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Forum 141

Tech Chat Give it a thump!

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slidertogrid
(@slidertogrid)
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Mike's comment on the thread about OC tube heaters,  " a length of dowel sticking out the back so the AC/TP could be given a tap when needed." Has reminded me of occasions in the past when a good clout does the trick!  No doubt we have all seen a customer who cures their TV problem by giving it a clout on top. In the latest series of "The Crown" on Netfix the Queen Mother is seen to give a TV a thump when it was playing up, she was reprimanded by the Queen. " Mother don't do that ! Its rented!"

As a kid I saw a Murphy TV  with a large nut fixed to a pivot made of Meccano over the tube neck with a string attached to it which exited through a vent hole in the back so that the intermittent tube could be tapped by remote control! 

Later on my cousin ran an elderly Morris Minor, in which the fuel pump was prone to stopping. It was electric and conveniently mounted on the bulkhead behind the speedo he rigged up a hammer pivoted over it with a string through the back of the speedo so that when the car lost power he could give it a clout and start it ticking again! I visited and fitted a new set of points to the pump which provided a better solution! 

The fuel and temp gauges on my BMW E30 occasionally play up a sharp rap on the dash puts them right! 'loose nuts' is the problem I'm told...

But the 'Best clout device ever' award has to go to a neighbour of my mum's. He is a nice enough chap but a little eccentric, the house he lives in hasn't had any work done for decades and looks pretty derelict. In his kitchen was a thick length of string, it came out through a vent in the wall and was tied to the curtain rail. It went through to the garage where the central heating boiler was situated. When he wanted hot water he would turn on the tap and pull the string. There was a distant thud...

The problem was that the boiler needed a thump to get it to start, so hanging in front of it was a small bag of sand. When he pulled the string the bag swung back and when released clobbered the front of the boiler prompting it into life!  This arrangement had worked well for years by all accounts!  W. Heath Robinson would be so proud! 

 
Posted : 31/10/2023 9:38 am
Lloyd reacted
Lloyd
(@lloyd)
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That one about the boiler is very ingenious!

I remember my Nan and Grandad had a Korting Nimbus telly back when I was little, and every so often the picture would turn blue, looked like a total loss of red and green, my Grandad would get up and give it a thump on top which would bring back normal operation! They put up with it for years, until they were offered a new set by my great uncle, my grandad wouldn’t spend any money on anything unless it was either really cheap, or totally knackered!

I used to ‘repair’ my bedroom lights by whacking them… they were those MR16 12V halogen bulbs, when they died you could normally get some more life from them by giving them a damn good thrashing! Those bulbs lasted absolutely ages! I also did the same to one of my car headlights when it failed one morning, whacked it and it came back on! I bought some new bulbs, but it lasted a good few weeks before it needed changing.

 
Posted : 31/10/2023 10:20 am
sideband
(@sideband)
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I'm doing that with the motorised valve on the CH system....It gets stuck and we only get hot water. Give it a sharp thump and it starts whirring away and then satisfying clicks as the switches make contact and the pump starts. The manual override doesn't seem to work so at the moment, a thump is the best solution until I get the contractors out to fix it..... 

 
Posted : 31/10/2023 2:10 pm
Doghouse
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In that vein I can recall something similar from the early sixties when I was about 23.

I managed a branch of a chain of TV and electrical appliance stores, in Edmonton North London..

In those days, they were self-sufficient. I had a salesman, a cashier, an engineer and a driver. I was the oldest. We were very busy.

We did a lot of part exchange deals on certain TVs, like, "£20 for your old set when you buy  this (whatever)...." The firm had always got these lines of sets at a good price, so the PXs that came in were usually rubbish and were to be scrapped. But my engineer (a life-long friend) was really good at his job and some he could get going again.

We had an arrangement with the barber across the road, where we'd sell him  one or two of these sets a week for a few quid, he'd sell them to his customers for a bit more, so we all made a few bob. The really rubbish sets, once a month the driver would take  down to the local tip in our new Ford Thames van and hurl them out of the back onto a pile of other rubbish, whilst the tip workers stood round and watched.

He had to take the van onto the weighbridge each way for them to calculate the charge for the weight then go into the office to pay. On his return one month,  he reported, "You know all those junk sets I threw on the tip last time?

Well they've got one up on a shelf in the cabin and it's working."

 
Posted : 31/10/2023 10:04 pm
peterscott
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Posted by: @sideband

I'm doing that with the motorised valve on the CH system....It gets stuck and we only get hot water. Give it a sharp thump and it starts whirring away and then satisfying clicks as the switches make contact and the pump starts. The manual override doesn't seem to work so at the moment, a thump is the best solution until I get the contractors out to fix it..... 

I recently had a problem with a motorised valve and watching YouTube video showed me that the motor is only held in place by a single screw. Mine was slack and tightening it cured the problem. No need to do more than remove the lid to access it.

Peter

 

www.nostalgiatech.co.uk

 
Posted : 07/11/2023 4:19 pm
Doghouse
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Two years ago ago, I  bought a couple of Elixir  thermostatically controlled tubular heaters for my two vinyl jukeboxes which live in our unheated summerhouse.

Before, I was using 60w incandescent lamps inside them to stop them getting too cold in the winter,  but I thought the heaters would be more reliable.

They have an automatic shut off.

Problem was, one shut off at the beginning of this year, but wouldn't come on again. So I gave it a thump and then it did.

 

 

 

 
Posted : 08/11/2023 10:51 pm
slidertogrid reacted
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