Recoil Measurement of Improvised Explosive Device Disruptors – Lightweight AB Precision Ltd. – Pigstick and Hotrod


  1. Ceh, M.
  2. Josey, T.
Corporate Authors
Defence Research and Development Canada, Suffield Research Centre, Ralston AB (CAN)
Introduction or background: Recently, new lightweight water jet disruptors manufactured by AB Precision Ltd (ABP) were purchased for the CF to aid EOD operators in defeating Improvised Explosive Devices (IED). These light weight disruptors (LWD), like their predecessors, can be mounted on Remotely Operated Vehicles (ROV) or deployed by an EOD operator on stands. Existing designs of ROV holders may be incompatible due to the anticipated increased recoil resulting from modifications of the design and material of the new disruptors. In order for new holders to be developed, the recoil force (impulse) is required for design requirement formulation. This testing was initiated and sponsored by the Director of Combat Systems Equipment Management (DCSEM). Results: Results for three different disruptors (Pigstick, Hotrod, and SBA Hotrod) were gathered for water, gel, and slug loads. The results were presented in terms of force-time and impulse-time histories for a total of six different configurations. The disruptor configuration with the highest impulse was the Hotrod with the gel load. Future plans: It is recommended that, once a prototype holder for these disruptors is manufactured, additional trials be completed to observe the holder in action. High speed video could be used to record the disruptor functioning, and load cells used to record the recoil reduction from the holder design.

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Disruptor;recoil;ROV;impulse measurement
Report Number
DRDC-RDDC-2016-R223 — Scientific Report
Date of publication
01 Nov 2016
Number of Pages
Electronic Document(PDF)

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