Thread Number: 33927  /  Tag: Recent Vacuum Cleaners from past 20 years
Panasonic Performace Plus Platinum Airflow Losses
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Post# 368092   3/8/2017 at 19:41 by wyaple (Pickerington, OH)        

wyaple's profile picture
The first two measurements were easy to get, the last one (CFM at the nozzle) required me to build an airflow box. I think this pic should easily illustrate where and by how much CFM is lost in this machine. I think this is good performance from a 2000's bagged cleaner.

From the base of the machine through the hose to the head assembly, there is a loss of 127-103 = 24 CFM. From the hose connection to the nozzle, there is a loss of 103-65 = 38 CFM.

Total airflow losses from the canister base to the power nozzle (held at a 45 degree angle to the floor) is 127-65 = 62 CFM or about 49% of the original airflow.

Last note: the rug plate opening is slightly larger than average (about 27 square inches), but CFM density is slightly below average, about 2.4 CFM/Sq. In. If you ever wondered if this expensive 12 Amp beast was capable of deep cleaning, I would argue it probably would be, but you might have to go over the same spot more than once.

Bill





Post# 368106 , Reply# 1   3/8/2017 at 23:17 by panasonicvac (Easton, Washington)        

panasonicvac's profile picture
These were excellent cleaners. My buddy from my old vacuum store would always demonstrate these by using black sand on a white rug and see the agitation of the dirt bouncing out.




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