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Flasks - advice please
by FiferStu » Tue Nov 19, 2019 8:12 pm
What I'm looking for is a flask that really WILL keep water hot for 12 hours - up the hills.
A general-use flask, perhaps kept in a car on a long journey, will probably keep hot for 12hrs, but that's no good for the hillwalker at 2000 or 3000ft with significant wind chill.
So - can anyone offer some advice? Any experience to share of the cheap and not-so-cheap brands?
I wouldn't quite say that "money's no object", but obviously I'm willing to pay a bit more for something that really will do the job.
Thanks for any replies.
by jmarkb » Tue Nov 19, 2019 9:04 pm
by Ian Johnston » Tue Nov 19, 2019 10:38 pm
by LoveWalking » Wed Nov 20, 2019 12:26 am
by WalkWithWallace » Wed Nov 20, 2019 8:27 am
Might be stating the obvious, but pre heat the flask with hot tap water, then empty and put your soup or tea etc in. Also don't leave the flask to the elements, put it away deep in your rucksack. I made a foil cosy for mine, definitely helps.
by ScotFinn65 » Wed Nov 20, 2019 8:49 am
I can thoroughly recommend..
by whiteburn » Wed Nov 20, 2019 12:04 pm
I'd experienced two branded flasks, with stunning reviews, 'fail' straight out of the box (e.g. luke warm water after 2 or 3 hrs) & had to return for a replacements (probably manufacturing defect).
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by Giant Stoneater » Wed Nov 20, 2019 12:07 pm
- Giant Stoneater
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by SuperMillie » Wed Nov 20, 2019 1:03 pm
A cracking wee flask, would also highly recommend
by weaselmaster » Thu Nov 21, 2019 4:01 pm
I recently got hold of the Thermos Food King food flask, which are quite good for taking stew or rice/curry or whatever up the hills for lunch, they'll keep food hot for 4-6 hours if pre-heated like above.
by maremalin » Fri Nov 22, 2019 10:48 am
Kendonm wrote:Zojirushi, almost too good.
i second that
by Marty_JG » Sat Nov 23, 2019 1:31 am
It's not for everyone, but I enjoy taking a brewkit with me.
by FiferStu » Sun Nov 24, 2019 7:10 pm
Thanks for all your replies and suggestions - much appreciated.
Last weekend I was out and about and spotted the Stanley 1L flask, sold by Blacks Outdoors. I almost scoffed at their claim - that it kept water hot for up to 40 HOURS??!! There was no price on it, I just picked it up and the weight was quite something - around twice as heavy as your average flask (and that, of course, was empty. Add a litre of water and you've got a heavy flask indeed to add to the daypack). I declined.
Plenty of recommendations above - I will look at them all. Thanks again for your replies and comments, much appreciated.
by Uncle bob » Sun Jan 26, 2020 7:18 pm
the 1.4 ltr is the biggest and heaviest ....but this one keeps my drinks really hot the longest 24hrs is no problem for it .
The 750 , 12 - 15hrs max
The 700ml food flask , 8 - 12hrs max
i would say i have a good few years knowledge of using flasks......worked on the buildings all my working life ...been camping since i was a kid using cork stopper flasks.
but my advice is NEVER buy a flask with push button to pour stopper ....it leaches out the heat ....the stopper is the flasks weakest thermal point ...my 1.4 ltr has the smallest stopper compered to its insulated body thickness...the 750ml has the same size stopper but its body is less thick .....the reason the food flask is so poor heat retention wise, is the really wide stopper......(its a new purchase )....i hope to increase this with the glove in lid
if you want to improve your flask heat retention put a cheap poundland thermal glove in the cup/lid ..screw lid tight and try that.....hope this helps ...ive walked , winter camped....but not above 1,500 - 2000 ft .
- Uncle bob
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