Rocketry Planet

CEDAR CITY, Utah USA — AeroTech is releasing a new delay drilling tool for use with its line of 18-38mm RMS™ and RMS-Plus™ reloadable motors.

AeroTech announces release of RMS™ Delay Drilling Tool.

The RMS Delay Drilling Tool™ (or RDDT™, P/N T082510-1) is designed for shortening RMS and RMS-Plus delay elements to adjust the time delay of an AeroTech RMS reloadable motor. This tool is a "stand-alone" unit and replaces the Delay Drilling Adapter™ (P/N T062705-1) which is being discontinued.

The RDDT consists of a machined drill tool body and a 1/4" stub drill bit with an attached knob. The tool also has a provision for calibration, as the tip of the drill bit must be flush with the end of the tool body for accurate use. Though adjusted initially at the factory, a set screw placed within the knob makes any necessary readjustment easy.

The ends of the tool are counterbored with recesses that are labeled with 4 or 8 second reductions in the delay time. To use, the RMS or RMS-Plus delay element is placed into the desired end of the tool and held firmly in place, the drill bit is inserted and the knob is rotated clockwise until the bit is fully seated in the delay and no resistance is felt. In addition, a supplied 1/16" thick washer may be placed between the drill tool body and the drill knob to shorten the delay to an intermediate value.

As is always the case with drilled RMS delays, the delay element should be installed in the motor with the drilled end facing the propellant grains (or away from the ejection charge) for best delay accuracy. Also, no delay should be shortened to less than 4 seconds.

AeroTech is planning to eventually sell most RMS reloads in only the longest certified delay, so the RMS Delay Drilling Tool will be essential for the future use of the RMS line of products.

The suggested retail price of the RDDT is $14.99. Contact your favorite AeroTech dealer to purchase the new RMS Delay Drilling Tool.

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AeroTech Consumer Aerospace is a division of RCS Rocket Motor Components, Inc., Cedar City, UT.