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Re: 1.5 or 1.75"

CTC Forum - Touring & Expedition - 13 August 2014 - 3:48pm
Bike-Rich wrote:Thanks, i'd not considered the Supreme before.
Just looking at some reviews for it though and although positive, it recommends not using with a dynamo (which I have), any reason for this?

Thanks,

I have supremes they are excellent. Mine are 1.6" and weigh about 450g each. they have done 10,000 miles over all surfaces including tracks and forest trails - but true rough stuff is best avoided. The dynamo remark relates to those bottle dynamos that rub a wheel against the sidewall. Some tyres have a track or reinforcing. The sidewall of the supreme would be vulnerable long term. Of course it is fine with hub dynamos.

Re: 1.5 or 1.75"

CTC Forum - Touring & Expedition - 13 August 2014 - 3:36pm
Thanks, i'd not considered the Supreme before.
Just looking at some reviews for it though and although positive, it recommends not using with a dynamo (which I have), any reason for this?

Thanks,

Re: Rance Tidal Barrage

CTC Forum - Touring & Expedition - 13 August 2014 - 3:35pm
I too recall it was not a very nice place - I walked across, on the path and there were lots of fishers with their attendant gubbins - nice view though... worse though were the apporaches which carried heavy traffic.
A recent post refers to the St Malo / Dinard ferry as being easy access
viewtopic.php?f=16&t=88372#p809540

Re: 'Cyclists Dismount', should we?

CTC Forum - On the road - 13 August 2014 - 3:31pm
thirdcrank wrote:TonyR wrote: ... You'd be surprised. Its more common than you might think. You'd think there might be a central warehouse from which they could order standard signs but apparently not. IIRC we had a load of wrong way cycling penalties cancelled locally a few years ago because the diameter of the No Entry sign was wrong.

Without knowing the details of a particular case, it's hard to comment, but a sign of the wrong size in one location might be OK in another.

Nope. For a No Entry sign TSRGD specifies that it can only be 270, 450, 600, 750, 900 or 1200mm diameter with no variants permitted.
http://www.legislation.gov.uk/uksi/2002 ... 113_en_034

eg Speed limit repeaters on motorways are the same size as the ordinary signs at the start of an ordinary speed limit and, in any event, the diagram number of a sign only specifies its design (shape, colours and logo) rather than its size.

Nope again. The speed limit sign can only be 300, 450, 600, 750, 900, 1200 or 1500mm diameter with no permitted size variants. The national speed limit sign can be any of those except 300mm with no variants.
http://www.legislation.gov.uk/uksi/2002 ... 113_en_064

Re: Rance Tidal Barrage

CTC Forum - Touring & Expedition - 13 August 2014 - 3:25pm
We cycled across this last week from East to West. Yes the road was busy but going down the hill was fast and very little traffic came past us. We stopped at the EDF energy visitor centre (loos and water available) which was interesting and cycled up the hill after the bridge was lifted thus having an empty road. There were 5 of us and it would have been close to £50 for the ferry.

Re: 'Cyclists Dismount', should we?

CTC Forum - On the road - 13 August 2014 - 3:13pm
TonyR wrote: ... You'd be surprised. Its more common than you might think. You'd think there might be a central warehouse from which they could order standard signs but apparently not. IIRC we had a load of wrong way cycling penalties cancelled locally a few years ago because the diameter of the No Entry sign was wrong.

Without knowing the details of a particular case, it's hard to comment, but a sign of the wrong size in one location might be OK in another. eg Speed limit repeaters on motorways are the same size as the ordinary signs at the start of an ordinary speed limit and, in any event, the diagram number of a sign only specifies its design (shape, colours and logo) rather than its size. I wasn't talking about errors like that but DIY variations to the TSRGD diagrams.

There is, of course, plenty of well- reported loopholery around traffic signs.

Re: 'Cyclists Dismount', should we?

CTC Forum - On the road - 13 August 2014 - 2:48pm
thirdcrank wrote:I think it would be unusual - as in extremely unlikely - that a highway authority would put up a sign of the wrong design.

You'd be surprised. Its more common than you might think. You'd think there might be a central warehouse from which they could order standard signs but apparently not. IIRC we had a load of wrong way cycling penalties cancelled locally a few years ago because the diameter of the No Entry sign was wrong.

Re: Devon C2C

CTC Forum - Touring & Expedition - 13 August 2014 - 2:36pm
Hi,
honesty wrote:Ive done the Tarka trail on 25mm and 28mm tyres. Its bumpy but do-able, you just need to be alert and steer around the largest rocks/holes.
Yes do-able I was just suggesting what the run of the mill cyclist would expect.
On the tarka at the barstaple end where its very busy all maner of bikes you will see but on the dark damp rocky parts very few cyclist as its too far from civilisation so to speak, also with narrower tyres your speed would also be hampered
I use my tourer for every terrain but the tyres do suffer many nicks from the flints.
A seasoned rider would fair OK and also younger would not be phased by a odd bump or two, the OP should not be put off if they have 28's but 25's...............maybe a good tread and puncture protection would be ok but I would say be prepared for mishaps.
Mick F's already sampled these so called cycle paths on his 23's and he's not liking them.............
Me I will do anything, I find the off tarmac stuff interesting.

Re: 'Cyclists Dismount', should we?

CTC Forum - On the road - 13 August 2014 - 2:20pm
I think it would be unusual - as in extremely unlikely - that a highway authority would put up a sign of the wrong design. This is because the road plan specifies the diagram number as in TRSGD. They don't specify say, a "no cycling" sign and then leave that to somebody else's artistic licence. NB I'm not saying that the wrong diagram is not specified, or that signs are not left in place long after a road layout has been altered.) IIME non-compliant signs are much more likely to be found on private property eg supermarket car parks.

Re: Devon C2C

CTC Forum - Touring & Expedition - 13 August 2014 - 2:09pm
Ive done the Tarka trail on 25mm and 28mm tyres. Its bumpy but do-able, you just need to be alert and steer around the largest rocks/holes.

Re: Ten Miles a Day

CTC Forum - On the road - 13 August 2014 - 2:06pm
Hi,
Well I am hovering at 13m/day and I am not sure If I will improve on it that much, ride today puts me down to 79 % Max HR so winter is coming

Re: Devon C2C

CTC Forum - Touring & Expedition - 13 August 2014 - 2:02pm
Hi,
On honesty's map showing a short cut below peter tavy which goes from the A386 above Tavistock to the cross roads at Moor Shop B3357, Tavistock to Princetown road.
I got this wrong I was thinking of the short cut that goes east of peter tavy which leads to Lower Godsworthy and linked to Higher Godsworthy via a farm track which is actually a bridle path on the map but you could easily drive your car along it it.
This short cut avoiding Tavistock honesty's route and mine further east which brings you out on Pork hill 2/3rds of the way up.
Its out of the way for a c2c ride and is actually (mine) a rather adventurous hilly ball breaking detour , sorry to confuse.
I need also to check the other part, well I have, and mentioned an off road bit between Mary tavy & Peter Tavy this also is one of my gravel track routes which I often use as it more interesting, I dont think that it is on the route at all sorry again.
Anyone wanting an adventure may like to use the bridle path between Mary and Peter Tavy going south and at the end is a Pub
The godsworthy route is also a bridle path but a wide track, both you can do on a road bike in the dry with say 32 mm tyres and I have seen road bikes on the Mary tavy bridle path which makes me remember the horrified riders who were blastpheming that it was a cycle route
I need to check that part again............

To do the C2C your need 32 mm at a minimum if you plan the Tarka & Drakes trails I.M.O. as I have done it on 37's and it was a bit bumpy, though I was traveling faster than your usually sunday riders
Mick F would probably be ejected out of his brooks If he did the Tarka or even Clearbrook part of Drakes trail

Re: Cyclist dies on Surrey 100

CTC Forum - On the road - 13 August 2014 - 1:47pm
TonyR wrote:Twelve young people die suddenly each week through cardiac problems that can be easily diagnosed.

They can be easily diagnosed, yes - once you think to look. An ECG at our GP's place costs around 75€, enough to put off most casual demands (OK, you get it back from the Social Security, but still). And someone who's felt healthy all his life would hardly think of asking.

In 2007 I did a 1000k Audax with a climb up the Tourmalet followed by PBP, and a month later did my best ever time up the Ventoux. In November I had a stress test that picked up a constricted artery, later fixed with a stent. I had been planning to do LEL in 2008: the cardiologist cheerily informed me that undiagnosed I'd probably have died doing it. Last year the doc who looks after my gammy ankles keeled over with cardiac arrest at a family gathering: if his wife hadn't been an anaesthetist and known what do he'd have been out of it. He was a veteran 100 cols rider whose idea of a holiday was to ride the Pyrenees one end to the other.

Re: Cyclist dies on Surrey 100

CTC Forum - On the road - 13 August 2014 - 1:22pm
If it's ECG levels of simplicity then it would only take a day or so to do a whole school year at most schools - well worth it.

From: https://www.whatdotheyknow.com/request/ ... _in_uk_200

It appears that there are about 800k children of any given age (assume low mortality and balanced migration).
We'd therefore be screening 800k people, assuming we pick up 12 that's a terribly low percentage.
What's the false positive rate? False negative?

Re: Cyclist dies on Surrey 100

CTC Forum - On the road - 13 August 2014 - 1:00pm
Ayesha wrote:Should there be 'qualifiers' for large over-subscibed Sportive and charity rides?
Like letters of reference from Club secretaries, or a recent Audax medal?

How do the organisers know the entry is capable of finishing? Or do they care?

This is a much bigger issue than this event. Twelve young people die suddenly each week through cardiac problems that can be easily diagnosed. Before our kids took up sport seriously we had them CRY screened and got the all clear but you have to pay for it. There should be much better availability of screening for all school kids - its as easy as having an ECG taken.

For the event itself its very difficult for the organisers to do anything other than offer advice and the risk is very low - about a 1 in 80,000 probability

Re: Ten Miles a Day

CTC Forum - On the road - 13 August 2014 - 12:50pm
No miles over the weekend. Marshalled at an Audax.

Average down below 24 now at 23.9

Clee to heaven Audax on Saturday though, which should get me back over 24.

Re: 'Cyclists Dismount', should we?

CTC Forum - On the road - 13 August 2014 - 12:44pm
IIRC, a rectangular sign is an ‘Information’ sign.

The sign in question informs the cyclist it would be a good idea to dismount, so avoiding collision with a pedestrian, perambulator or tartan shopping trolley.
When there are no pedestrians, perambulators or tartan shopping trollies, there is no reason to follow the sign’s suggestion.

They are a product of the golden ‘Job’sworth’ capped council street planning officer.

Any semi to high intelligent cyclist will know not to ride into a pedestrian, perambulator or tartan shopping trolley.

Re: Cyclist dies on Surrey 100

CTC Forum - On the road - 13 August 2014 - 12:42pm
I remember doing some fag packet maths based on the number of runners in marathons and the number of deaths running them.
Whilst it was rough and ready the conclusion I came to was that the number of deaths was proportionally less than the number who died not running (and by a decent factor iirc).
Which meant you were safer running a marathon.

Be interesting to plug some 'proper' numbers in and see if this is actually true.

Re: Cyclist dies on Surrey 100

CTC Forum - On the road - 13 August 2014 - 12:36pm
Given that many people build up to these rides as a target or sign themselves up as a challenge, requiring previous experience of riding that distance might be counter-productive.

Re: Cyclist dies on Surrey 100

CTC Forum - On the road - 13 August 2014 - 12:27pm
Colin_P wrote:The thing that gets me about this case though is the time it took to get a defib on the scene.

Its not clear that that would have made any difference:

"Cardiac rapid response units and the use of portable defibrillators have contributed to the survival of many people who have collapsed with ventricular fibrillation. However, in cases of sudden cardiac death, the heart appears to be resistant to attempts at resuscitation using methods based on current knowledge. Early defibrillation in these cases rarely results in survival."
http://en.wikipedia.org/wiki/Sudden_cardiac_death
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