Do Fan Spacers really work?

Fan hubs create a HUGE deadzone on radiators... would adding spacers help improve the overall cooling of the radiator?? Lets see! Sponsored Links Falcon Northwest has been building high end systems for gamers since 1992! Learn more about what Falcon Northwest has to offer at https://www.falcon-nw.com/ ○ Get your JayzTwoCents Merch Here! - https://www.jayztwocents.com ○ Join this channel to get access to perks: https://www.youtube.com/channel/UCkWQ0gDrqOCarmUKmppD7GQ/join ○ Join the official JTC Discord! https://discord.gg/jayztwocents ○○○○○○ Items featured in this video available at Amazon ○○○○○○ ► Amazon US - https://amzn.to/43wnUsz ► Amazon UK - http://amzn.to/Zx813L ► Amazon Canada - http://amzn.to/1tl6vc6 ••• Follow me on your favorite Social Media! ••• Facebook: http://www.facebook.com/jayztwocents Twitter: http://www.twitter.com/jayztwocents Instagram: http://instagram.com/jayztwocents# SUBSCRIBE! http://bit.ly/sub2JayzTwoCents --- 00:00 The theory 05:25 Visualizing the air blockage 09:25 The spacer 10:13 Airflow changes 11:37 Thermal test results 14:58 Conclusions