Window balance question

A quick learner from Novato says:
August 30, 2017
Window channel sash balance question: Can you tell me what is the length of travel of a window channel sash balance compared to the length of the balance itself? In other words, a S351-36 channel sash balance is 36" long - what is the maximum recommended length of travel for the sash using this balance? I am considering using these balances in a custom window I am fabricating for a project I'm designing. Thanks.
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Paul from SWISCO responded:
September 5, 2017
Thanks for posting! The combined travel for the S351-36, counting the 36" channel, is 76". Let me know if you have any other questions.
36" Series 351 Channel Balance
36" Series 351 Channel Balance
S351-36
$12.27
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