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RRC2+ User Manual
Revision 1.03
Overview
The RRC2+ unit is ready to fly DD (dual deployment) duties as it comes, right out of the box, providing a drogue event at
apogee and a main event at 300 ft AGL. To change any of the altimeter settings, please refer to the Dip Switch Settings
section of this User Manual.
At apogee (highest point of the rocket flight) the RRC2+ will fire a "drogue" charge to separate the rocket airframe (if
drougeless) and/or deploy a small drogue chute to stabilize the airframe components during their free fall. Then at 300 ft. it
will fire a "main" charge to deploy your main parachute.
The RRC2+ is a "barometric" based altimeter -- it needs to sample air to take its readings and function correctly. It must be
solidly mounted in an avionics bay with vent holes in the bay to sample air pressure as the rockets travels up (ascent) and
down (descent).
The RRC2+ will "beep" out continuity before flight, telling you all connections are GO for flight; and upon landing will "beep"
out your max altitude. There is also an LED that blinks in conjunction with the beeps if hearing is a problem. By drilling a hole
in the airframe over the LED you can "SEE" continuity before and "SEE" altitude after flight. Be advised the new RRC2+ is
equipped with a LOW tone beeper for those of us with high-frequency tone loss.
As an improvement over the original RRC2 and RRC2-mini, the RRC2+ has built-in mach immunity. Regardless of how fast
your rocket is flying, you no longer need to be concerned with setting a mach delay. This guarantees no problems during
your flight if you approach or pass through Mach speeds. A full explanation is covered in the RRC3 User Manual.
Other useful things you may want to do with your RRC2+, include:
1. You can use the RRC2+ to deploy just a single parachute at apogee if you're flying single deployment.
2. Just send it along for the ride to measure altitude, doing NO deployment duties, using motor ejection for deployment.
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Summary of Contents for Missile Works RRC2+
- Page 1 RRC2+ User Manual Revision 1.03 Overview The RRC2+ unit is ready to fly DD (dual deployment) duties as it comes, right out of the box, providing a drogue event at apogee and a main event at 300 ft AGL. To change any of the altimeter settings, please refer to the Dip Switch Settings section of this User Manual.
- Page 2 These considerations are covered fully in the RRC3 User Manual. Batteries must be mounted solidly to the sled, usually via a battery box (available on the Missile Works website) or securely zip tied to the sled. If using a battery clip it is advisable to use several wraps of electrical tape around battery and clip, before securing it to the sled.
- Page 3 The RRC2+ does have built-in polarity protection to prevent damage to components should you "accidentally" connect the battery in backwards. Carelessness, “Go Fever”, loose wiring and reverse polarity are the most common problems with fliers causing damage to their units. Take your time and don't be one of them. Vent Holes Vent holes in avionics bay allow the altimeter to sample air pressure.
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Page 4: Specifications
Product Warranty Missile Works Corporation has exercised reasonable care in the design and manufacture of this product and warrants the original purchaser that the RRC2+ is free of defects and that it will operate at a satisfactory level of performance for a period of one year from the original date of purchase. - Page 5 Because the use and application of this equipment are beyond our control, the purchaser or user agrees to hold harmless Missile Works Corporation and their agents from any and all claims, demands, actions, debts, liabilities, judgments, costs, and attorney fees arising out of, claimed on account of, or in any manner predicated upon loss or damage to property of, or injuries to or the death of any and all persons arising out of the use this equipment.
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