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In particular, he is said to be concerned about cyclists riding at speeds above 20mph, which he claims they can “easily exceed” – even though the speed of e-bikes legal for road use, for instance, is capped at 15.5mph, and the vast majority of people riding bicycles would never approach such a...

Grant Shapps: Cyclists should have number plates, be insured and subject to speed limits

There are probably quite a lot of different ways of doing DPI crack detection without buying the proper materials. For example, red drain tracing dye, red food dye, and red fabric dye are all readily available. And as another forum member suggested, a thin dusting of talcum powder might work...

In my case the crack was preceded by wrinkled paint, which means the metal is starting to yield. That was on a steel frame, not sure if it happens with aluminium.

Defence, Nuclear and Aerospace probably don't care about that much, and they buy in bulk anyway. Where I used to work they were buying hundreds of cans at a time.

If you buy that set I think the correct order should be: Cleaner - Dye - Wait for penetration - Cleaner to wipe off dye - Wait to dry or wipe dry - Developer - Wait for bleed out In industry they would have an established method that is proven to detect cracks. For example, 15 minutes to allow...

LOL! Unfortunately I can't understand the text! But the English on the cans looks like what I'd expect.

Magnetic Particle Inspection (MPI) 1. Apply a strong electromagnet across a suspected crack. 2. Puff some fine, brightly-coloured magnetic powder over the suspected crack. 3. If a crack is present there will be miniature north and south poles on the crack edges that will attract the magnetic...

All three in one set! https://www.ebay.co.uk/itm/185421615636

Dye Penetrant Inspection (DPI) 1. Paint on a strong dye liquid (usually deep red). 2. Leave the dye to penetrate any cracks that may be present. 3. Wipe off the dye as thoroughly as possible using paper towels and solvent. 4, Spray white paint over the location. 5. If a crack is present the dye...

I think the disparity is because the average jury consists of motorists who are of the mind that 'accidents happen', and with respect to the motorist they might well be thinking 'that could have been me in the dock'. Some kind of training is required before juries hear these cases, because most...

I did a little cycle touring in France a long time ago, and was impressed by how much more considerate the average French driver was than motorists back home. I think it helps that cycling is the national sport in France, although I'm sure they're now getting rather fed up with the long wait for...

Just wait until you see the queue and spectators around one of these machines on a Friday or Saturday night!

Once the law changes it's only a matter of time before a cyclist leaves the scene of an accident. A single case will then be used to try and ram through mandatory registration and licence plates for bikes. You just know it's gonna happen, because the people who hate cyclists will be even more...

The best commuting and low maintenance build is undoubtedly single speed with belt drive. There's no chain to oil and no mess or rust, EVER! If you must have gears then the best commuting and low maintenance build is belt drive with hub gears.

Ah, never mind. Probably won't work unless the frame is respaced.

By the way, on the Alfine 8, direct drive is 5th gear.

I have used an Alfine 8 hub. I think they're reasonably well built and nice to use. And unlike the 11 speed version of the Alfine, the Alfine 8 has a gear that is direct drive (1:1). I always suggest setting up the gearing so that the direct drive gear is comfortable for cruising on the flat and...

https://www.ebay.co.uk/itm/265828779987

It's back to the 18th century for the composition of this one. This organ has such a fantastically rich sound, which is hardly surprising as it has hundreds of pipes (both real and digital). Händel - Largo from "Xerxes"