Model of a fire pipe
Group F: V. Cast at Finspong 1864. This cannon, which was used as a test piece after the then newly introduced moulding method over the core with rising ingot, and constant internal cooling, was subjected to the following firing test: 300 shots á 11. kg. (27 lb) gunpowder, and 1 bullet = 68 kg (160...
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Zusammenfassung: | Group F: V.
Cast at Finspong 1864. This cannon, which was used as a test piece after the then newly introduced moulding method over the core with rising ingot, and constant internal cooling, was subjected to the following firing test: 300 shots á 11. kg. (27 lb) gunpowder, and 1 bullet = 68 kg (160 lb), 100 shots a 13.3 "(32 lb) gunpowder and 1 bullet = 68 kg (160 lb), 100 shots a 17 kg. (40 lb) gunpowder and 1 bullet = 68 kg (160 lb), and then blast firing with each shot á 17 kg. (40 lb) powder, and cylinders, the weight of which was gradually increased from 2 to 8 balls, or from 136 to 544 kg. (320 rp. 1280 lb), when the cannon finally ran in the 23rd blast shot.
Received on 1878
Grupp F:V.
Gjuten vid Finspong 1864. Denna kanon, vilken göts som försökspjäs efter den då nyinförda gjutmetoden över kärna med stigande göt, samt konstant inre avkylning, underkastades följande skjutprov, nämligen: 300 skott á 11. kg. (27 pund) krut, och 1 kula = 68 kg (160 pund), 100 skott a 13,3" (32 pund) krut och 1 kula = 68 kg (160 pund), 100 skott a 17 kg. (40 pund) krut och 1 kula = 68 kg (160 pund), samt därefter sprängskjutning med varje skott á 17 kg. (40 pund) krut, samt cylindrar, vilkas vikt successivt ökades från 2 till 8 kulors vikt, eller från 136 till 544 kg. (320 resp. 1280 pund), då kanonen slutligen sprang i 23:e sprängskottet.
Inkom den 1878(överstruket) 1881 |
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