Massive Wheellock Hand Mortars

Published on April 8, 2017
Duration: 7:52

This guide details the operation of a 17th-century Wheellock Hand Mortar, emphasizing its unique wheellock ignition and historical applications for grenade launching or firework displays. Expert instruction from Ian McCollum of Forgotten Weapons highlights the device's design limitations, such as the absence of recoil management, suggesting its primary use for lighter payloads. Extreme caution is advised due to the historical nature and potential unpredictability of the firearm.

Quick Summary

Wheellock Hand Mortars, or Katzenkopf, were 17th-century devices for launching grenades or fireworks. Their wheellock ignition uses a spinning wheel against iron pyrite to create sparks. Lacking recoil management and featuring wood in the powder chamber, they were designed for lighter payloads, not heavy military ordnance.

Chapters

  1. 00:00Introduction to Hand Mortars
  2. 00:35Design and Bore Specifications
  3. 01:00Historical Military and Civilian Uses
  4. 02:18Recoil and Construction Differences
  5. 03:1117th Century Pyrotechnics
  6. 04:19Internal Bore and Pressure
  7. 04:42Wheellock Mechanism Explained
  8. 05:45Rarity and Origin
  9. 06:44Conclusion and Auction Info

Frequently Asked Questions

What are Wheellock Hand Mortars used for?

Wheellock Hand Mortars, also known as Katzenkopf, were historically used for throwing grenades, signaling between army flanks, or for civilian firework displays during royal events and processions.

How does a Wheellock mechanism work?

A Wheellock mechanism operates by clamping iron pyrite into a cock. When the trigger is pulled, a serrated steel wheel spins rapidly against the pyrite, generating sparks to ignite the firearm's powder charge.

Why were Wheellock Hand Mortars not designed for heavy military loads?

These mortars lacked significant recoil management infrastructure and had internal bores where the powder chamber ended in wood. This construction indicated they were primarily intended for lighter payloads like fireworks, not high-pressure military explosive charges.

What is the significance of the 2-inch bore on these mortars?

The massive 2-inch (51mm) bore is a key design feature, allowing for the projection of projectiles like grenades or fireworks. Its size, combined with the construction, points towards applications involving less intense explosive forces.

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