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Archive for the 'Misc' Category

(Chronologically Listed)

Using the Induction Heater – Removing a stuck fan


One of the banes in the lives of HVAC and maintenance mechanics is the removal of corroded, rusted in place fans, pulleys and other objects from the shafts they’re mounted on.  Gear pullers often do irreparable damage and acetylene torches can often overheat and warp.  Induction heat is perfect for this application. I’m scrapping an […]

Posted by neonjohn on October 1st, 2014 under Electronics, HVAC, Induction heating, Misc | Comment now »

Fukushima – The Robots


Today TEPCO released a series of videos taken by the iRobots. Unfortunately instead of providing the raw video, they supplied video from someone cam-cordering the control console screen. The quality is fairly poor. Still there is a lot to learn from the vids. Two things immediately caught my attention. One, how ineffective the robots are […]

Posted by neonjohn on April 20th, 2011 under Misc | Comment now »

Merry Christmas from My Family to Yours


Our little family wishes you the very best this Christmas season. May yours be as good as ours. Jake Sez: Life is good. Hope yours is as good as mine.  Hopin’ you’re having a Happy Puddy Christmas. John says that I have to take time out from my trashin’ to wish you a merry Christmas. […]

Posted by neonjohn on December 25th, 2008 under Misc | Comment now »

Dissection of a Furnace Fan Motor


or Why There is so Much BS on the Net. In this post I’m going to take you through a guided tour of the common everyday fan motor that drives the fan in just about every domestic air conditioner, furnace or heat pump. At the same time I’m going to demonstrate why there is so […]

Posted by neonjohn on October 1st, 2008 under Cool Stuff, Energy, HVAC, Misc, Philosophy | 8 Comments »