90 degree opening on old steel windows

A quick learner from dallas texas says:
Hi, I am wondering if there is a way to replace a 9" single arm operator on an old steel casement window to one that opens more than 90 degrees.
Thanks, Augie
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Dave Sr. from SWISCO responded:

I don't believe there is an operator like the 39-002 used on a steel casement window that will open up past 90 degrees. We do have the old style 39-077 casement window adjuster. That would open up further than 90 degrees, but I'm not sure if it's the type you're looking for or can install on your window. I'm sorry we can't make a better suggestion.

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