By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. Most of the handicap doors are operated with linear actuators, however there …
By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. Recently a new ride was installed in an amusement park and it didn’t work on …
By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. You have a pneumatic forklift with a 2:1 mechanical disadvantage on the …
By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. The diagram below represents a kid’s backhoe for a sand pile. I have …
By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE Given: Hatch door on a car may weigh 889.6 N (200 lb.) uniformly loaded. 2 …
By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. How do you change out a component or filter that is below oil level without …
By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. A gas pipeline was updated in my home area. The work included installing a …
By Erine Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. Many people enjoy using a safe spud gun. Shooting a potato at 100 psi can be …
By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE. What is the maximum theotretical efficiency for extension and retraction? How …
By Erine Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE When you see a vehicle driven on natural gas, do you ever wonder how far it can …