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MYOG: The Incredible Rulk – Rucksack and Pulk Combo


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Home Forums Campfire Editor’s Roundtable MYOG: The Incredible Rulk – Rucksack and Pulk Combo

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  • #1236125
    Addie Bedford
    BPL Member

    @addiebedford

    Locale: Montana
    #1499362
    Stephen Klassen
    Member

    @steveyk

    I want to see something like this brought to market.

    I've done a few traverses in the PNW where the beginning and end are on dozens of kilometres of logging roads, while the rest of the trip is on glaciers or icefields. Half the time I want just a pack, but the other half a pulk would be better.

    If the pack was built with the "rulk" in mind, there would be a couple of benefits – by having one side of the pack replaced by the aluminum of the rulk you would eliminate the possibility of snow running along that side, resulting in less drag and wetness.

    Rather than using flexible tent poles to pull the rulk, what about a couple of rigid poles, that can then be used to support a pyramid shelter?

    A "keel" could help with tracking, and a foldable outrigger could help with stability.

    Jorgen, did you ever meet a young man named David Persson? Your stories of service in the Swedish military reminded me of him.

    #1499366
    Anders Bentsen
    BPL Member

    @andben

    Locale: Oppdal

    J├Ârgen!
    Congrats!
    I think the Norwegian outdoor brand Norr├Şna have been working on the same idea. So if they are or have you beat them!

    I've missed a pulk but have never done anything to realize it. But I have some thoughts:
    Use a plastic Paris pulk and cut away the plastic you don't need. I think the plasic will handle deformation better than aluminium ( ok 7075 series AL will probably do the trick, and cost a fortune….), glide well over snow.

    What do you think?

    Anders

    #1499371
    Roger Caffin
    BPL Member

    @rcaffin

    Locale: Wollemi & Kosciusko NPs, Europe

    Hum … thinking …

    I found it refreshing to have a Version 1.0 MYOG article. Sometimes, just getting SOMEthing started is the hardest part.

    Thanks!

    Cheers

    #1499384
    John S.
    BPL Member

    @jshann

    I wonder how loud aluminum is to drag on snow/ice versus the paris plastic. I found the plastic irritatingly loud. Bill Fornshell probably has the coolest pulk/pack combo. I did the same with my paris sled on the way out of a trip (carried on back) because I got sick of the noise.

    #1499404
    Steven Evans
    BPL Member

    @steve_evans

    Locale: Canada

    J├Ârgen!
    Nicely done! yet another project to add to the list.

    #1499478
    J├Ârgen Johansson
    BPL Member

    @jorgen

    Locale: www.smarterbackpacking.com; www.fjaderlatt.se

    Thanks for your kind words. Much appreciated :-)
    Some replies:
    Yeah, I think that what kinds of poles to use and how to make them serve multiple purposes is an interesting field with quite a few possible permutations.
    Some sort of keel or rudder would probably be feasible. Takes some thought: Not to heavy and not too 'murphoid'.
    And no, I do not remember any David Persson. But at the time all Swedish guys went through the Army after high school, so the odds are slim.
    Cutting away the rear end of an existing pulk is pretty clever. If you could replace the existing poles or use them for a tent you might have something. I don't know how much it would weigh though. I'd like to stay really close to a 1000 grams with a Rulk.
    About noise: You would think that aluminium had the potential to be really loud, but I wasn't bothered. Cinching the pack tightly against the metal took away most of the tinny-ness.
    If you want a bit more info on the trip itself you'll find it at http://www.fjaderlatt.se/2009/04/along-northern-rails-with-incredible.html. It's in English also, although the site so far isn't, but will be to a higher degree.

    #1499493
    Sam Haraldson
    BPL Member

    @sharalds

    Locale: Gallatin Range

    With the ease of this project I forsee v2 and v3 from other readers being a distinct possibility (myself included). A simple set of fins along the rear for tracking and a couple pieces of wire attached from the curved front to the sides to maintain the shape would be easy additions.

    #1499531
    Chris Townsend
    BPL Member

    @christownsend

    Locale: Cairngorms National Park

    Great piece Jorgen. For those trips where a pack is best some of the time and a pulk some of the time this is an excellent item. I might have to try and make one!

    #1499614
    Paul Davis
    Spectator

    @pdavis

    Locale: Yukon, 60N 135W

    Great Stuff!

    Thanks for the article!

    If it is of any help, dog mushers have access to special plastic strips which can be bolted onto sled bottoms as low-friction runners.

    I really like the simplicity of your design and particularly the harness!

    I use a rigid-ABS plastic water pipe to connect the sled to my waist belt—a system I bought at a garage sale, then found a sled at another garage sale. I use mine for hauling groceries when there is too much new snow for winter biking. I don't entirely trust the plastic components out on the land below -25C, where plastics become brittle…

    Thanks again!
    Paul
    Whitehorse
    60N 135W

    #1499615
    Eric Blumensaadt
    BPL Member

    @danepacker

    Locale: Mojave Desert

    Jorgen,

    That's very light but efficient. It would be nice to be able to have some shock-corded sectional aluminum poles to haul the Rulk with instead of just rope. Crossing the poles is the best way, I've found. IT gives more control on turns and permits shorter turns. With ropes only turns become a hand-on-the-ropes job.

    My plastic JetSled is almost too big for putting on even the large Dana Terraplane pack I use in winter but I may try it next winter.
    My ski patrol has an Avalanche II course with an overnighter. I may have to carry the pulk in some steep sections so I better try it out first.

    Eric

    #1499630
    Mark McLauchlin
    BPL Member

    @markmclauchlin

    Locale: Western Australia

    Really well done, loved the read…..now if it only snowed here :)

    #1499643
    J├Ârgen Johansson
    BPL Member

    @jorgen

    Locale: www.smarterbackpacking.com; www.fjaderlatt.se

    Wow, lots of ideas coming up here. I can add some from the Swedish forum. One is using a fullsized plastic pulk and cutting the rear end of where the pack ends. Another is using childrens skis and some crossbars to build a ski sled.
    I had ideas about skipping the aluminum and just dragging a Kevlar bag behind me on the snow. Maybe a combo of this and the kid skis?

    #1499731
    Timo Anttalainen
    Member

    @timoa

    Locale: Finland, Espoo

    Ortlieb x-plorer L works very well if you turn it inside out. It is pack an a pulk.

    ortlieb pulk

    #1499809
    Roger Caffin
    BPL Member

    @rcaffin

    Locale: Wollemi & Kosciusko NPs, Europe

    Hi Timo

    Blimey! Talk about lateral thinking! MOST interesting!

    Cheers

    #1499910
    Dave T
    Member

    @davet

    .

    #1499914
    J├Ârgen Johansson
    BPL Member

    @jorgen

    Locale: www.smarterbackpacking.com; www.fjaderlatt.se

    Very interesting. How does it wear on different types of snow?
    Turning inside out means that you have to repack? So switching from pack to pulk takes a while?

    J├Ârgen

    #1499993
    Timo Anttalainen
    Member

    @timoa

    Locale: Finland, Espoo

    I use this drybag style only one day. It was ortlieb drybag PD 350 and jam2 inside. PD 350 is weakest material what ortlieb have. I get small hole in it but i repair it with spinnakertape.

    My friend use X-plorer L for couple times. PD 620 is strongest material what ortlieb have. No problem. No holes.

    And yes, it has to be repack when you change pulk to pack. It is not easy when temperature is about -4F (-20C)

    (sorry my bad english..)

    #1500075
    Roger Caffin
    BPL Member

    @rcaffin

    Locale: Wollemi & Kosciusko NPs, Europe

    Timo

    We understand your comments. Your English is just fine.

    Cheers

    #1593161
    J├Ârgen Johansson
    BPL Member

    @jorgen

    Locale: www.smarterbackpacking.com; www.fjaderlatt.se

    For this years winter outing I took something that is already on the market, The Paris Pulk, and sawed it off to fit my pack. It worked very well. For more details you can check the link below. Also, I'm interested in hearing if anyone has done anything similar, or made an improved version of the Rulk.
    http://www.fjaderlatt.se/2010/04/across-sarek-in-winter-rebooted-rulk.html

    #1593218
    John S.
    BPL Member

    @jshann

    In 2007, I bought the Paris Glad-A-Boggan Sled (4 foot version) and carried it attached to my backpack. I hiked in with it as a pulk, but didn't like the noise it made on the snow, so on the way out I carried it on my back (as I had wanted to be able to do if needed).

    Why no picture of you carrying the pulk as a rulk? That picture would seem necessary in an article of this type.

    #1595183
    J├Ârgen Johansson
    BPL Member

    @jorgen

    Locale: www.smarterbackpacking.com; www.fjaderlatt.se

    Hi John,
    You might have gotten the wrong article, there are several on the trip, all titled "Across Sarek in winter- something".
    In the article on the following link there is a picture of me carrying the rulk.
    http://www.fjaderlatt.se/2010/04/across-sarek-in-winter-rebooted-rulk.html

    J├Ârgen

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