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 (261 days old) 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 (260 days old) by panasonicvac (Seattle, 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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