24 | 1.01 |
| Xiom Zeta Offensive | 90.7 | 1.62 | 1.47 | 0.91 | 1.14 | 1.18 | 1.04 |
| Xiom Extreme S | 92.5 | 2.54 | 2.57 | 1.01 | 1.48 | 1.32 | 0.89 |
Yasaka / 7-ply wood
| Name | Avg.Wt (g) | Ep | Ec | Ec/Ep | Vp | Vl | Vl/Vp |
| Yasaka Falck W7 | 85.3 | 1.65 | 1.34 | 0.81 | 1.13 | 1.33 | 1.18 |
| Yasaka Ma Lin Extra Special | 90.3 | 1.84 | 1.43 | 0.78 | 1.12 | 1.30 | 1.16 |
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Is it possible to add information about blade thickness and type (clipper, hardwood, etc.) to this database? That would help a lot to predict characteristics of similar blades that don’t included in the database. For example, I have Sanwei Fextra 7-ply wood blade. It is of clipper type (3 thicker layers in center and 2+2 thinner layers outside). Overall thickness is about 6-6,2 mm and weight about 93-95 grams. It is sealed, so I can not take direct measurements. It would be a lot easier to find similar blades if I have additional information about already measured blades.
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Its construction is somewhat different from that of Clipper. Especially the middle layer is different from the middle layer of Clipper.
I can’t tell you the exact values because there are many factors those affect the performance indices. But, at least we can ‘expect’ the values.
Ep will be around 1.7 or 1.8
Ec will be around 1.5 or 1.6
Vp will be around 1.0~1.1
Vl will be acound 1.2~1.3
(in case the weight is around 94 gram.)
No more than prediction.
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Can you explain (roughly) why the Adelie is so different?
I bought one based on your data and it was a nice variation on the Violin – both similar speeds but one is “kick”’the other “hold”. I can tell the difference easily.
The Adelie is not made anymore so it would be nice to know what to look for in a replacement.
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That is because Ep is significantly reduced by the decrease of the thickness while Ec is reduced not that significantly, in case the basic structure of blade is not changed and only the thickness is changed. That makes Ec/Ep much bigger than that of thicker blade.
You can compare Adelie with new 6.5mm version of Stiga Clipper CR. The Ep of Adelie is much lower than the Ep of Clipper CR, while the difference in Ec isn’t that significant.
The bending stiffness concerned with Ep is significantly affected by thickness, while the center deflection stiffness concerned with Ec isn’t affected by thickness that significantly although it is also affected.
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7ply wood for Stiga clipper have various type.
1) Stiga Clipper wood
2) Stiga Clipper CR
3) Stiga Clipper WRB
4) Stiga Clipper CR WRB
5) Stiga Clipper CC
These are 5 different types of clippers, surely their performance could be different. They are build with the same wood type as Butterfly SK7 Classic. How much of difference would they perform?
Would be great if you could collect data for the different types of Clippers and make a report to compare between Butterfly SK7 classic and Stiga Clippers series.
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In fact Clipper WRB isn’t much different from Clipper Wood if the weight difference is around 5 gram.
One problem of Clipper series is that its thickness and average weight changes frequently. 6.0mm version, 7.0mm version and 6.5mm version are all different.
Among the series, thick and heavy piece can be compared wit SK7 Classic, without concerning the name.
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