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Bolsters advice 567

Full Member Posts: 128
Bolsters advice
« on: June 08, 2019, 09:52:28 PM »
The next major sak mod I'm planning is hopefully going to have a set of brass bolsters.

To that end I thought this thread could be dedicated to giving general advice for making/installing bolsters on sak mods...

I do have a couple of specific questions though  :think:

What's the best type of solder and technique for soldering brass bolsters to brass liners? Would normal solder for plumbing be good enough or better with silver solder?

When drilling pivot holes through the bolster should I counter sink them slightly (similar to the collars on 91mm SAKs) to aid with peening and security or is a straight hole plenty good enough?

Any other advice welcome and appreciated!!

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Craggus2000

"If it ain't broke, break it and make it better!
Full Member Posts: 128
Re: Bolsters advice
« Reply #1 on: June 10, 2019, 11:48:23 PM »
Anybody?

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Craggus2000

"If it ain't broke, break it and make it better!
Admin Team Zombie Apprentice Posts: 18,913 mmmmm SAKrelicious
Re: Bolsters advice
« Reply #2 on: June 11, 2019, 10:17:23 AM »
Your question is directed to a tiny subsection of the modding community craggus  :D I hope there's an answer on its way for you but very few people have attempted this particular mod .

I can't wait to see what you do  :cheers:

'Use the force Harry' - Gandalf

'Derail a thread and we'll come at you like a block of cheese'. Captain Mags and Sergeant Fuzzbucket of the Anti Derai.... mmmmmmm cheese
Zombie Apprentice Posts: 17,010 I'm not a pessimist, I'm an experienced optimist!
Re: Bolsters advice
« Reply #3 on: June 11, 2019, 10:26:51 AM »
I've planned on doing something similar, but haven't started yet, as life issues keep getting in the way.

I'll be aiming to get the scale tools in to, and won't be soldering, in case the solder finds its way into the voids, and buggering up the use of scale tools. Traditionally, the holes for the pivots were drilled with tapered bits, so when peening, there was no risk of pull through. I think countersinking them might work, but I'd be tempted to try counterboring with the next drill size, for a little less extreme step.



The cantankerous but occasionally useful member, formally known as 50ft-trad
Full Member Posts: 128
Re: Bolsters advice
« Reply #4 on: June 11, 2019, 04:32:18 PM »
Your question is directed to a tiny subsection of the modding community craggus  :D I hope there's an answer on its way for you but very few people have attempted this particular mod .

I can't wait to see what you do  :cheers:

True, I should have realised that. Wasn't meant to sound impatient! I'll wait and see...

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Craggus2000

"If it ain't broke, break it and make it better!
Full Member Posts: 128
Re: Bolsters advice
« Reply #5 on: June 11, 2019, 04:33:41 PM »
Traditionally, the holes for the pivots were drilled with tapered bits, so when peening, there was no risk of pull through. I think countersinking them might work, but I'd be tempted to try counterboring with the next drill size, for a little less extreme step.
Good point, counterboring sounds like a good idea  :)

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Craggus2000

"If it ain't broke, break it and make it better!
Sr. Member Posts: 389
Re: Bolsters advice
« Reply #6 on: June 11, 2019, 06:13:10 PM »
Did you see this thread, a few below yours? https://forum.multitool.org/index.php?topic=55599.0
Full Member Posts: 128
Re: Bolsters advice
« Reply #7 on: June 11, 2019, 08:02:07 PM »
Yep, it was partly that thread that influenced some of my ideas  :salute:

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Craggus2000

"If it ain't broke, break it and make it better!
Zombie Apprentice Posts: 12,868
Re: Bolsters advice
« Reply #8 on: June 11, 2019, 09:46:02 PM »
I used plumbers solder when I did this knife Crag
I will be trying silver solder on other projects in the future




Everything’s adjustable
Full Member Posts: 128
Re: Bolsters advice
« Reply #9 on: June 11, 2019, 10:05:38 PM »
I used plumbers solder

How did you find it? Has the knife held up well?

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Craggus2000

"If it ain't broke, break it and make it better!
Zombie Apprentice Posts: 12,868
Re: Bolsters advice
« Reply #10 on: June 11, 2019, 10:21:51 PM »

It's not had a huge amount of use but I don't see why it would fail
after all copper pipes in a house hold up well  :tu:

Everything’s adjustable
No Life Club Posts: 1,222
Re: Bolsters advice
« Reply #11 on: June 11, 2019, 10:40:45 PM »
I have a similar mod planned and I did pick up some silver solder, mostly because I was in a store that sold it and it's not actually that expensive. I don't think it will make much difference in strength but I believe it is supposed to be less visible (thinner?).
Full Member Posts: 128
Re: Bolsters advice
« Reply #12 on: June 12, 2019, 02:32:21 PM »
I've got some silver solder arriving today, so hopefully will get some time tonight to try it out!  :drink:

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Craggus2000

"If it ain't broke, break it and make it better!
Zombie Apprentice Posts: 12,868
Re: Bolsters advice
« Reply #13 on: June 12, 2019, 09:48:15 PM »

 :popcorn:

Everything’s adjustable
Global Moderator Point Of No Return Posts: 37,833
Re: Bolsters advice
« Reply #14 on: June 12, 2019, 11:02:31 PM »
It's awesome that you were able to score such a beautiful example of Scott's work Def!  :tu:

Here is some documentation that you might want:

This is the detailed documentation that accompanied my Soldier mod: https://www.dropbox.com/s/ek1jwjycl7orc44/Old_School_Victorinox_Soldier.pdf?dl=0

This is a snapshot of his website from  the Wayback Machine: https://web.archive.org/web/20100513043649/http://knifecooperative.com/

Pics of my '05 Knifecoop Oldschool Soldier:

(Image removed from quote.)

(Image removed from quote.)

https://forum.multitool.org/index.php/topic,76781.0.html
Newbie Posts: 16
Re: Bolsters advice
« Reply #15 on: August 20, 2019, 12:32:31 PM »
Ive been working on some bolstered 58mm scales. Just used regular plumbing solder to solder the bolsters to the brass liners but one fell off as I was filing so I superglued it back temporarily and it seemed to hold up just as well as the solder did to the shaping =O!!

Knowing that Im going to pin through the bolsters anyway I was planning on leaving that one bolster glued and relying mostly on the pins. Also planning on opening the very top of the 1.6mm holes up to 2mm and sanding the pins flush afterwards so I will let you know how that goes.

Right now though I cant decide if I want to put a bolster groove in or not so its just going to sit on my desk for a while unless some of you can help me decide. Yea or nay to the bolster groove?

Zombie Apprentice Posts: 13,899 Hidalgo, Castillo del Hook
Re: Bolsters advice
« Reply #16 on: August 20, 2019, 12:36:06 PM »
I don't know about a bolster groove, but those are some fine craftsmanship! :dd: :hatsoff:

Hooked, like everyone else. ;)

All hail the hook!
Absolutely No Life Club Posts: 6,753
Re: Bolsters advice
« Reply #17 on: August 20, 2019, 01:01:54 PM »
Ive been working on some bolstered 58mm scales. Just used regular plumbing solder to solder the bolsters to the brass liners but one fell off as I was filing so I superglued it back temporarily and it seemed to hold up just as well as the solder did to the shaping =O!!

Knowing that Im going to pin through the bolsters anyway I was planning on leaving that one bolster glued and relying mostly on the pins. Also planning on opening the very top of the 1.6mm holes up to 2mm and sanding the pins flush afterwards so I will let you know how that goes.

Right now though I cant decide if I want to put a bolster groove in or not so its just going to sit on my desk for a while unless some of you can help me decide. Yea or nay to the bolster groove?

(Image removed from quote.)

Simples... you should do what pleases your eye the most.  :tu:

Excellent skills by the way!  :like:

Zombie Apprentice Posts: 12,868
Re: Bolsters advice
« Reply #18 on: August 20, 2019, 01:57:03 PM »
I don't know about a bolster groove, but those are some fine craftsmanship! :dd: :hatsoff:

+1 I'm with the Don   :salute: :salute:

Everything’s adjustable
Sr. Member Posts: 389
Re: Bolsters advice
« Reply #19 on: August 20, 2019, 06:11:23 PM »
Grooves.
Zombie Apprentice Posts: 11,424
Re: Bolsters advice
« Reply #20 on: August 20, 2019, 09:40:24 PM »
I want one of each!  :cheers:
Newbie Posts: 16
Re: Bolsters advice
« Reply #21 on: August 20, 2019, 11:34:59 PM »
Might have to make another at some point then  :P, Im out of horn tho so lets try ebony next  :o
Newbie Posts: 16
Re: Bolsters advice
« Reply #22 on: September 09, 2019, 02:32:45 PM »
Just finished up my bolstered SAK mod, you can check it out on my thread https://forum.multitool.org/index.php/topic,82530.0.html

Two of my bolsters broke off, one glued and one soldered, while I was assembling the knife however the pinning is holding everything together perfectly due to tight tolerances in the brass and horn. Also Drilling the tops of the holes out to 2mm worked perfectly with the 1.6mm brass rods

 

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