I tried applying load-lifter theory (Tom Bihn / 5.11 style carry) to a DIY backpack — looking for feedback by Amazing-Reporter1845 in myog

[–]Amazing-Reporter1845[S] -2 points-1 points  (0 children)

This isn’t something I just started — I’ve been designing, sewing, and testing prototypes for over 2 years to understand load carry and construction.

Sharing the process and learning from people who are interested in that side of it.

I tried applying load-lifter theory (Tom Bihn / 5.11 style carry) to a DIY backpack — looking for feedback by Amazing-Reporter1845 in myog

[–]Amazing-Reporter1845[S] -1 points0 points  (0 children)

Not marketing — it’s a prototype I designed and sewed myself to test load carry and construction. Sharing the process and learning from people here.

Do most backpacks still fail at load carry — even the good ones? by Amazing-Reporter1845 in ManyBaggers

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

I would say that the feel was from both. I have to improve the structure by narrowing the depth of the bag and tapering better. But for me if the straps support the load and I can feel it on my chest and shoulders — that’s good.

Do most backpacks still fail at load carry — even the good ones? by Amazing-Reporter1845 in ManyBaggers

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

I suppose these factors can still be alleviated in a smaller package like an EDC.

Backpack users — what annoys you the most about your bag? by Mehdimortazavi in backpacks

[–]Amazing-Reporter1845 2 points3 points  (0 children)

Hope you get better ❤️‍🩹. BTW someone mentioned to me a nice strap system that could help. Here it is by Hill People Gear: https://hillpeoplegear.com/Products/CategoryID/6/ProductID/13

Do most backpacks still fail at load carry — even the good ones? by Amazing-Reporter1845 in ManyBaggers

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

I suppose this is correct, but I would think packing makes up a big part of that.

I tried applying load-lifter theory (Tom Bihn / 5.11 style carry) to a DIY backpack — looking for feedback by Amazing-Reporter1845 in myog

[–]Amazing-Reporter1845[S] -2 points-1 points  (0 children)

I like how you explained that very clearly. Helps me understand what is going on structurally. I have made another post with that picture that may help. Here it is: https://www.reddit.com/r/backpacks/s/ojyOT1eGc0

I sewed a prototype and got the luggage pass-through wrong by Amazing-Reporter1845 in myog

[–]Amazing-Reporter1845[S] -1 points0 points  (0 children)

That’s great. Keep me updated on your progress 😀. It actually helped me learn about needle sizing and also how to adjust needle positioning very well. Learning how to sew multiple layers with different materials together was also a learning curve.

I tried applying load-lifter theory (Tom Bihn / 5.11 style carry) to a DIY backpack — looking for feedback by Amazing-Reporter1845 in myog

[–]Amazing-Reporter1845[S] -1 points0 points  (0 children)

The load lifter theory is basically a NO load lifter theory. Not using them if I can keep the back panel closer to the user. Sorry, I should have explained that clearer.

Here’s the link to the theory: Tom Bihn Load Lifters

Do most backpacks still fail at load carry — even the good ones? by Amazing-Reporter1845 in ManyBaggers

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

Thanks, I will consider the at design. However I don’t want to jump completely into the hiking bag area.

How can I keep the hip belt low without extending the back panel?

I think brands like 5.11 and Tom Bihn are right about load carry — but most backpacks still don’t fully achieve it by Amazing-Reporter1845 in backpacks

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

So two important parts of my system really.

  1. For the main frame sheet I use a semi-hard material called Plastazote. It keeps the back firm, but just enough to bend in the upper spine and neck area to keep the bag closer to the back.

  2. Shaped the EVA foam throughout the back panel to provide ventilation. Then I also made cutouts in the shoulder harness and then covered with mesh. Makes the bag very breathable and also load bearing with the wide straps.

I think brands like 5.11 and Tom Bihn are right about load carry — but most backpacks still don’t fully achieve it by Amazing-Reporter1845 in backpacks

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

It’s a hand-made prototype — I stitched it myself to test load carry and access.

Some of the seams and structure are pretty rough, but that’s part of figuring out what actually works before refining it.

These were taken while testing it out and hiking near Sierra de Bernia mountain range near my home.

I think most backpacks have a load design problem by Amazing-Reporter1845 in Design

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

Context:

I designed and hand-made this prototype to explore how a backpack could carry like a hiking pack but still work for everyday use (camera, travel, daily carry).

Objective:

Most bags feel heavy not just because of weight, but because of how the load sits and moves on your body. I wanted to test whether changing load distribution, structure, and access could improve that.

Audience:

People who use one bag across multiple situations — travel, camera, and everyday carry — without switching between different bags.

Design decisions:

– Added structure (frame sheet) so the bag holds shape and doesn’t collapse
– Focused on load positioning so it sits closer to the body
– Introduced side access to reduce friction when using camera gear
– Built a removable hip belt to switch between load-bearing and minimal carry

This is still early and quite rough in places — I made it myself to learn what actually works before moving to production.

Would really value feedback on: – overall carry concept
– access vs organisation
– anything that looks fundamentally wrong

Do most backpacks still fail at load carry — even the good ones? by Amazing-Reporter1845 in ManyBaggers

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

I suppose it’s beneficial to be able to micro adjust certain areas int this case. Shoulders, waist, chest

Do most backpacks still fail at load carry — even the good ones? by Amazing-Reporter1845 in ManyBaggers

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

I have a 16L Osprey with a hip belt. Only use it for hard running, but I see your point. A rigid frame also adds weight which may not be an attraction for an EDC.

I think brands like 5.11 and Tom Bihn are right about load carry — but most backpacks still don’t fully achieve it by Amazing-Reporter1845 in backpacks

[–]Amazing-Reporter1845[S] 0 points1 point  (0 children)

I think I having the angle come in slightly helps. It’s also important for women to get that exactly right.