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PostPosted: 08 Sep 2021, 07:08 
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ENGINEERING SCIENCE AT THE SERVICE OF SPORTS (table tennis)

Rubber Rebound Elasticity Test
https://chem21.info/
info/1335696/

A tempting idea came recently to my mind. My hands all itched for doing the job without long delay. I gave a call to our domestic University and they allowed me to enter the lab facilities and work up lab apparatus for money imput.

EQUIPMENT
Standard Schob resiliometer.

THE PURPOSE OF THE TESTS.
To determine a smooth sandwich rubber with the MAXIMUM ejection capacity..

RESULTS
12 rubber specimens were tested without a booster, at room temperature.
-- The first best result is 30%
-- The second best result is 27%
-- Tamasu Butterfly Tenergy 05
2.1 mm rubber showed the third
best result 26%

FINAL CONCLUSION.
On the general market, there are a number of rubber products that can play on the same pace with Tenergy-05 or excell that in projective power and ball speed.

Be happy.
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PostPosted: 09 Sep 2021, 11:49 
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RUBBERS SUPERIOR TO TENERGY.-05.



Being for long in encumbency of lab engineer I accumulated a large hip of rubber cuttings, and we can now use it as a "reference stock" for testing.

Through making lab testings a lot, we were able to reveal which of the rubbers do excell Tenergy in BOUNCE AND BALL SPEED. Far cheaper thought.

We always looking for more rubber specimens, seeing that many beautiful rubber products emerged on market lately.

NOTE
the small triangle cuttings sized 3x3cm will do pretty well.

Thank you a lot.


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