(26-07-12, 08:46 PM)VNA link Wrote: It's all relative. Sure a can, or a few cans of coke will hydrate you (not de-hydrate you), both the sugar and the caffeine may perk you up a bit, but not for long, and of course all that sugar is bad for you, so best avoided unless you need a quick sugar buzz. .
You've got the wrong end of the stick, the cola mixture is not meant to be some sort of idealistic tonic. You need the salt to promote the osmotic process in your gut, this is how your body absorbs water and cola is the most easily available delivery system for it, simply because it is indeed sugary and takes away the taste. If you have someone suffering from heat exhaustion and dehydration they are invariably a little 'testy' and will be loathe to drink salty tasting water, they'll probably refuse to drink more than a sip (and of course it can make them throw up)
Another interesting thing about caffeine is that if you drink it regularly your body starts to get used to it and the effects lessen (a bit like heroin users who need stronger doses the more they take)
My hyperbaric doctor was keen to point out that no drink or drug actually dehydrates you, that's bad science, what dehydrates you is not drinking enough water!
Well Bwizz,, if you use the A49 then just before Hereford you get to Leominster , where i live,, stop fatigue and come in for a cup of tea 
It sure is a nice route down from Hereford to chepstow, the wye valley.
I know its only the internet but they are real people ! ain't they?
Thanks all , Just as aside I think this isotonic hydration theory was discovered after early 20th century war , where soldiers were dying from Cholera associated dehydration.
When i was doing a lot of sports cycling some years ago I used a product called Isostar
it was very good and nice tasting , but harsh on teeth.
Thanks for offer manuel 32 , If you give me yer poscode (By private message if necessary)
I will keep it as a option
Anon ,just checked the alternative A49 route on my satnav , adds around 44 miles!
probs give it a go though!
Quote:You've got the wrong end of the stick.
No I hear what you are saying. I'm just pointing out that the effect of a drink with caffeine in it depends on the dose. Coke and Irn Bru have caffeine in them but not enougth to cause any dehydration effect, or give you much of a buzz unless you drink loads of it.
The tea and coffee on the boat is as you say absolutely fine, but having a mug of VNA's coffee before a dive probably wouldn't be the best idea.
Also like a lot of drugs, some people are more sensitive to it than others.
And yes you are correct, the body gets used to it and likes it, it's very addictive.
As for adding 44 miles of twisty interesting A roads, then surely that is a plus,,you like riding motorbikes dont you?
I love A roads, eat the miles up, keeps the concentration up.
Yes call me and if i am around , have a break,,lets see ya bike.
I know its only the internet but they are real people ! ain't they?
(26-07-12, 10:19 PM)limax2 link Wrote: take the old Seven crossing M48 to Chepstow. Then Monmouth, Hereford, and A49,
I sometimes go up from Poole to Oulton Park and use that route. It takes a bit longer than M5/M6, but there are some nice roads through great scenery up the Wye Valley to Monmouth and through the hills around Church Stretton. If on a bike has to be the 1st choice of route if you have a little longer.
The A4110 to the West of Leominster can be a bit quieter than the A49.
http://goo.gl/maps/pj3e
(27-07-12, 10:58 AM)bwizz link Wrote: Anon ,just checked the alternative A49 route on my satnav , adds around 44 miles!
probs give it a go though! Something not right there. The A49 option will add time but should not be adding distance.
I get on the M6 at J28 Leyland and leave the M5 at J21 for Weston. With a couple of miles added at both ends I have clocked 200 miles (to plus or minus 2 miles) on both the M6-M5 route or the A49 option. Both routes measured in the car but only the A49 route on the bike, and results all the same.
From J2 on the M48 Severn crossing I take the A466 past Tintern Abbey to Monmouth and go into Monmouth To continue on the A466 to pick up the A49 about 5 miles South of Hereford. Monmouth is a bit fiddly at first but your soon through it. Hereford is the pain in the butt at busy times and not easy to avoid without adding several miles to the trip.
Heading North I usually take the A4110 from Hereford and rejoin the A49 at Craven Arms, it needs a bit more navigation and you would miss that brew at Leominster  . Either way it doesn't alter the milage.
I would check that satnav route again because I would think the last thing you want is to be adding miles to your journey.
I forgot another issue .at the moment I have limited neck mobility" either a severe strain or my neck is totally knackered with arthritis! So the motorway is a slight plus in that I don't have to check T junctions. I made my way back to Cornwall on Sunday ,down usual M6 M5 /A30 Horrible journey with gusting Westerly wind ,high humidity and in places heavy rain ,a slight plus was that I met some interesting people on my frequent stops.and the bike was as usual faultless.
Probably the last long journey i will do on the bike , in future i will split the trip up and make a holiday out of the ride .As posters have pointed out motorways are no fun at all
but alternatives take time and planning.
Thanks for all input and offers of help
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