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Benchmade latch thing
- Thread starter Bud
- Start date
Here's a picture of the spring latch on my 49-01.
http://www.imaxx.net/~mmaenpaa/bm4901_sprltch.jpg
Go here & download a 5MB .zipped Quicktime file of how it works.
http://www.imaxx.net/~mmaenpaa/bm_4901_spring_latch.htm
Mike
http://www.imaxx.net/~mmaenpaa/bm4901_sprltch.jpg
Go here & download a 5MB .zipped Quicktime file of how it works.
http://www.imaxx.net/~mmaenpaa/bm_4901_spring_latch.htm
Mike
- Joined
- Sep 2, 2001
- Messages
- 8,276
Here's what i wrote of it when I received my 49-01's. It's about 2/3 down the thread.
http://www.bladeforums.com/forums/showthread.php?s=&threadid=176464
BTW, the jury is still out on their durability, since the 49's were collectors items and wouldn't be used as an EDC. I suspect the springs will weaken over time, but the question remains how long.
"There are positive detents milled into the receiving handle so that the spring will pulled the latch against the handle when locked in either the open or closed position."
You mean it locks itself?The end of the latch looks different on this new thing,kind of round?I am confused as to what purpose this is,what it does.I get the idea of the spring pulling the latch out of harm`s way,but the detent confuses me-I don`t `get' what it does....
You mean it locks itself?The end of the latch looks different on this new thing,kind of round?I am confused as to what purpose this is,what it does.I get the idea of the spring pulling the latch out of harm`s way,but the detent confuses me-I don`t `get' what it does....
- Joined
- Sep 2, 2001
- Messages
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The latch being round doesn't mean much, it's just a design element. The beauty is that BM cut circular grooves into the outer walls of the handle, where the latch would rest into, and with the tension provided by the spring and the tang pin, the circular latch rest within the groove and doesn't move; it's locked in place. The applies to the bali whether it's locked open or closed. Think of it as a locking groove. The spring activates when you squeeze the handles together and releasing the tension, allowing the latch to lift out of the groove (detent) and spring to the verticle position, where it stays fixed until you move it down to the handles again. You'll have to see a pic of the handle wall to fully appreciate the design.
The only way to get a BM bali with this feature is to buy the Model 49. The 49-SPL's were sold out, and now a few have found itself into the secondary market. They were orginally marketed at $800, but has command a little bit of a premium since. The 49-01 are sold out from the factory. But there are still some dealers who have ordered the 49-01 and may still have one unaccounted for. The MSRP is $600 for the 49-01, but dealers are free to set their own prices.
Kris blades only?Are we going to see this used on the other balis?Like the regular blades,or maybe with the multicolor handles[titanium?],$600 buckeroos is steep,and that crazy squiggle blade is not MY cup of tea,but I love the concept-after all,there really hasn`t been anything new with the basic Phillipino concept ever,has there?.You sound like you have some inside info,my man!Cough it up,please!
- Joined
- Oct 25, 2000
- Messages
- 1,350
Tony has the same info on these that we all do. If you look through previous posts you'll find much on the subject. And yes, there have been MANY improvements to the Filipino design. Materials are the biggest improvement. SS, Ti, Aluminum, washers, blade kicks, latchgates, etc. have all been added to the classic design. $600 is about the only way you are going to see a spring latch on a balisong though, and for now, the Kris is all they are coming in.
You're relatively new here so I'll cut you a bit of slack, but take the time to read through some old posts before asking questions, almost all questions have been asked in the past.
Oh, and do us all a favor and learn how to use the SPACE BAR, that long skinny key at the bottom of your keyboard.
It seems that every new person to the forums has an odd way of writing. Some type in all caps, some with no caps, some with no punctuation, but I can't ever remember someone not using the space bar before.
You're relatively new here so I'll cut you a bit of slack, but take the time to read through some old posts before asking questions, almost all questions have been asked in the past.
Oh, and do us all a favor and learn how to use the SPACE BAR, that long skinny key at the bottom of your keyboard.
It seems that every new person to the forums has an odd way of writing. Some type in all caps, some with no caps, some with no punctuation, but I can't ever remember someone not using the space bar before.
My dear BaliLover:
"It seems that every new person to the forums has an odd way of writing. Some type in all caps, some with no caps, some with no punctuation, but I can't ever remember someone not using the space bar before."
A sincere holiday thanks for the warm welcome,BaliLover,I needed a grammer lesson.
I don`t mean to be a jerk,but I guess it takes one to know one.
*************************************************************************
Tony,thank you for some useful stuff,at least somebody is into knives here.
"It seems that every new person to the forums has an odd way of writing. Some type in all caps, some with no caps, some with no punctuation, but I can't ever remember someone not using the space bar before."
A sincere holiday thanks for the warm welcome,BaliLover,I needed a grammer lesson.
I don`t mean to be a jerk,but I guess it takes one to know one.
*************************************************************************
Tony,thank you for some useful stuff,at least somebody is into knives here.
- Joined
- Sep 2, 2001
- Messages
- 8,276
No, that was not Balilover's intention. Since we don't know you, we can only formulate our impressions of you by what and how you post with the words you use. Grammer lesson aside, it's just good form (or common courtesy) to demonstrate that you can communicate in a restricted environment in a public forum without malice.
We all are. That's why we're in this forum. That's why we ask and answer questions; voice our opinions; and share our treasures. You be surprised at just how into bali's balilover is (if his handle alone doesn't give you a hint).
Earlier you had asked:
I have no more insider information than what has been revealed in the threads posted in the past. For a real tidbit about the latch spring, read this thread:
http://www.bladeforums.com/forums/showthread.php?s=&threadid=175260
It's all a matter of knowing how to look up information.
I store my 49-01 unlatched, to keep tension off of the spring. I haven't calculated it yet, but I don't think there's a lot of tension on the spring. I got a handful of springs from a guy I work with. So, hopefully I'll have a working model by this weekend. After I see how it works, I'll try it out on a real handle.
Mike
- Joined
- Sep 2, 2001
- Messages
- 8,276
I do too, since day one of the 49-01's.
If it helps Mike, the last readings I got with my torque wrench averaged about ~25lbs of pressure to squeeze the handles together to release the latch. So we know the springs are meeting that level of resistance.
I posted a question on the latch springs of the 49's a while back, and got no response.... Please keep us posted on your progress.
- Joined
- Oct 25, 2000
- Messages
- 1,350
Dearest Bud,
You are quite welcome for the grammar lesson and I offered the suggestion not to be a jerk, but to help you seem more intelligent in future postings. From what I can tell, it has worked. You must remember that no one can see who you are or what type of person you are through their monitors, instead you are judged based on writing style, grammar, spelling, etc.
I did not come out and call you a moron or any other insulting names, I merely pointed out problem with your writing style that made it hard/annoying to read. Your response, however, was not mature or called for. Think of me as a jerk if you wish, that is your right, but realize that if I were truly a jerk, I would have been tossed out of here long ago.
If you took my correction as an insult, I do apologize. Please remember however, the Balisong is looked down upon in the eyes of the law, and any negative attention hurts us all. There are many young teens out there who think that a Balisong is a toy and should be used to "pick up chicks" and impress friends. Most of these people type with poor grammar and lack of punctuation. These teens in turn, do something stupid and bring the Balisong back into the negative spotlight.
I'm not saying you are one of these young teens, but I'm letting you know that your writing style resembled theirs in your first few posts. You seem to have changed your style in later posts, which means you have a good chance of not being on of them.
You are quite welcome for the grammar lesson and I offered the suggestion not to be a jerk, but to help you seem more intelligent in future postings. From what I can tell, it has worked. You must remember that no one can see who you are or what type of person you are through their monitors, instead you are judged based on writing style, grammar, spelling, etc.
I did not come out and call you a moron or any other insulting names, I merely pointed out problem with your writing style that made it hard/annoying to read. Your response, however, was not mature or called for. Think of me as a jerk if you wish, that is your right, but realize that if I were truly a jerk, I would have been tossed out of here long ago.
If you took my correction as an insult, I do apologize. Please remember however, the Balisong is looked down upon in the eyes of the law, and any negative attention hurts us all. There are many young teens out there who think that a Balisong is a toy and should be used to "pick up chicks" and impress friends. Most of these people type with poor grammar and lack of punctuation. These teens in turn, do something stupid and bring the Balisong back into the negative spotlight.
I'm not saying you are one of these young teens, but I'm letting you know that your writing style resembled theirs in your first few posts. You seem to have changed your style in later posts, which means you have a good chance of not being on of them.
Ah yes,BL....you would indeed be surprised to learn who I am.But as far as young teens are concerned;
"you have a good chance of not being on of them"
I believe there are laws against being `on of them',and I am glad you recognize my wisdom in abstaining from such behavior.
I suggest you don`t get caught being `on of them' either.
I hope you have enjoyed your little grammar lesson,little one.
"you have a good chance of not being on of them"
I believe there are laws against being `on of them',and I am glad you recognize my wisdom in abstaining from such behavior.
I suggest you don`t get caught being `on of them' either.
I hope you have enjoyed your little grammar lesson,little one.
- Joined
- Sep 2, 2001
- Messages
- 8,276
Well Bud, you're certainly not leaving much for us to use. So far we've got hemp usage (and I don't think you were referring to it as a rope), poor "grammer", and a sensitivity to criticism.
You may not know Blailover, but we know him more than we know you. It's not a matter of who's right and wrong, or who's side we're taking. If Balilover made a mistake in judging you, at least he apologized. You, on the other hand, continue to make a bad case worse.
Are you also flathead37 who posted this on the Benchmade Forum? Just wondering since the grammer is similar.
Tony! How astute, you have indeed `made' me.
My apologies to any of you overly sensitive Bali fans, my intention here was to acquire some knowledge of these new cutlery technologies, and I honestly wanted some opinions from persons acquainted with the genre.
Perhaps I sacrificed `grammer' in my haste to gain knowledge.
I found myself,however, put on the defensive by the tone - real or imagined? what is the difference? - of BaliLover`s swift repartee. Perhaps I was reacting in jest to his somewhat [intentionally?] pompous snobbery?I may have misunderstood Bali`s sense of humor.I hope I am not also guilty of over-estimating it !
Surely,in the spirit of the season,we can forgive my harmlessly intended transgressions. And , if not, then we must say "Oh,well!" and go off in search of people who are more serious about knives than `grammer'.
Happy holidaze!
Lighten up,
Bud, aka Flathead37, owner of several balis, and many knives of merit...
My apologies to any of you overly sensitive Bali fans, my intention here was to acquire some knowledge of these new cutlery technologies, and I honestly wanted some opinions from persons acquainted with the genre.
Perhaps I sacrificed `grammer' in my haste to gain knowledge.
I found myself,however, put on the defensive by the tone - real or imagined? what is the difference? - of BaliLover`s swift repartee. Perhaps I was reacting in jest to his somewhat [intentionally?] pompous snobbery?I may have misunderstood Bali`s sense of humor.I hope I am not also guilty of over-estimating it !
Surely,in the spirit of the season,we can forgive my harmlessly intended transgressions. And , if not, then we must say "Oh,well!" and go off in search of people who are more serious about knives than `grammer'.
Happy holidaze!
Lighten up,
Bud, aka Flathead37, owner of several balis, and many knives of merit...
Actually, the pressure of the handles isn't stressing the spring, the latch head itself is what's holding the handles together. The spring's only load is the latch. See how the latch shares the same axis with the spring after it's released? The latch pivots on the pin and the hook in the end of the latch pulls it into alignment with the spring.
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- Sep 2, 2001
- Messages
- 8,276
You're right. The latch is absorbing the stress of the handles, and not transferring that stress to the spring, when in the locked position. Thanks for the correction. I blame the huge amount of holiday spirits recently consumed for this lapse in judgement.
In attonement, I'd yank the old fish scale out and measured the force exerted on the spring in the locked position, and found that it's less than a 1lb., 8~10oz actually.
Now is just a matter of finding out the spec's of the spring and trying to calculate it's expected life cycle.....
