Chinook II Lightweight?

Joined
Jan 24, 2004
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Does anybody else think this would be a good idea? I'm sure that with the steel liners it would still be plenty strong. I think it would be great if there would be a version available in the 4 ounce range for those times that you want to "travel light".

Regards,
cds1
 
I'm not sure how you would do it. Replacing the G-10 handles with FRN might not save any weight at all. Reducing or eliminating the liners would destroy the MBC rated lock. Changing the blade thickness would make it an entirely different knife. The only thing I can think of that would lighten it without changing its desired characteristics would be to make the liners out of titanium, which would make it more expensive.
 
From where would the weight come?
I think the Chinook II weighs as little as it can and still have the strength to do the job.
I would not begrudge a lighter Chinook II, but neither would I want a less strong Chinook II.
I consider it now, as it stands, the ultimate folder; perfect in every regard.

Still, for the sake of conversation:

1) titanium alloy liners;

2) titanium alloy screws;

3) titanium alloy lock bar;

4) titanium alloy pivots and pins;

5) titanium alloy clip;

6) carbon fiber scales;

7) lightening holes in both the scales and the liners, carefully chosen, defined and placed by consulting engineers from the helicopter and bridge-building industries, with regards to load paths;

8) epoxy the scales and liners together into one structural unit; and,

9) polish the chines and bevels off of the blade so that its surface follows a constant curve in all directions.

How much weight would this remove and what would it cost?
Would the spring, pins and screws require the development of new titanium alloys (I don't know if titanium works well as a machined screw, bearing surface, or with shear loads)?

Totally guessing, given the possibility of custom metallurgy and consulting engineers, and the cost associated with that type of development, I think Sypderco could market this for $499 msrp, and New Graham would discount it at $399.
How many would Spyderco need to sell to break even?

In the world of high-performance bicycles, people pay this kind of money to remove grams of weight and add prestige.
Someone might in fact pay this kind of money for a production knife.
I wonder.

It sounds kinda nice now that I have put it into words and have a mental picture of it.
I like the deep plaid of polished carbon fiber, and the lightening holes would let me look into the guts of the knife and see the polished blade even when closed.

$399 for the world's lightest, strongest, most advanced and aesthetically beautiful folder?
Hm.
 
I'm not suggesting changing the existing Chinook II. I'm just bringing up the idea of introducing a variant, without increasing the cost, that won't have the same lock strength.

If it would be possible to produce one with plastic scales and thinner / more skeletonized steel liners, I would be interested in purchasing one, even if the lock strength would be drastically reduced. If what I have read is correct that the lock can withstand about 1,000 lbs, I would still feel quite comfortable if the strength would be reduced by 60%. I wouldn't use it to replace the 3 Chinook's that I already have, but rather as an alternative for when I want to carry something lighter.

Regards,
cds1
 
What does the present Chinook II weigh, and what target weight did cds1 have in mind?
 
The original Chinook was 7.2 oz. The Chinook II is 6 oz. I think Spyderco worked pretty hard to get that 1.2 oz. off. Other than Ti and CF, that's probably as light as it's going to get.

My question is what feature of the Chinnok II would you want to preserve in making a lightweight knife? If all you really want is a lightweight with the same blade and handle profile, maybe go all the way and make it a linerless FRN with a blade thickness on par with an Endura (about 3 oz.). The similarity with the Chinook would end at the profile, but maybe that would be enough for you.
 
Ken Cox said:
What does the present Chinook II weigh, and what target weight did cds1 have in mind?

The present Chinook II weighs 6 ounces. I was wondering if it would be reasonable to create a lightweight version weighing more like 4.5 ounces.

I had originally thought that you could shave off the1.5 ounces just by replacing the G10 scales with plastic, but from what you guys are saying it sounds like I'm wrong (unless it wan't clear what I meant by "lightweight".) Maybe it would require also thinning the liners a bit. I wouldn't want to reduce lock strength below 400 lbs or so, but I think that gives us about 600 lbs of room :) .

My daily carry would still be the normal Chinook II, but I would find a lightweight version valuable for those times that I need something a bit lighter.

Regards,
cds1
 
The liners and back spacer have had about as much removed as is possible without affecting strength.

al
 
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