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   alt.electronics      Electronics design, repair, worship, etc      7,706 messages   

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   Message 7,021 of 7,706   
   rickman to James Wilkinson Sword   
   Re: Running an empty microwave oven   
   31 Dec 17 23:44:33   
   
   XPost: sci.electronics.equipment   
   From: gnuarm.deletethisbit@gmail.com   
      
   James Wilkinson Sword wrote on 12/31/2017 6:39 AM:   
   > On Sun, 31 Dec 2017 00:59:45 -0000, rickman  wrote:   
   >   
   >> James Wilkinson Sword wrote on 12/30/2017 6:45 PM:   
   >>> On Sat, 30 Dec 2017 22:33:26 -0000, rickman  wrote:   
   >>>   
   >>>> James Wilkinson Sword wrote on 12/30/2017 3:56 PM:   
   >>>>> On Sat, 30 Dec 2017 20:48:34 -0000, rickman  wrote:   
   >>>>>   
   >>>>>> James Wilkinson Sword wrote on 12/30/2017 3:34 PM:   
   >>>>>>> On Sat, 30 Dec 2017 20:31:14 -0000, rickman  wrote:   
   >>>>>>>   
   >>>>>>>> James Wilkinson Sword wrote on 12/30/2017 9:37 AM:   
   >>>>>>>>> On Sat, 30 Dec 2017 05:39:04 -0000, Robert Baer   
   >>>>>>>>>    
   >>>>>>>>> wrote:   
   >>>>>>>>>   
   >>>>>>>>>> James Wilkinson Sword wrote:   
   >>>>>>>>>>> On Thu, 28 Dec 2017 03:59:42 -0000, Robert Baer   
   >>>>>>>>>>>  wrote:   
   >>>>>>>>>>>   
   >>>>>>>>>>>> James Wilkinson Sword wrote:   
   >>>>>>>>>>>>> On Tue, 12 Dec 2017 03:49:55 -0000, rickman    
   >>>>>>>>>>>>> wrote:   
   >>>>>>>>>>>>>   
   >>>>>>>>>>>>>> James Wilkinson Sword wrote on 12/11/2017 11:50 AM:   
   >>>>>>>>>>>>>>> On Mon, 11 Dec 2017 04:07:43 -0000, Mary-Jane Rottencrotch   
   >>>>>>>>>>>>>>>  wrote:   
   >>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>> On 2007-01-19 12:13, Peter Fucker wrote:   
   >>>>>>>>>>>>>>>>> Is it really true that turning on a microwave with nothing   
   >>>>>>>>>>>>>>>>> in it   
   >>>>>>>>>>>>>>>>> will   
   >>>>>>>>>>>>>>>>> break it?   
   >>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>> Derp.   
   >>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>> It was a sensible question.  This could be done by accident.   
   >>>>>>>>>>>>>>   
   >>>>>>>>>>>>>> I interviewed with a place once that was doing something with   
   >>>>>>>>>>>>>> testing   
   >>>>>>>>>>>>>> microwave ovens.  They ran them all the time with nothing in   
   >>>>>>>>>>>>>> them.   
   >>>>>>>>>>>>>> I had   
   >>>>>>>>>>>>>> always read that you should not operate them with nothing to   
   >>>>>>>>>>>>>> absorb the   
   >>>>>>>>>>>>>> energy and mentioned that.  I got a strange look from the guy.   
   >>>>>>>>>>>>>> Obviously   
   >>>>>>>>>>>>>> the energy that would be absorbed is within the limits of what   
   >>>>>>>>>>>>>> the   
   >>>>>>>>>>>>>> ovens   
   >>>>>>>>>>>>>> were designed to get rid of.   
   >>>>>>>>>>>>>   
   >>>>>>>>>>>>> You'd think there would be something that absorbs microwaves that   
   >>>>>>>>>>>>> miss   
   >>>>>>>>>>>>> the food.  And you'd think such a thing would have a thermal   
   >>>>>>>>>>>>> cutout.   
   >>>>>>>>>>>>> Anybody want to try it?   
   >>>>>>>>>>>>>   
   >>>>>>>>>>>>    IDIOT!   
   >>>>>>>>>>>>    ain't nuttin that "absorbs" the energy.   
   >>>>>>>>>>>>    Ask how the maggie works with highly mis-matched loads (hi   
   SWR).   
   >>>>>>>>>>>   
   >>>>>>>>>>> I went for an interview in a place that designed industrial   
   strength   
   >>>>>>>>>>> magnetron.  There IS a block to absorb energy.  A microwave oven   
   >>>>>>>>>>> without   
   >>>>>>>>>>> one is VERY badly designed.   
   >>>>>>>>>>>   
   >>>>>>>>>>    Rule of thumb or any commercial (= = volume) item is: for every   
   >>>>>>>>>> fifty   
   >>>>>>>>>> cent cost to make, selling price must go up by five dollars (cars,   
   >>>>>>>>>> toys,   
   >>>>>>>>>> etc).   
   >>>>>>>>>>    Industrial grade magge-powered ovens cost a lot more than the   
   over   
   >>>>>>>>>> the counter el-cheapos that the great unwashed buy.   
   >>>>>>>>>   
   >>>>>>>>> Why would you need to make $4.50 extra because you spend $0.50 more   
   >>>>>>>>> on the   
   >>>>>>>>> production?   
   >>>>>>>>   
   >>>>>>>> I don't know that it is 10 to 1, but the $0.50 higher production cost   
   >>>>>>>> means   
   >>>>>>>> the price is elevated at each step of the distribution process.  Most   
   >>>>>>>> costs   
   >>>>>>>> of handling, storage, promotion and retailing are allocated by price.   
   >>>>>>>> Raise   
   >>>>>>>> the price from the manufacturer by 10% and the final sale price also   
   >>>>>>>> goes up   
   >>>>>>>> 10%, not the exact dollar rise of manufacturing.   
   >>>>>>>   
   >>>>>>> It costs no more to shift a microwave oven through the retail system   
   >>>>>>> if a   
   >>>>>>> component inside it costs $0.50 more.  If I was a shop selling   
   >>>>>>> microwaves,   
   >>>>>>> I'd want a fixed profit per unit, not a percentage.   
   >>>>>>   
   >>>>>> But you are not a shop selling microwaves or anything else most likely   
   or   
   >>>>>> you'd be out of business quickly.  I suppose you might do OK selling   
   >>>>>> gravel.   
   >>>>>>   
   >>>>>> Virtually every retail establishment has costs which *do* vary with the   
   >>>>>> selling price of a unit.  Which do you think sits on the shelf longer,   
   >>>>>> the   
   >>>>>> $100 microwave "marked down" to $69 or the $399 unit?  That shelf space   
   >>>>>> costs money, advertising costs money, heating, cooling and lighting the   
   >>>>>> store costs money.  Sometimes the store has their own capital tied up in   
   >>>>>> the   
   >>>>>> goods (not Walmart, it's yours until it is sold) and a higher profit   
   >>>>>> is the   
   >>>>>> only reason for selling higher priced goods that take longer to shift   
   and   
   >>>>>> sell fewer.   
   >>>>>>   
   >>>>>> Do you really not see this?   
   >>>>>   
   >>>>> I would imagine they both sit on the shelf for the same amount of time,   
   or   
   >>>>> they're badly priced.   
   >>>>   
   >>>>    Ok, I suppose you know more than the retailers.   
   >>>   
   >>> Tell me why they want to make fuck all on cheaper ones that take up the   
   same   
   >>> store space.   
   >>   
   >> Why does a supermarket sell name brand and store brand at a much lower   
   >> price?  Why do they sell luxury cars and economy cars?   If they make the   
   >> same profit on every car regardless of selling price, why bother with the   
   >> expensive ones?   
   >   
   > Half their customers like expensive goods, half like cheap goods.  It   
   > doubles the sales if you provide both.   
      
   So they don't care if they have to inventory a lot more dollars for the same   
   return?  You don't understand retail.   
      
   --   
      
   Rick C   
      
   Viewed the eclipse at Wintercrest Farms,   
   on the centerline of totality since 1998   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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