Recent Posts

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My TV has a reasonably powerful sound bar and sub that I can play stuff from my phone through, via the magic of Bluetooth.

I just played a snippet of the Bladerunner 2049 soundtrack through it. The experience was seismic enough to activate the motion sensing camera in the garage.
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Racing / Re: Tour de France 2018
« Last post by Mr Larrington on Today at 04:06:52 pm »
We @ P@nd3m1c Pr0duckt10nzTM® sense an opportunity here, albeit 4 different reasons.  Though Bethany (8 ) is already on record as saying that if W Barguil knacks himself out from riding the Giro there will be Trouble.

Edit: I'm going to have to modify my table-generating SCIENCE to cope with Bethany (8 )'s advancing years, because smileys.
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The Knowledge / Re: How might we test a tyre’s wet grip?
« Last post by Cudzoziemiec on Today at 04:06:49 pm »
We're slipping (sorry) off topic here, but disc brakes are likely to reduce the likelihood of wet weather lock-ups, because they behave more predictably in wet weather and with minimal delay. But yes, of course more grip is always a selling point. So are puncture protection, reduced rolling resistance, longevity and of course price. Wet grip probably appeals most to commuters (and to racers and sporty riders, but they're precisely the ones who can change tyres each ride), who also value puncture resistance and longevity. So it's a question of finding that balance for a relatively small market.
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GPS / Re: Garmin eTrex data fields – what have you got?
« Last post by Samuel D on Today at 04:05:38 pm »
The eTrex 20 does indeed have the Glide Ratio field.

The mental gymnastics of converting that into something familar, such as per cent gradient, would be too much for me, I think. Besides, the gradient isn’t all that interesting to me. What is more interesting is vertical speed. The eTrex has a Vertical Speed field too, but the units are not the familiar metres per hour of VAM. Metres per minutes is the closest option, I think. Maybe I’ll try that, though who knows if it’s accurate enough to be useful on an eTrex 20. The eTrex 30 would fare better here.
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The Knowledge / Re: How might we test a tyre’s wet grip?
« Last post by Samuel D on Today at 03:55:36 pm »
I think it’s both convention (based on an understandable objection to fixing punctures in the cold and wet) and because punctures are indeed more likely on wet roads.

However, don’t you think more grip would be a useful selling point if – and this has been the problem – people knew about it?

I wonder how many cycling accidents could have been avoided by a plausible (e.g. 30%) increase in wet grip. I suspect many, based on my own experiences.

And with the move to disc brakes that can offer more bite in the wet, you’d think the market would be ready for something that makes that increased braking power useful.
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The Pub / Re: what I have learned today.
« Last post by Mr Larrington on Today at 03:54:54 pm »
That the short burst of ukelele heard after Vivian Stanshall announces "Over there, Eric Clapton, ukelele" on the Bonzo's "The Intro And The Outro" was played by... Eric Clapton.
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Racing / Re: Tour de France 2018
« Last post by Karla on Today at 03:52:05 pm »
Featuring

- 8 member teams
- Possible echelon-inducing stages following a start in the Vendee and a couple of Brittany stages (starts in Brest and Fougeres) 
- 31km TTT on Stage 3
- Double Mur de Bretagne climb on the Brest stage
- Another unconscious PBP nod with a start at Dreux
- Cobbles Baby! - 21.7kms worth on stage 9 Amiens to Roubaix.
- A Col de la Madeleine/Croix de Fer/Alpe d’Huez stage
- a partly unpaved climb to the Plateau des Glières on the Le Grand Bornand
- a 65km-long mountain stage (ie the stage is that length, it's not a single mountain)
- a 31km hilly TT on the penultimate day

Can't wait.

Predictions:

Geraint Thomas will fall off on the cobbles
Bardet will continue his plateau, and Pinot will continue to be a nearly-Bardet
Uran will miss out on the win due to team members leaving during their funding gap this autumn
Froome will feel a bit old, but so will Nibbles, so Froome will still beat him
Barguil, tomorrow's man, will do the Giro
Quintana, yesterday's man, will fail to feature

I predict a Froome/Dumoulin battle, based on how hilly it is - I haven't looked in detail yet.  TD may well overhaul CF on the final time trial.
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The Knowledge / Re: How might we test a tyre’s wet grip?
« Last post by DuncanM on Today at 03:47:59 pm »
Winter tyres tend to have more puncture protection though. I don't know if that is due to convention, or whether the presence of water acts as an agent to cause more punctures.
Either way, I think it would be a hard sell to get cyclists to pay for expensive winter tyres with minimal puncture protection, on the basis that they grip better.
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The Knowledge / Re: How might we test a tyre’s wet grip?
« Last post by Cudzoziemiec on Today at 03:46:55 pm »
In any case, that^^ is racing. In other situations, we can't change tyres whenever the weather or surface change. A tyre that was totally specific for wet weather would be too much of a compromise in real life road cycling.

You say that, but in much of the civilised world you have to change car tyres for the winter.

J
A perfectly reasonable, twice a year change at predictable times, which many of us do on bikes anyway. Totally different from the motor racing situation in which teams can change tyres on a car several times in each race.
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