Forum Chasse Passion, 1er forum de chasse en France
Les forums de discussions Chasse Passion c'est plus de 30 sections pour tous les chasseurs de grand et petit gibiers, sauvaginiers, archées, veneurs...
comme le titre l'indique j'aimerai des recations sur les differences, balistique, portée, gerbe, entre un canon 66 cm, et un canon 71cm..........(sur un semi auto)
plus un canon est court,plus la vitesse d'une cartouche de chasse est ralentie,de ce fait ta gerbe a un debut d'ecartement plus tot comparee a un canon plus long
Comme je l'ai deja dit, jusqu'a present je n'ai jamais eu de 71cm, toujours chassé en 66 voir 61 en SA.
Pour la chasse que je pratique, perdreau becasse pigeon grive c'est a mes yeux l'idéal car tu tires de 10 a 30m voir 35m.
Maintenant j'aimerai un fusil en 71 pour faire de vrais coups de longueur, principalement pour le pigeon, histoire d'aller chercher au dela de ce que je tire jusqu'a présent... il parait qu'on peut les décrocher jusqu'a 45m vaec ce genre de canon Sur des passages courts, je me doute bien qu'en 71 ca ne doit pas etre l'idéal, mais les 66 seront là en renfort
A+ 8)
ps: tout comme toi, j'aimerais connaitre réellement les differences ballistiques qu'il y a entre ces 2 longeurs de canons
It is still assumed by many that the longer the shotgun barrel the farther the gun will shoot, the more effectively it will perform, and the more closely it will pattern. The facts are, however, whatever the gauge, barrel length has small effect on the velocity of the shot charge. With modern powders, the shot charge reaches maximum velocity after it has traveled a relatively short distance up the barrel bore. (So longer length of barrel does not make the pellets move faster or go farther.) Since the degree of choke controls the pattern of the shot at the target, proper barrel length is entirely a matter of desired weight, balance, and sight radius.
est aussi remington
Barrel Lengths
Contrary to some opinions, longer barrels do not shoot "harder" or "further" than shorter barrels. Barrel length is really a matter of personal preference and often depends on terrain and the type of game you are hunting. Generally, longer barrels aid in pointing and are often preferred for pass shooting waterfowl and shooting targets such as skeet, trap and sporting clays. Shorter, more compact barrels can provide faster handling and are often chosen for hunting upland birds, turkeys, deer with slugs and buckshot. Common barrel lengths include 20", 21", 23", 26", 28" and 30".
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