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BigWalls Forum / Re: New Members--please introduce yourself here
« Last post by Ganglefinger on Today at 02:36:29 PM »
Howdy,
I live out by Red Rock Canyon, USA. I have done a few climbs up El Cap and plan on doing many more. I’m also into sewing and making gear that already exists and can be easily acquired at a reasonable cost. I think I’ll learn a lot from this forum and hope to contribute at some point, as well. Thanks for having me.
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PORTALEDGE DIY HOMEBUILD INFO / Sewing machine advice - Industrial, standard and sewing tech
« Last post by BuffaloBrad on October 23, 2020, 04:35:33 AM »
I'd like to start this thread, punt intended, to enlighten newbies to sewing and sewing machines (me).

To date I've been going ok, sewing canvas and webbing on a 40 year old Janome. I've made bags, clothing repairs, arborist weighted throw ball, cube bags and webbing goods.
Yes, I've broken a stack of needles.

Recently I completed the DIY trapezium kit using a leather working needle with thick thread (M20, whatever that means..). The machine struggled and had we hand cranking the majority of the time.
I broke a cog in the bobbins timing at about 90% completion  :-\ $80 repair later, lucky!, and I've decided to look into industrial machines

Now industrial machines - this opens up a can of worms... I initially thought all industrial machine where similar (Strong enough to stitch what I'm doing). Turns out not!!
Some machines go fast - some zig zag, but the majority only straight stitch - some do this, some do that.

Chatting with my few resources locally --> everyone suggests a 'walking foot' or 'leather working' machine geared slower for torque is what I need to do canvas and webbing.

Suggestions welcome
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PORTALEDGE DIY HOMEBUILD INFO / Re: SIMPLEST DIY PORTALEDGE Frame, Bed, Suspension, and Fly
« Last post by BuffaloBrad on October 23, 2020, 03:54:07 AM »
Ok so a few bits to post here - This build was quick and pretty easy, longest part was the design and math
Definitely worth a go!!

I'll start with the frame, See attached! I've used the same materials as mentioned by John.
6060 T5 3mm thick.
Most of the frame is 25mm OD and 32mm OD joiners.

I purchased the cheap $208 AUD bender.
It does a nice job- clean up the edges with a file and add some vaseline around the fulcrum

Ledge frame is 930mm X 2060mm OD

I managed to get the side bars to collapse and fit inside the horse shoe bends (930 - 50 = 880mm) .. see all math on attached.
However, once I added the Shock cord around the tube this become less relevant.. hahah ;D

My first test was BCC (Big Canopy Campout) weekend. I slept comfortably up a Mountain Ash, 70m off the forest floor. However, I didn't have time to make a fly so waking up to rain was an experience. To my luck it was light rain and the bivie bag did the job.

Bed base design to come..
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PORTALEDGE DIY HOMEBUILD INFO / Re: SIMPLEST DIY PORTALEDGE Frame, Bed, Suspension, and Fly
« Last post by Deuce on October 14, 2020, 07:47:56 PM »
more pics on process:
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PORTALEDGE DIY HOMEBUILD INFO / Re: SIMPLEST DIY PORTALEDGE Frame, Bed, Suspension, and Fly
« Last post by Deuce on October 14, 2020, 05:27:25 PM »
All info now on http://bigwalls.net
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PORTALEDGE DIY HOMEBUILD INFO / Tim and Olle's homebuilds
« Last post by Deuce on October 14, 2020, 04:14:01 PM »
Hopefully they can post more info and tips.

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BigWalls Forum / Re: pioneering North Face Big Wall
« Last post by Deuce on October 12, 2020, 08:39:21 PM »
Note:  Xaver and my foray onto the North side of Great Trango for the upper half of the route was probably the biggest northern facing big wall ascent at the time (pure big wall style).  We really didn't know if it would be possible to be without sun at high altitude on a big wall, though we did get a few minutes of sun in the morning and also late in the day.  That portion of the wall was over 2200' (about half of our route).

The ascent of the North Face of Nameless a few years later was longer (>1000m), with the route entirely on the northern facing wall, so that was a pioneering effort as well.
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PORTALEDGE DIY HOMEBUILD INFO / Re: Portaledge FRAME MATERIALS
« Last post by Deuce on October 12, 2020, 07:06:06 PM »
olle posted on Wiki:

 A good source for higher grade alum could be companies in experimentel aircraft component supply.
In Sweden we have this:
http://www.arigoteknik.se/english.htm
They have imperial, American made high quality tubes in grade 6061-T6 and 2024-T3.
They should also be able to cut the 12’ tubes down to get lower shipping costs.
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PORTALEDGE DIY HOMEBUILD INFO / Re: "Max" benders from China--pics
« Last post by Deuce on October 06, 2020, 12:14:24 AM »
No, you really need to correct size bender for each diameter tube.  25mm works in 1” bending die, so slight variation is ok, but I think you will get kinks if you try to bend 20mm tube in a 25mm bending die.
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PORTALEDGE DIY HOMEBUILD INFO / Re: Sourcing fabric in Australia
« Last post by Deuce on October 04, 2020, 01:59:04 AM »
https://ripstopbytheroll.com/collections/waterproof-nylon-fabric/products/420d-robic?variant=18632565057

Portaledge bed material
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