You asked for https://www.arrowengine.com/en/sheave-and-belt-calculator/19-toolbox/gas-vs-electric/154-update, but despite our computers looking very hard, we could not find it. What happened ?
the link you clicked to arrive here has a typo in it
or somehow we removed that page, or gave it another name
or, quite unlikely for sure, maybe you typed it yourself and there was a little mistake ?
It's not the end of everything though : you may be interested in the following pages on our site: