So this may end up as one of those discussions that generates controversy, like the martial arts post from a while back. So the question is in y'alls opinion, what makes a fighting knife? I've heard varying definitions and opinions, but I'd like to know what to each of you makes a knife a fighting knife.
Definition of fighting or some may say combat knife is in my opinion very clearly distinguished from all other knifes regardless of brand or makers,all of these blades are designed first and foremost for one intention---to penetrate human tissue,to reach vital parts,to kill..... and that fastest most effective way possible,with less friction or resistance.
Thats why all these blades have common features,such as very solid, but sleak,thin construction,long enough to reach every vital part of human body...Blade length therefore to be effective must be at least 7 inches,also taking into consideration fact that enemy is dressed and wearing thick clothing,vests etc.
Typical fighting knife is designed to penetrate through human gear,tissue and flesh,predominantly by stabbing and slashing and for this purpose must always have handguard (ideally full double sided) incorporated into handle.Any knife without proper handguard can not be considered as fighting knife,due to simple fact if any hard material or bone comes into direction of stabbing motion,handguard apart of blocking function is there mainly to prevent cutting or loosing own fingers....If this happens,what will most likely follow is loosing also life in most real knife combat scenarios.
Many bushcraft and survival "specialists" are misusing such a knifes for utility and other purposes in wilderness,trying to chop or batton the wood logs etc.as a result of this misuse is their knifes will often snap in half,or chip easy,because these blades are not intendet to be used this way.Human flesh and fabrics of clothing is very different consistence than wood.
These knifes are foremost weapons to eliminate enemy vital functions and to silently kill with most effective way...Single edge is prefered,by many,because of need for possible blocks used during fight,which would not be possible with double edge...
Double edged daggers are less useful in direct fighting/combat and were designed rather for carefully planned assasinations within counterinsurgency or covert operations,where no resistance is expected and the enemy is eliminated before have a chance to react.Double edge with thin blade will easier penetrate variety of heavy combat gear,vests etc.
Many fighting knifes in new modern era are made each decade with more comprehensive materials,resulting in more durability and companies are trying to develop also multifunctional features on some of them,especially those models called combat/tactical knifes,often seem to me like inventing the wheel by adding angles to it...In relation to modern warfare and how it developed,those with experience will tell you,chances of using knife against enemy in direct fight are so slim,that are nearly non existent in reality these days.Simply because of distance and weapons used nowadays.For this reason,many of knifes are used by soldiers as utility tools anyways and are thicker and heavier than those,from the times,when they were actually used in fight as they were intended to be....
When it comes to weapons,nearly every material or substance can be turned into it,it is only a question of understanding and how different people see different things and their ability to use them against its enemy in order to survive,when it comes to attack on his/her life,from other person.Water,sand,gas,paper,metal or any other object can be easily turned into deadly weapon,so as every knife can be "fighting" knife,once we fight and have it in our disposal.
In relation to khukuries, these are considered as one of the most effective edged weapons desinged ever designed by human kind,right next to Japanese swords...Difference between fighting knife and khukury is that khukury's prkme function is foremost chopping and slashing....using its curvature,weight,size to extended momentum, velocity to enhancement of devastating effect of edge during impact.
Because of simple reason,every close quarter combat with edged weapon require speed and accuracy to succeed.Weight is the issue, the bigger weight the slower reaction is possible with every move....I am far away from any specialist with khukuries,but personally i would avoid any stabbing attempts with traditional models,if possible...unless they are modern ones with some sort of proper handguard.These blades have other obvious advantages to be used for benefit.
As khukuri most applicable for fighting are obviously lighter,faster models with enough reach towards oponent.Sirupate,Chitlange,from HI own designs,definitely Kumar Cobra...etc.