Thread Number: 16679
Are manufacturers wasting money on electronic wattage adjustment controls ? |
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Post# 177877   4/21/2012 at 18:03 (4,358 days old) by jmurray01 (Scotland)   |   | |
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I know they do have their uses, and personally I think they are a good feature, but I know a lot of people prefer manual suction adjustment (a valve somewhere in the suction path that can open and close, such as the one in the Electrolux 500 Series, apart from the 560 of course) or no adjustment at all.
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Post# 177881 , Reply# 2   4/21/2012 at 18:55 (4,358 days old) by jmurray01 (Scotland)   |   | |
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I take it you mean the Pure Power when you say HOOVER'S 2100W cleaner ?
I hate it when Vacuum Cleaners don't have any means of changing the wattage. Electronic adjustment is what I prefer, but if manual adjustment is all there is, I'll be greatful and accept it, but no adjustment at all... No, I don't think so! One thing I don't like (not so much don't like but don't get) is having electronic adjustment AND manual adjustment. My 2004 Panasonic MC-E8011 has the two adjustment methods, and I just find the valve redundant, when there is electronic adjustment, and vice versa. |
Post# 177884 , Reply# 4   4/21/2012 at 19:06 (4,358 days old) by Rolls_rapide (-)   |   | |
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Yes. |
Post# 177910 , Reply# 6   4/21/2012 at 22:58 (4,358 days old) by sebo_fan (Scotland, UK, member AKA ukvacfan, & Nar2)   |   | |
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I prefer electronic adjustment - as Rolls_Rapide notes with turbulence - however, not only that - some manual adjustments allow a cut in the suction airflow, thus reducing the suction that comes out of the machine AND dust escaping as it flies past the open hole on the way to the bag. Not particularly handy and some manual adjusters are so poorly placed - I can recall finding the manual suction valve on the base of the Hoover Slalom - it was clearly an afterthought on Hoover's part and why they put it on the sole plate was beyond me!
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Post# 177950 , Reply# 7   4/22/2012 at 05:28 (4,358 days old) by jmurray01 (Scotland)   |   | |
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Post# 178046 , Reply# 8   4/22/2012 at 14:34 (4,357 days old) by fan-of-fans (USA)   |   | |
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Variable wattage controls have never been a common feature on vacuums here in the USA as far as I know. Really 'wattage' was never a big feature point of machines here. That measurement is used more for heat producing appliances, speakers, and lightbulbs. Amperage is the big vacuum term here in the US, although older vacuums tend to give wattage on their rating plate, while later ones give the amperage.
I think some very high end Hoover and Eureka canisters had variable speed control and a few TOL Kenmores. Uprights never really have had such controls, other than those with two speed motors. Since Hoover and Eureka mostly only offer basic straight suction compact canisters now, there are next to no variable speed vacuums in the big box stores. For the most part it is just Miele and I believe most of the current Kenmore Progressive and Intuition canister line, and a Dirt Devil canister that offer this. I have never used a machine with variable speed control. I would think it would be preferable to a suction regulator valve. Power consumption and noise level can be reduced with a variable speed motor. The only time I open the suction regulator on my vacuums is when I want to do very light dusting of something or occasionally when using the crevice tool. A few times I was vacuuming carpet with my Kenmore Whispertone canister and realized after I had vaccuumed most of it that I had left the the suction control open! |
Post# 178054 , Reply# 9   4/22/2012 at 15:20 (4,357 days old) by gsheen (Cape Town South Africa)   |   | |
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Post# 178213 , Reply# 12   4/23/2012 at 19:04 (4,356 days old) by sebo_fan (Scotland, UK, member AKA ukvacfan, & Nar2)   |   | |
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Post# 178215 , Reply# 13   4/23/2012 at 19:06 (4,356 days old) by sebo_fan (Scotland, UK, member AKA ukvacfan, & Nar2)   |   | |
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Post# 178219 , Reply# 14   4/23/2012 at 19:15 (4,356 days old) by sebo_fan (Scotland, UK, member AKA ukvacfan, & Nar2)   |   | |
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When I think back to my old 'Lux Z500 with its manual air valve dial, one could just say that this was a more obvious way of allowing airflow to escape = same with the air valves on many other brands. SEBO don't have them on their vacuums though - if you want lower power you just set the machine at the lowest.
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Post# 178277 , Reply# 15   4/24/2012 at 07:13 (4,356 days old) by jmurray01 (Scotland)   |   | |
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Post# 178384 , Reply# 16   4/24/2012 at 15:59 (4,355 days old) by vintagerepairer (England)   |   | |
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Regarding the Electrolux 500.It wouldn't as it didn't have that much power behind it. The hose on many cylinder cleaners had a lot of powerful suction going up the tube. That is where the noise comes from. |
Post# 178386 , Reply# 17   4/24/2012 at 16:05 (4,355 days old) by jmurray01 (Scotland)   |   | |
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