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Most teams have used Poly-Cord type material to make their roller systems this year. FRC Team 1711 used Thera-Band. A physical therapy medical based product. Resistance values are color coded.
Yellow=1.8 lbs. (LIGHT)
Red=2.7 lbs. (MEDIUM)
Green=3.1 lbs. (HEAVY)
Blue=4.5 lbs. (EXTRA HEAVY)
Black=4.9 lbs. (SPECIAL HEAVY)
Silver=8.6 lbs. (SUPER HEAVY)
03-06-2012 12:32 AM
Steven SigleyI'm really interested in how well this works, do you have any videos?
03-06-2012 12:32 AM
Nice! How effective did you find it was?
Do you think there are any advantages over polycord?
03-06-2012 08:52 AM
scottydoh
03-06-2012 09:19 AM
Brandon Holley
We used Thera-Band as a prototype shooter wheel material in 2009. It worked awesomely.
Nice idea using it as an intake belt!
-Brando
03-06-2012 09:59 AM
kramarczyk
03-07-2012 03:33 PM
JamesBrown
What exactly do those weights measure? If I were to apply the rated force to pull the band how far would it stretch?
03-07-2012 04:20 PM
Nate Laverdure

03-10-2012 09:23 AM
nnfullerWell right from the get go it has the advantage of not needing a 2 inch diameter pulley to work.
01-07-2013 01:05 PM
Timz3082Just thought I would comment because this looks like it could help people with their frisbee intake ideas! I will show this to my team and see what they think!