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by jfgw
October 13th, 2019, 11:15 pm
Forum: Building and DIY
Topic: Plumbing - law of unintended consequences
Replies: 6
Views: 367

Re: Plumbing - law of unintended consequences

The washing m/c has an outlet that just hooks over a open vertical outlet pipe There's some stiffened plastic (to keep the curved shape). Is this OK to then plumb directly into an airtight connector? If the machine is connected to a spigot on a sink trap, it is vented via the sink waste/overflow. T...
by jfgw
October 12th, 2019, 11:31 am
Forum: Does anyone know?
Topic: Interaction between taps and lights
Replies: 28
Views: 1499

Re: Interaction between taps and lights

I have a situation where when I switch the bedroom light on or off, the action turns the television from off onto standby. I've always assumed it's an interaction between the low energy light bulbs and the tv frequency. I have heard of this happening with compact fluorescent lamps. They emit some i...
by jfgw
October 11th, 2019, 6:54 pm
Forum: Does anyone know?
Topic: Interaction between taps and lights
Replies: 28
Views: 1499

Re: Interaction between taps and lights

Probably what I said! MR16 are 12V. (Dichroic is just the type of reflector.) This means that they are fed from a box of electronics commonly called an electronic transformer (except by purists). (If the installation is very old, it could be a magnetic transformer.) If your boiler is a combi (one th...
by jfgw
October 10th, 2019, 8:04 pm
Forum: Building and DIY
Topic: Plumbing - law of unintended consequences
Replies: 6
Views: 367

Re: Plumbing - law of unintended consequences

I'm not sure how your washing-machine was plumbed in but there should be a trap (U bend). In almost all cases, the waste is fed either into a standpipe, https://www.screwfix.com/p/mcalpine-standpipe-appliance-trap-white-40mm/94360 , or into a spigot on the sink trap, https://www.screwfix.com/p/mcalp...
by jfgw
September 29th, 2019, 1:12 pm
Forum: Building and DIY
Topic: Making a big hole in a wall
Replies: 15
Views: 903

Re: Making a big hole in a wall

Thank you for your replies. Removing a block first may work, I'm not sure how the hole will line up with the blocks yet. I don't have an alligator saw but these blades for a reciprocating saw get good reviews, https://www.screwfix.com/p/dewalt-dt2422-qz-tct-reciprocating-saw-blade-457mm/2443v althou...
by jfgw
September 27th, 2019, 9:42 pm
Forum: Building and DIY
Topic: Making a big hole in a wall
Replies: 15
Views: 903

Re: Making a big hole in a wall

It is a round hole. The first hole was for a fan. This one is for some ducting to vent outside. I think the wall is about 11 inches including plaster. Thinking about it (based upon a 4" hole I drilled), the blocks are probably hollow. The wall is a bit patchworky (with some brickwork among the ...
by jfgw
September 27th, 2019, 7:41 pm
Forum: Building and DIY
Topic: Making a big hole in a wall
Replies: 15
Views: 903

Making a big hole in a wall

I have a 500mm hole to make in a concrete block wall. Can anyone suggest a good way to do this?

Last time I did something similar (a 400mm hole), I chain drilled using a core drill and finished off with a chisel bit in an SDS drill. It took a long time.

Julian F. G. W.
by jfgw
September 27th, 2019, 12:52 pm
Forum: Beerpig's Snug
Topic: Fake £20s from Newcastle?
Replies: 9
Views: 762

Re: Fake £20s from Newcastle?

https://www.ebay.co.uk/itm/1-x-20-Pound-GBP-Note-Party-Realistic-Prop-Money-fake-PROP-ONLY-Looks-Great/383137734675?hash=item5934c9e013:g:Lz8AAOSwTn1dcPsV 1 x £20 Pound GBP Note Party,Realistic Prop Money fake PROP ONLY Looks Great It appears that listing these as movie props is not against eBay pol...
by jfgw
September 26th, 2019, 8:07 pm
Forum: Does anyone know?
Topic: Interaction between taps and lights
Replies: 28
Views: 1499

Re: Interaction between taps and lights

We really do need more evidence. I was thinking along the lines of a combi boiler cutting in and somehow affecting a (so-called) electronic transformer feeding 12V downlights. Either that or you have gas lights that run off North Sea gas and the extra flow of water increases the gas pressure. Julian...
by jfgw
September 26th, 2019, 7:59 pm
Forum: Building and DIY
Topic: Wiring issue - loft light
Replies: 11
Views: 974

Re: Wiring issue - loft light

Lights generally have a permanent live from fitting to fitting, a neutral from fitting to fitting, and a Switched live which is a wire from the permanent live to the switch(es) then back up the other core in the same cable into the ceiling rose. This switched live (and the neutral are connected to ...
by jfgw
September 26th, 2019, 9:02 am
Forum: Building and DIY
Topic: Wiring issue - loft light
Replies: 11
Views: 974

Re: Wiring issue - loft light

I'd guess the landing light switch is a 2-way linked with a downstairs switch, with the loft light piggybacked onto it. In which case it's probably piggybacked to the wrong terminal(s). If this is the case, try throwing both the downstair and upstair switches to see when the loft light comes on. (T...
by jfgw
September 24th, 2019, 8:19 pm
Forum: Does anyone know?
Topic: Interaction between taps and lights
Replies: 28
Views: 1499

Re: Interaction between taps and lights

Any water or just hot?
What sort of hot water system do you have?
What sorts of lights? Mains or 12V?
CFLs? LEDs?
Any other relevant evidence?

Julian F. G. W.
by jfgw
September 16th, 2019, 12:25 pm
Forum: Does anyone know?
Topic: What's this?
Replies: 16
Views: 1151

Re: What's this?

For about half the price, you can get a stainless steel tweezer type squeezer like this, https://www.amazon.co.uk/TEA-BAG-SQUEEZER-STAINLESS-STEEL/dp/B001EU2FSK . It is: Cheaper; Almost unbreakable; Unlike the one designed by a doctor, it doesn't have any nooks and crannies that are impossible to cl...
by jfgw
September 14th, 2019, 10:44 pm
Forum: Does anyone know?
Topic: What's this?
Replies: 16
Views: 1151

Re: What's this?

Who designed it? William Heath Robinson? It looks a somewhat over-complicated contraption for doing something simple. What is wrong with the stainless steel tweezer type? It makes as much sense as replacing a simple, traditional, reliable toilet syphon with a modern, leak-prone push-button contrivan...
by jfgw
September 14th, 2019, 7:53 pm
Forum: Does anyone know?
Topic: What's this?
Replies: 16
Views: 1151

Re: What's this?

elkay wrote:Looks like it would be useful for squeezing a teabag in a cup of tea.

Or bouquet garni or something similar.

Do the fingers open if you pull the plunger?

Julian F. G. W.
by jfgw
September 14th, 2019, 7:19 pm
Forum: Laughing Lemons
Topic: Solid Gold toilet stolen....
Replies: 23
Views: 1141

Re: Solid Gold toilet stolen....

I suppose nicking a gold toilet beats panning for gold.

Julian F. G. W.
by jfgw
September 14th, 2019, 7:11 pm
Forum: Does anyone know?
Topic: What's this?
Replies: 16
Views: 1151

Re: What's this?

mc2fool wrote:Note that the splines do not open up with pressing or releasing the plunger.

Looking at the photos, it looks like they are meant to open when the plunger is released. I suspect that rust, debris or something-else is preventing the device from opening.

Julian F. G. W.
by jfgw
September 12th, 2019, 10:58 am
Forum: Building and DIY
Topic: Unvented recommendations
Replies: 0
Views: 945

Unvented recommendations

Does anyone have any recommendations for a replacement unvented cylinder please? (Economy 7, no gas). The old Ariston is leaking at both immersion heaters and a couple of other places. A ballpark installation cost (mid-Essex) would be good to pass on (fortunately, I am asking for a friend so I am no...
by jfgw
September 11th, 2019, 6:08 pm
Forum: Games, Puzzles and Riddles
Topic: Adding
Replies: 10
Views: 1192

Re: Adding

Looking at the spoilers, I see that UncleEbenezer got the correct answer quite quickly working in the opposite direction to how I did it. My method: After working out that 1 followed by the same number of 0s as the length of the number we were looking for followed by another 1 was divisible by 89, i...
by jfgw
September 11th, 2019, 5:20 pm
Forum: Games, Puzzles and Riddles
Topic: Adding
Replies: 10
Views: 1192

Re: Adding

Spoiler
.  112359550561797752809 * 99
= 11123595505617977528091


(The dot is to prevent the leading blanks from being stripped.)


Julian F. G. W.

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