Cov pob zeb thaum ntxov yog ua los ntawm cov pob zeb hnav, tab sis los ntawm xyoo pua 17th, lawv yog hlau. Cannonballs tuaj yeem tawg tau thiab ntim nrog cov hmoov phom, lossis cov hlau nplaum uas tuaj yeem txiav ua kom tuag taus los ntawm cov tsev lossis cov tub rog nce qib.
Puas yog cov pob phom ua los ntawm pob zeb?
Ib puag ncig txhaj tshuaj (tseem hu ua khoom txhaj tshuaj lossis pob yooj yim) yog ib qho khoom siv kheej kheej yam tsis muaj nqi tawg los ntawm rab phom. … Fab Kis tej cuab yeej cuab tam yuav nrum lub tubular cannon lub cev nyob rau hauv ib thooj thiab cannonballs coj tus duab ntawm ib tug sphere pib ua los ntawm cov khoom siv pob zeb
cannonball ua los ntawm dab tsi?
Allegheny Arsenal txuas ntxiv tsim plaub hom cannonballs: Cov khoom hlau (cov khoom txhaj tshuaj), pawg lossis cov kaus poom ntawm cov hlau me me lossis cov pob txhuas (lub npe hu ua case txhaj, grapeshot lossis canister), tawg pob hlau uas muaj cov hlau lead shrapnel (cov ntaub ntawv spherical tua) thiab hollow hlau exploding npas (plhaub).
Puas yog cov phom phom ua los ntawm cov hlau lead?
Cannon projectiles tau ua los ntawm pob zeb, cam khwb cia hlau, txhuas, tooj dag, tooj liab, tooj liab thiab txawm iav. Raws li lub nplhaib ntawm Hluav Taws Xob (RoF), pob zeb lossis cam khwb cia hlau yog cov qauv; txhuas tau siv rau hauv caj npab me… Raws li cov hlau lead, raws li George Ripley tau hais (New American Cyclopaedia 1870), txhuas "yog qhov zoo heev thiab tsis tshua muaj rau cov phom loj. "
Puas yog cannonballs zoo kawg nkaus puag ncig?
Ntog yog ntawm cov phom phom yog pitted. Muaj ib pab pawg uas mus nyob ib ncig ntawm tag nrho ib ncig ntawm lub cannonball nrog striations marking saum npoo. Lub cannonball zoo kawg nkaus puag ncig thiab hnyav 19.4 phaus.