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    Just how safe are EVs?

    I work for a National Highways area team and I was formerly a Fireman. I would say that the likelihood of an EV catching fire are significantly less (probable 20 fold less at least) than a conventionally fueled car but the fire, should it occur is exponentially more difficult to deal with due to...
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    amp meter wanted

    I have to ask, what do you need an amp meter for? Clearly you want it for a car but they are of little to no use these days and alternator outputs are extremely high which makes it difficult to be able to wire one in. To give you an example, my car is a BMW 320d and it's alternator is 180 amps...
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    party wall or roof ridge?

    Given the line where the roof tiles change I believe your property was originally part of a larger one that has now been subdivided especially if yours is just the upstairs part? I think the only way to be sure where your property ends is by checking the title deeds which may be with the...
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    Why ? Almighty bang, huge blue flash when I unplugged an electric heater

    High current is great for creating an arc and once the air at the "switch contacts" (in your case the pins on the plug) becomes Ionised, it becomes more conductive. This is the basic principle in arc welding that you strike an arc and then the gap can be increased because of the ionisation of...
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    Balcony query

    I'm certain anybody using the balcony would want privacy and respect your need too. I'd think about a frosted glass screen although I know this would be quite some cost. I think this is something you might be able to come to an arrangement with the new owner when sold because both will benefit.
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    What to fill external chased wall with?

    I would chase out a box for the switch too while it is easy to remedy.......
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    Repair ideas for vertical roof support

    If it were mine, I think I would be tempted to brick up the whole side and put a door in the front where the steps are, subject to permissions. The replacement of the post may well require some improvements/modifications to it's footing, possibly a brick pier.
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    Telephone Headsets

    I have had mastoidectomy surgery on both ears and I would thoroughly recommend bone conductive headphones such as "Aftershokz". I use a set with a microphone that runs via a bluetooth dongle in my work PC. Apart from being able to set the volume very loud, it leaves the ears open so that I can...
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    What do you imagine the world will be like in 100 years?

    It will be largely the same, most of out technological advancements have happened in the last 25 years especially the 1990's. There will be less manual labour jobs and more jobs revolving around leisure or entertainment. People will work less hours and there will be less illness or disease. This...
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    Cutting 3mm steel - jigsaw or angle grinder?

    Using 125mm discs in a grinder designed for 115mm is inherently unsafe, not just because they won't fit inside the guard but due to the higher rotation speed of a 115mm grinder (circa13,000 rpm) vs a 125mm (circa 11,000 rpm. I know it doesn't sound like much but the energy when a disc breaks is...
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    Mains Tyre Inflation

    Ferrex did a mini 240 volt compressor and it was incredibly cheap (I paid £14.99). It actually has some guts to it as a tyre inflator but is quite poor as a compressor for tools. It was discontinued a couple of months ago but there are quite a few appearing on sales or auction sites...
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    Brigg Stratton Quantum XM50 smoke and won't rev on lawnmower

    If it's black smoke and therefore over-fueling the float valve may well be stuck if it's been unused for a while. If your aren't precious about the mower, sometimes just banging the thing down a few steps will free it off. The other possibility is a piece of debris holding the float valve open...
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    Loft radiator needs constant bleeding

    I wouldn't go so far as to recommend trying this but excess use of flux (causing corrosion) or unexpected current flow (causing hydrolysis) through heating parts can cause hydrogen build up which is flammable. As far as current flow I believe the use of a mixed metal and plastic plumbing with no...
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    Ukraine counter offensive

    The Russians would never tell porkies would they?
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    Tyre tax anyone?

    It is possibly unfair to bring up the Nissan Leaf but that is a car well known for severe battery degradation. moving to the other end of the EV scale though I follow Gruber Motors and their Youtube channel and as well as more Tesla batteries failing it highlights the attitude of manufacturers...
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    Tyre tax anyone?

    The daft thing is, the trend for extreme high power outputs was started by Tesla and is, possibly, a marketing ploy to win over EV's. I reckon the trend will gradually fade though because rather than spend £70 k on a car that has two or even three motors and goes incredibly fast, people would...
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    Tyre tax anyone?

    I doubt the performance is too much of a concern (although time will tell) as most of the vehicles that do have the very high outputs also have some very advance driver safety aids, especially the Tesla's. These aids will continue to get more sophisticated and are also likely to communicate with...
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    Tyre tax anyone?

    EV's almost always wear tyres out quicker than I.C cars. They have considerably higher torque outputs from zero rpm often run with narrow tyres. Conversely their brakes last considerably longer due to the regen system meaning less need for braking to slow the vehicle down. The tyre wear...
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    Brake piston retraction

    I believe you may be misleading yourself on how an integrated parking brake caliper actually works vs why the piston requires rotating to get to to go back in but essentially the rotation of the parking brake lever does not rotate the piston, rather there is an adjuster behind the piston that is...
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    Locks on cars

    You need a decent auto locksmith, one that can recode and clone ECU's. As well as physically replacing locks, they can program the cars ECU to forget any keys that currently have their transponder coded to it. They can then code the ecu to re-learn new transponder keys. A main dealer will also...
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