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self inflating mattress (38 posts / 3,960 views)
chlobo
Posts: 117
Post #1 2 Jan 2021 23:44
0
Has anyone used a sim thats around 90 cm- to 100cm wide and recommend one ? cheers
oldgeezer oldgeezer
Posts: 27,037
Mr Linky Poo
Mr Linky Poo Post #2 3 Jan 2021 00:38
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In reply to Post #1
I use one thats 183 x 51 x 3.8cm and the really great thing about it is it fits inside the raised edge and so cant move around and when you Pack up you dont even know its on there
AND you have perfect support only where you need it its designed for back packers that just lay it straight on the ground so you can imagine when it goes on top of a bed chair its perfect

I found you really DO get what you pay for when buying a sim as a lot of people have found out buying cheap ones
this comes with a 3 year warrantee LINKY POO
Oats-1983 Oats-1983
Posts: 146
Post #3 3 Jan 2021 07:49
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As already mentioned above the Mountain Equipment Helium 3.8 is the one you want. At that price it's a steal.
Tinhead Tinhead
Posts: 17,091
Post #4 3 Jan 2021 10:22
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In reply to Post #3
Cotswold often have sales but rarely include the Helium. On Black Friday 2019 I managed to get 20% off bringing it down to £40 inc P&P. That was a rare event though it could be ages before they do that again.
Oats-1983 Oats-1983
Posts: 146
Post #5 3 Jan 2021 10:26
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In reply to Post #4
For £40 you got an absolute bargain.. Best SIM I have used by a mile.
roman
Posts: 4,847
Post #6 3 Jan 2021 12:17
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In reply to Post #1
You don't see many that width mate. Most advertised as large are about 600mm wide. I have the Helium and the Vango trek 5. Which is listed on Cotswolds site. It's cheaper and slightly thicker and has a click on off valve. Which I prefer out of the two. And it's been good for a couple of years use.
Tinhead Tinhead
Posts: 17,091
Post #7 3 Jan 2021 12:29
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Another SIM that got mentioned on here was one made by Andes.
If anyone is interested it should come up if you do a search on here for Andes.
audiguypaul audiguypaul
Posts: 1,534
Post #8 3 Jan 2021 15:06
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In reply to Post #1
I've got an Exped Megamat 10 LXW, 77cm wide, not cheap but I sleep like a baby on it.
McJim McJim
Posts: 60
Post #9 3 Jan 2021 16:21
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In reply to Post #1
Sorry. Had to edit this as the info I gave was wrong.
chlobo
Posts: 117
Post #10 3 Jan 2021 16:45
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Thanks for the replys ,ive opted for the helium one from cotswalds seems a good price and a decent discount .
braders1978 braders1978
Posts: 18,195
Post #11 3 Jan 2021 16:50
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In reply to Post #10
You won't be disappointed,just don't over inflate it as it can make it uncomfortable.
andythrill
Posts: 384
Post #12 3 Jan 2021 16:52
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In reply to Post #2
Just bought the helium old geezer on your recommendation I've already been stung with a cheap version and all it did was keep getting pin ***** holes for some reason.
I take it I can leave the helium inside my sleep system and just deflate when packing away?
I definitely don't want to ruin another one
braders1978 braders1978
Posts: 18,195
Post #13 3 Jan 2021 18:16
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In reply to Post #12
Thats exactly what I do and its been absolutely fine
oldgeezer oldgeezer
Posts: 27,037
Mr Linky Poo
Mr Linky Poo Post #14 3 Jan 2021 18:30
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In reply to Post #12
my biggest tip as been said dont over inflate it some people JUST dont get it ? follow the instructions
open the bed out open the valve IT WILL SELF INFLATE enough within 45 mins if you dont put anything on the bed

I would suggest you experiment indoors when you first get it
lay it on your bed with valve open for 45mins do valve up
THEN try and roll it up you will then realise just how much air has gone in it chuck it on a hard floor then lay down on it you will then see what a huge difference it can make
Tinhead Tinhead
Posts: 17,091
Post #15 3 Jan 2021 18:42
0
More info on inflating
HERE
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