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Old 03-16-2021, 09:29 PM
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AeroTech AeroTech is offline
Join Date: Dec 2009
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Default AeroTech UDDT Calibration Adapter Notice

Attention AeroTech Dealers and Consumers,

Recently we repeated an announcement about the potential need for customers to re-calibrate their AeroTech Delay Drilling Tools (DDTs) after shipping or extended use: the RDDT™ (Reload Delay Drilling Tool) for RMS™ reload kits and the UDDT™ (Universal Delay Drilling Tool) for DMS™ single-use motors. Though all DDT’s are calibrated in-house before they are sold to dealers or consumers, occasionally the drill bit will become loose or separate from the drill tool body during shipping, use or rough range box handling.

Until now, AeroTech’s calibration instructions called for the use of the RDDT tool body to calibrate both the RDDT and the UDDT, since they both use the same knob and drill bit. AeroTech had assumed that most if not all its customers also flew RMS reloads at least some of the time and therefore had the RDDT to use when calibrating the UDDT. After posting the most recent reminder announcement, a number of customers made it clear to us that they ONLY flew DMS single-use motors and did not have the RDDT needed for calibration.

Therefore, AeroTech has listened and responded to its customers’ comments and concerns and has created a new “UDDT Calibration Adapter” for use with the UDDT to eliminate dependence on the RDDT tool body for calibration. The adapter will be included with all new UDDT tools along with new instructions (shown below) that detail the proper use of the Adapter when calibrating the UDDT. There will be a small price increase for the UDDT which will bring it in-line with the price of the two (29+38mm & 54mm) RDDT tools.

In addition, AeroTech has posted an .STL file of the UDDT Calibration Adapter on the “Resources” page of its website for anyone who would like to 3D print the Adapter.

AeroTech understands that its DMS-exclusive customers may not have realized that another piece of hardware was necessary to calibrate their UDDT. For those DMS-exclusive customers, AeroTech will be happy to supply them a UDDT Calibration Adapter free of charge if they send an email to AeroTech customer service at, indicating that they ONLY fly DMS motors and that they would like a UDDT Calibration Adapter shipped to them. Please include your mailing address in the email.

Thank you for your attention to this notice.

AeroTech Customer Service Team

Questions about this post or other topics concerning AeroTech products? Please contact AeroTech via phone, fax, email or our Facebook page at:

AeroTech Consumer Aerospace
Division of RCS Rocket Motor Components, Inc.
2113 W 850 N
Cedar City, UT 84721
435-865-7100 (Ph)
435-865-7120 (Fax)
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