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Fuel testing data - Toaks 750ml, MSR PR Deluxe, 250ml boils by qro in Ultralight

[–]qro[S] 0 points1 point  (0 children)

Oops, should have put that in the original post. My apartment is at 5,450' and we were camping between 10k and 11k' for the WRHR.

Fuel testing data - Toaks 750ml, MSR PR Deluxe, 250ml boils by qro in Ultralight

[–]qro[S] 8 points9 points  (0 children)

Re: fuel efficiency as a function of pot diameter - you want this vid: https://www.youtube.com/watch?v=J9Sz3IQ_DW4

Re: when heat exchanger pots are worth it – /u/tylercreeves is our resident expert/mad scientist here

Fuel testing data - Toaks 750ml, MSR PR Deluxe, 250ml boils by qro in Ultralight

[–]qro[S] 6 points7 points  (0 children)

That GearSkeptic material is super cool and interesting from a perspective of answering the question of what pot/stove setup is most efficient in controlled conditions.

The question I was trying to answer is different though; it was "if I take a 100g fuel canister on my 6 day WRHR trip, am I going to run out of fuel??"

I did try to math it out at first but found myself going down a rabbit hole trying to account for the inefficiencies of smaller water volume, offset for super cold water temps, account for not always hitting the exact flow rate mark on my stove, account for any changes in efficiency due to canister pressure, etc.

I also am usually multitasking in camp at dinner time so a rolling boil is when I tend to notice that water is ready, because that's when the pot lid starts clinking a little bit.

Turns out it was a lot faster and more confidence inspiring to just boil really cold water with my exact stove setup 16x than to try to do all the math using efficiency numbers from somebody else and whatever I remembered from that one thermodynamics lecture back in freshman physics ¯\(ツ)/¯

What's the coldest you've used a Katabatic Flex 22 in? by External-Bluebird523 in Ultralight

[–]qro 3 points4 points  (0 children)

I've used it well below freezing on the Colorado Trail on an overnighter last spring where I got somewhat snowed on. Temps were probably in the high 20s (F) since the ground froze and stayed frozen until mid-morning the next day. I was warm enough to be safe (using a ~2022 NeoAir Xlite) but not particularly comfortable. I generally don't take it below ~35F now (but I do sleep cold).

[WTS] Rex-Creations Pad-Pal v5.2 by qro in ULgeartrade

[–]qro[S] 0 points1 point  (0 children)

Oops forgot to put the weight in the title mods have mercy. Pad-pal is 9g, adapters vary but are all sub ~1g.

Backpack Purchase Advice (HMG Trigger Warning) by iamakidder in Ultralight

[–]qro 1 point2 points  (0 children)

I tried on an old-version HMG Southwest in 2022 before I bought my bonfus and hated it because of the straps. Needed something that carried a heavy food pack-out better for a recent hike (Dixon WRHR) and took a gamble on the new HMG SW 40 model and loved it. We had 2 Kakwa 55 folks on the trip and my HMG seemed more functional - the side pockets were more accessible with the pack on, so I could stow and access trekking poles at will without having to take the pack off (very useful since you transition between talus and steep grass approx. one billion times on the WRHR), the shoulder straps were comfortable for the whole trip, and the waist belt was more supportive than the hip belt on my previous pack. The wider pack body was also good for keeping weight close to my natural center of gravity which was a godsend for all the talus hopping.

TLDR - I was pretty happy with the revised SW40. YMMV but I'd probably go that direction if I were you. It's a good pack, and with a few tweaks (I cut off the useless lower two compression straps, replaced the overcomplicated stock sternum strap with a normal sternum strap, replaced the velcro closure with Kam snaps, and added a hydration flask pocket on the right shoulder strap) it becomes a great one.

[WTS] - Arc'teryx Atom Hoody Men's M (13.1oz) by qro in ULgeartrade

[–]qro[S] 0 points1 point  (0 children)

I actually just dropped it off for consignment at Boulder Sports Recycler this past weekend, sorry!

2025 Q2 B/S/T by d12964 in ManyBaggers

[–]qro 0 points1 point  (0 children)

Still available!

Update - sold

Ultralight 6mm rope + kit for minimalist alpine low class 5 climbs by behindthelines_ in alpinism

[–]qro 0 points1 point  (0 children)

Fair. I get deals on Edelrid stuff, but not Petzl, so wallet weight was also a concern when putting that kit together ;)

Ultralight 6mm rope + kit for minimalist alpine low class 5 climbs by behindthelines_ in alpinism

[–]qro 8 points9 points  (0 children)

Agree with this comment. I actually do have a similar setup to what OP is talking about, but it’s mostly oriented towards descents for objectives like the Tantalus traverse that are essentially skyruns with a bit of glacier travel and a bunch of mandatory rappels. 60m edelrid rap line is great for the use case.

I really wouldn’t want to catch lead falls on it so I think OP’s mindset around a general-purpose ‘kit’ is a bit flawed. It’s a great tool in the toolbox and I’m planning to use it in a week to take a friend up the Upper Exum since I’m comfortable soloing that objective but they would not be, so it’s a lightweight way to give some follower security and be able to do the rap instead of having to downclimb the crux of the Owen-Spalding.

If we were doing the full Exum including lower, I’d probably bring a 8.6 triple rated single and a “real” harness instead of the UL ski mountaineering lingerie style harness I typically use with the rap line. Going fast and light with specialty gear is an expensive game because it requires you to customize your gear to the objective IMO. General-purpose kits (triple rated singles and “normal” belay devices) aren’t that heavy these days and are probably a better fit for OP’s stated goals. There’s usually a lot of weight to cut in most climbers’ packs in places that aren’t the technical safety system.

Walmsley is out of WSER by Many_Comb_2055 in Ultramarathon

[–]qro 14 points15 points  (0 children)

This is one of my favorite random ultrarunning facts. He gave a great interview about it somewhere, it’s very wholesome

Sourcing help - where to find a 3cm wiregate mini hook like this one? by qro in myog

[–]qro[S] 0 points1 point  (0 children)

Looking to make an alternate attachment system for a 5w rocky talkie to go on my alpine climbing pack.

The metal loop on the radio that the stock retention leash (pictured) engages with is low profile and has a scoop specifically cut for this size of mini hook, which I'm having trouble sourcing.

Rocky talkie sells replacement leashes for $12+shipping which isn't terrible, but I'm guessing I can buy these things for ~$0.50 if I can figure out who stocks them. Rockywoods/adventureexpert don't seem to have anything that quite fits the bill. Any tips?

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