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Lightweight tent for Scottish Highlands?
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Jun 19, 2013 at 5:41 pm #1998187
Marc
IMO you need a true and tested mountaineering tent for the wind conditions you may encounter. Anything lesser is courting disaster. The Integral Designs MK11 Lite (Expedition Series) is worthy of your consideration.
2004 Ryan Jordan review of an earlier version:
Jun 19, 2013 at 6:23 pm #1998203Just make sure to get the optional vestibule.
Jun 19, 2013 at 7:37 pm #1998232If the optional vestibule seems too heavy, perhaps just cut and modify a piece of cuben to buckle in. When I use my bibler, I find myself only "needing" to hook the vestibule up half the time. Fortunately, the tent does not "need" the vestibule to deflect wind.
(As I might have mentioned before.)
+1 on the Integral Designs/Bibler double pole tents, btw. You aren't taking a risk with that particular type of design.As far as the Voyager goes, I'd be cautious about a very expensive tent with zero reviews, even if its lighter than its respective counterparts. It's modified geodesic design reminds me of the old North Face Tadpole/Bullfrog design of the mid eighties. That particular design was a good three season shape at its time, but was never considered a four season shape, due to its inability to shed snow.
Besides, "If its too good to be true, it probably is."
Matt
Jun 20, 2013 at 9:22 am #1998362Thanks to everyone for the advice.
I think it has to be a 2 tent solution, rather than carry a heavier tent that will work all year round.
The Tarptent Moment (or possibly Hilleberg Unna) for most of the year, and one of the smaller Integral Designs for camping out on summits and winter use.
Interesting that Ryan Jordan said there was no structural deformation of the Mk1Lite in 60 mph winds, that is really what I am lookng for. Its not the noise of the fabric that bothers me, more the tent almost slapping you in the face.
Jun 20, 2013 at 9:38 am #1998370I say the Unna would be fine all year round, if you wanted only 1 tent.
I like the option of two though.
Jun 20, 2013 at 10:14 am #1998383Take a look at http://thunderinthenight.blogspot.dk/2013/06/two-wheel-drive.html and https://vimeo.com/68646423 in particular around 1:30
For me if I did not have a Tarptent Moment DW I would seriously consider an Unna
Jun 20, 2013 at 10:34 am #1998388Check out this video of the Rab Summit tent being setup in front of a wind machine. This tent is the same as the older model Integral Designs MK1 Lite:
Jun 20, 2013 at 10:43 am #1998394any of those will be way too short for Marc.
Jun 20, 2013 at 11:53 am #1998416My last couple of tents have been great for length, but I couldnt sit up in them. Trying to put socks on felt like Houdini.
I like the look of the Unna when its fully opened up at the front, and not using the inner, like on the Thunderinthenight blog. I could maybe get away with not carrying the inner if the weather was half decent in the summer. It would need some kind of mesh screen across the front though to keep out most of the midges. The fly seems to go all the way to the ground, which is good.
One thing you never really get in reviews is how long a tent will last before failing, or rather, how many storms can it go through before failing and when it does fail, how does it fail. Is it going to be sudden and catostrophic or will you notice gradual weakening. A lot of people rave about how well their tent stood up in a storm, one storm, but is it going to do that the next time, or the time after? Especially with the ultralight stuff. These are things I think about when lying on a rocky ledge several thousand feet up.
Jun 20, 2013 at 12:22 pm #1998427Everything fails in the end. IMHO you need to inspect your gear after every trip before you take it on the next trip to ensure that it is storm worthy. My feeling is that a Hilleberg will last quite a while before it fails. Tarptents and other lightweight gear will not fail you on a trip if you look after them and inspect them before you leave. I am happily taken a Tarptent Moment DW to Lapland this summer and expect to take it for a few years to come.
Jun 20, 2013 at 12:36 pm #1998432"One thing you never really get in reviews is how long a tent will last before failing…"
I've been on this forum for about 5 years. I don't recall anyone talking about a tent "failing".
Not saying it can't happen. I'm sure some have had uncomfortable nights in a "wrap-around-tent". I'm sure poor staking/anchoring contributed to a few scary moments. But I can't recall any bent poles, ripped fabric, blown zippers etc. from storm/wind situations.
For the most part UL folks know the limits of the gear.
To bad this forum doesn't support surveys. I know there are 3rd party survey sites out there, but I don't what or where.
Jun 20, 2013 at 2:57 pm #1998473> One thing you never really get in reviews is how long a tent will last before failing,
Well, that would be impossible.
One person will look after their tent and have it last >10 years.
Another person will be able to trash their tent in <1 year.Cheers
Jun 20, 2013 at 3:50 pm #1998497"Another person will be able to trash their tent in <1 year."
My tents last longer than that, but my relationships ……. yeah, I can trash them in well under a year.
Jun 20, 2013 at 4:21 pm #1998507Marc,
The path of a crossing pole placed inside the Moment DW fly will put it about 4 or 5 cm. below the center ridgeline, where the pole sleeve is (unless you get the center section of the crossing pole pre bent to make it higher).
This is no problem, even with TWO crossing poles as I have in my modded Scarp 2. The inner tent still has the same height. What you have with the inner crossing pole(s) on the Moment DW or the Scarp 2 is MUCH more canopy support for snow and wind loads.
As for poles "moving around" inside the fly under wind load, that won't happen if you sew in Velcro cable ties where the Tarptent's exterior pole attatchment reinforcements are. These ties, appropriately shortened, wrap around the crossing pole and hold it in place but habe a bit of give as well unless you wrap them very tightly. These Velcro cable ties are used to hold computer cables together and can usually be found at computer stores.
Jun 20, 2013 at 5:56 pm #1998527"Failing" is maybe the wrong word.
The reason I mentioned it is that I got caught out in a storm, and the tent handled it. I visually inspected the seams, zips, tie outs and poles after, all looked ok. I went out a week later in much lighter winds, and to my surprise, had a pole break. Which makes me think the metal was weakened in the first storm.
I am hiking the Pyrenean High Route later this year for 3 weeks and it crossed my mind that it might be best not to take one of my storm battered tents.
Sep 22, 2013 at 4:12 pm #2027104I was searching earlier in the year for an ultralight tent that could handle very strong winds, after having had a number of broken poles and some uncomfortable nights in previous tents.
I considered the Tarptent Moment, but it wasn't available with the ripstop inner at the time and it looked like it would need quite a few mods for my use. I also considered adapting an existing tent, thinking I could use hiking poles to brace it up somehow, but that didn't work very well.
With a trip to the Pyrenees coming up, I decided to design and make a tent from scratch. I put hiking poles into the design, which act both with and against the tent pole to produce a frame that doesn't move in strong winds.
In this video http://youtu.be/TN1V_lnXrok the winds only got up to about 30 mph, angled side on from the front, but there was no movement of the frame of the tent. The front side panels fluttered a bit, but I have seen added tie-outs to these panels which makes a difference. It's a double walled tent, weighing 960 grams (34oz.)with 6 stakes. The inner tent is 53" wide, enough room for me and the dog, and has a 26" deep vestibule. The hiking pole straps simply tie around the short header pole and it takes 2 minutes to put up. I have been using it for a couple of months now, in gusts up to 50 mph, and it has performed very well.
I think the combination of hiking poles with alloy tent poles works really well. With the wind from the rear, the alloy tent pole acts like a big spring to resist the forces. The 5 sided shape seems to deflect winds from the sides and the hiking poles prevent any distortion from angled front winds. The radius of the alloy tent pole never tightens up like it did on some of my previous tents which is what I think led to their failure.
I haven't seen any tents that use hiking poles and alloy tent poles in combination like this, so maybe I am missing something obvious? After 2 months hard use and a trip over the Pyrenees there doesn't seem to be any sign of weaknesses though. Perhaps a Scottish winter will change that!
I have now used this pole configuration to make another tent, that uses 2 half alloy poles at the front and is freestanding, with a smaller footprint, and is vary stable. Cant wait for the winter to really test it.
Sep 22, 2013 at 4:18 pm #2027106Nm
Sep 22, 2013 at 4:42 pm #2027112The way I see it is that if you get a strong gust on the trekking pole end, because of the way that panel is made rigid by those poles it might just push the ridge pole enough to snap it.
Guying those handles out will help somewhat.
I would have put the poles inside straight up.Sep 22, 2013 at 4:57 pm #2027114I tried putting the poles inside, but getting a good connection to the ridge pole was not easy, and it was all a bit fiddly. With the hiking poles I am using now, I don't even have to tie the straps to the ridge pole, I just wrap them around the ridge pole and back round the handle until they are tight.
The tent seems stronger with the trekking pole end into the wind, which surprised me. The ridge pole hasn't been bent yet, but with strong winds I always use the guy points built into the head of the tent. I can also guy back from the back panel and around the hiking poles if need be, or even directly from the hiking pole straps, which allows for any wind direction.
Sep 22, 2013 at 5:12 pm #2027119Very impressive. And original to boot. And most important, it works!
Lots of questions, but will just ask you to consider posting this and future creations on the MYOG forum. Love the details, especially the ones relevant to getting the weight down and sourcing materials. Did wonder how you managed to maintain the arc on the alloy pole, though.Noted: "You mentioned experimenting with reinforcing the joints at the apex. Would that prevent the poles behaving like this? Another thought I had was if the joint at the apex was flexible …"
As it happens, came up with a possible solution along just those lines, which is to use solid fiberglass for the ferrules connecting the arched carbon poles to Easton 340 elbows at the two apexes.
The hope is that the glass, being considerably more elastic than the carbon or alloy, will flex under heavy wind loads, keeping the carbon from fracturing near the elbows, and then return the tent to its normal shape.Without any engineering background, it takes years of head scratching to build these tents; so just love to see masters at work. Please keep us posted.
Sep 22, 2013 at 5:34 pm #2027126Thankyou.
I will post the plans and details on the MYOG forum if that will be of any help to anyone, it will take me a day or so to do it though.
Getting the arc on the tent pole was the most difficult thing about this tent. Initially I used external guylines facing angled forward to maintain the arc, but this meant an additional 2 stakes required. Later, I used a flat pole sleeve, which together with the shape of the fabric tends to do it. The hiking poles also make a small contribution, and I have fitted internal guylines with 1mm dyneema and mini cleats for additional bracing in really strong winds. These internal guylines alone would maintain the arc, but I don't often use them.
That is a good idea with the fibreglass ferrules. My initial idea was that the tent should flex at the top of the arc of the pole, so that the radius on the leeward side does not tighten up too much. This led me to the idea of using just a "half" pole, where it terminates at the apex of the curve, so there is no leeward side to tighten up and fail.
I was going to make the joint between the top of the tent pole/ridge pole and the hiking poles a flexible joint on this tent, to transfer some of the stress on the poles onto the fabric. I used bungee cord built into the head and guyed out from that, to allow some flex. I have found it much better just to keep the tent rigid though, and I cant see any ill effects from this yet. I did add another 2 short pole sleeves to the ridge pole though, to distribute the loads more evenly, and as the ridge pole stays in the flysheet when packed,it makes no difference to set up time.
Sep 23, 2013 at 2:09 pm #2027400Beautiful! – I'd love to see the plan and details in the MYOG section.
Sep 23, 2013 at 4:40 pm #2027459Thanks. I have posted some more info to MYOG.
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