Kara — Under SB18 Array Rigging

Flying a standalone KARA array beneath an already-flown SB18 sub array, with an optional pull-back configuration. Reference: LA-KARA-FLY-SB18-RIG-01. Follow in order — this is a sequential rigging procedure, not an independent checklist; steps depend on the ones before them.

Safety notes

M-BUMP can nominally fly up to 4 SB18 + 12 KARA enclosures (max decreases with curvature/coupling mode — verify in Soundvision).
Requires the SB18 array already flown to an M-BUMP per the separate SB18 Rigging Manual (not covered here — this guide starts once the SB18 array is already flown).

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SB18 Array Prerequisite

Confirm an SB18 vertical array is already flown to an M-BUMP per the SB18 Rigging Manual (external document) before starting.

Building Array 1

Place a full flight-case at the rigging location, remove the cover, and orient the first 3-KARA array (ARRAY#1, KARA#1-3) with its front face toward the audience. Check the inter-enclosure connections in ARRAY#1 on both sides: front connecting points open and locked by 2 R-BLP in the yellow link holes; rear connecting points with the angle arm cursor at 0° and locked by 2 R-BLP. On KARA#1, deploy the four arms on both sides: front arm rotated up, slid down, and secured with an R-BLP in the yellow link hole; rear arm slid to align the cursor with 5°, and secured with an R-BLP in the angle hole. Place a second M-BUMP at the rigging location, remove its 4 R-BLP, place it onto ARRAY#1 aligning the 4 connecting points, and secure with the 4 R-BLP — orient it so the identification plate is readable and the laser slits face the audience. Raise the SB18 array slightly higher than ARRAY#1, place ARRAY#1 beneath it, then lower the SB18 array to align its 4 connecting points with ARRAY#1's, until the bottom SB18 and the M-BUMP are in contact. Attach the 4 connecting points between the SB18 array and the M-BUMP: on each point, remove the external T-BLP from the M-BUMP, rotate the arm out, and secure it to the bottom SB18 by reinserting the T-BLP. Raise ARRAY#1 to a reachable height and remove the flight-case. With two people working simultaneously on each side, set ARRAY#1's inter-enclosure angles: grab KARA#3's back handle, remove KARA#2's rear top R-BLP, rotate KARA#2 to align the angle-arm cursor with the desired angle, secure with an R-BLP in the corresponding angle hole, then repeat for KARA#3.

Building Array 2

Place a second flight-case, remove the cover, and orient the second 3-KARA array (ARRAY#2, KARA#4-6) with its front face toward the audience. Check the inter-enclosure connections in ARRAY#2 on both sides (same check as for ARRAY#1). On KARA#4, take both front arms out on each side — remove the front top R-BLP, rotate the front arm up, and slide it down — without reinserting the R-BLP yet. Raise ARRAY#1 slightly higher than ARRAY#2's front arms and place ARRAY#2 beneath. Attach the front connecting points between ARRAY#1 and ARRAY#2: slide KARA#4's front arms up to align with KARA#3's bottom front connecting points, move KARA#3's bottom R-BLP from storage into the bottom yellow link holes, lower the array until the KARA#3/KARA#4 front corners contact, and secure KARA#4's front arms with R-BLP in the top yellow link holes. Raise the array to a reachable height and remove the flight-case. With two people working simultaneously on each side, attach the rear connecting points between ARRAY#1 and ARRAY#2: remove KARA#4's rear top R-BLP from storage, slide the angle arm to the desired angle, secure with an R-BLP, grab KARA#6's back handle to rotate ARRAY#2 and align the KARA#3/KARA#4 rear connecting points, then move KARA#3's rear bottom R-BLP into the yellow link hole. Set ARRAY#2's inter-enclosure angles by repeating the ARRAY#1 angle-setting method.

Optional Pull-back & Raising

(Optional, pull-back configuration) Attach KARA-PULLBACK to KARA#6: insert the PULLBACK studs into KARA#6's connecting points with the long studs at the back, move the 4 bottom R-BLP from storage into the bottom yellow link holes, and attach an additional motor's hook/stinger to the KARA-PULLBACK shackle (same Soundvision-dependent angle limits apply). Raise the array to the desired height and adjust the site angle. Attach two safety slings (not provided) between the M-BUMP and the main rigging structure.

Source: KARA Modular WST System, Rigging Procedures, v1.1 (L-Acoustics, distributed 2010-10-21), Section 6.2, pp.23-30.